1. Which of the following is the maximum number of domains can be created on a Oracle Sun SPARC T5-2 Server. Mark for Review (1) Points 256 64 32 128 (*)
Incorrect 2. Which of the following features contribute to very good guest domain performance in Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) Highly efficient firmware-based hypervisor (*) Dynamic resource management All of above Secure live migration enabled by crypto acceleration capability in SPARC pr ocessor Hard allocation of CPU, Memory and I/O resources to guest domain (*)
Incorrect
Oracle VM Server 3 for SPARC Architecture (Answer all questions in this section) 3. Under which of the following condition, guest domains can still run without any service pause or downtime if the control domain on same server is do wn. Mark for Review (1) Points Control Domain assigns individual PCI devices to guest domains
Control Domain assigns whole PCI Root Complex to guest domains (*) Control Domain assigns virtual functions of PCI devices to guest domains Control Domain is the only service domain to provide virtual I/O services fo r guest domains
Incorrect 4. Which of the following statements about the hypervisor in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) Administrators will use LDom Manager service in primary domain to manage th e hypervisor (*) Hypervisor provides Logical Domain Channel (LDC) to enable management and I /O communication between guest domains (*) Hypervisor provides isolated resource view for each guest domain (*) Hypervisor runs virtual I/O back-end services for guest domains
Incorrect 5. Which of the following statements about Service Domain are correct. Mark for Review (1) Points (Choose all correct answers) For each virtual device in guest domain, there must be a back-end device in Service Domain (*) Service Domain will leverage LDCs in hypervisor to communicate with virtual device in guest domain (*) Control domain will always be a service domain Service Domain will provide virtual I/O services to guest domain (*)
Incorrect Oracle VM Server 3 for SPARC Architecture (Answer all questions in this section) 6. Which of the following statements about LDom manager in a Control Do main are correct. Mark for Review (1) Points (Choose all correct answers) LDom Manager manages hypervisor and guest domains on the same server (*) LDom Manager provides both XML-RPC and SNMP service interface to external m anagement tool LDom Manager at background monitors resource utilization of guest domains a nd can dynamic adjust resource in guest domains (*) LDom Manager provides terminal console for each guest domain (*)
Incorrect
Setup Oracle VM Server 3 for SPARC (Answer all questions in this section) 7. During the process unconfigure Oracle VM Server for SPARC, you execu te the command "ldm list-domain" and see the result below: NAME STATE FLAGS CONS VCPU MEMORY UTIL NORM UPTIME primary active -n-cv- UART 16 16G 0.8% 0.8% 16d 8h 13m ldg0 active -t---- 5000 16 16G 6.2% 6.2% 2h 10s ldg1 inactive ------Which o f the following commands are required to remove the domain ldg1 Mark for Rev iew (1) Points ldm stop-domain ldg1 ldm stop-domain ldg1 ldm remove-config ldg1 ldm remove-domain ldg1 (*)
Correct 8. When you are planning to upgrade a pre-existing Oracle VM Server for SPARC, which of the following components you should check. Mark for Review (1) Points (Choose all correct answers) Solaris OS release of Control Domain and Service Domain (*) Solaris OS release of Guest Domain (*) Firmware release of the server (*) ILOM release of the server
Incorrect 9. Which of the following statements are reasons that you'd better usin g latest Solaris 11 OS for control and service domain for Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) New SPARC Server like M5 can only support Solaris 11 in Control Domain (*) Solaris 10 OS is already end-of-service Future implementation changes to virtual I/O services in Service Domain wil l not be backported into Solaris 10 OS (*) Oracle VM Agent for SPARC is released only in IPS package format so that ca n only installed on Solaris 11 OS (*)
Incorrect 10. When you want to configure Control Domain on a server which is plan ned to be managed through OVM Manager, which of the following commands should be executed. Mark for Review (1) Points (Choose all correct answers)
ldm create-vsw net-dev=net0 primary-vsw0 primary ldm add-vcc port-range=5000-5100 primary-vcc0 primary (*) ldm add-spconfig ovm-initial (*) ldm create-vds primary-vds0 primary (*)
Incorrect Network Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section) 11. Which of the following statements about virtual switch in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) In a Service Domain running Solaris 11 OS, you need to configure IP setting s for virtual switch component to enable communication between Service Domain an d guest domains. A virtual switch is created automatically when a network with virtual machi ne role is defined through OVM Manager. (*) A virtual switch is a L2 soft switch component in a service domain, it enab les communications between virtual network interfaces connected to the same virt ual switch. (*) When defining a virtual switch component, you can choose to turn on inter-v net channels to enable faster communication between virtual network interfaces f rom same virtual switch. (*)
Incorrect 12. When creating a virtual network interface, you execute a command "l dm add-vnet alt-mac-addrs=auto,auto,auto vnet1 primary-vsw0 ldg0". What does the command mean Mark for Review (1) Points (Choose all correct answers) It will create three factory default MAC addresses for the virtual network interface vnet1. (*)
It will create four factory default MAC addresses for the virtual network i nterface vnet1. You can run dladm create-vnic command in a guest domain to create multiple vnics over the virtual network interface. (*) The service domain and guest domain must be running at least Solaris 11.1 O S (*)
Incorrect 13. Which of the following statements about virtual network interfaces in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) A virtual network interface will have to connect to a backend physical netw ork at runtime if it need to communicate with external resources. (*) When a virtual network interface is using a physical network interface as b ackend, it will use the same device driver as the physical interface. Virtual network interfaces are defined in guest domain's metadata and its d efinition does not depend on physical network interface on the server hardware. (*) The communication channel for virtual network interface will use logical do main channel (LDC) in hypervisor. (*)
Incorrect 14. Which of the following means can help to prevent possible MAC addre ss conflict when using Oracle VM Server 3 for SPARC in your datacenter. Mark for Review (1) Points (Choose all correct answers) MAC address for virtual network interface can be assigned automatically by LDom Manager. LDom Manager running in the control domain can detect MAC address duplicati on by sending out a multicast message periodically to the peer in the datacenter . (*)
A specific range of MAC addresses has been allocated for Oracle VM Server 3 for SPARC product. No other physical or virtual network device vendor will use MAC addresses in this range. (*) If managing Oracle VM Server 3 for SPARC with OVM Manager, OVM Manager will guarantee MAC address uniqueness by maintain a centralized MAC address pool. (* )
Incorrect 15. If a guest domain need to communicate with zones in service domain where the vnet backend resides, which of the following network element is the be st choice for virtual switch backend. Mark for Review (1) Points aggregation vlan single network interface etherstub (*)
Correct Network Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section) 16. You are facing a network performance issue with a virtual network i nterface in a guest domain. The virtual network interface is connecting to virtu al switch with a 1Gb Ethernet port as backend. The virtual switch is shared with virtual network interfaces from multiple guest domains. Which of the following method can help to increase network throughput of the guest domain. Mark for Review (1) Points (Choose all correct answers) Create additional virtual network interface from the same virtual switch an d create an IPMP group with the two virtual network interface. Create an link aggregation with additional 1Gb Ethernet port and use the ag gregation as the backend of the virtual switch. (*) Switch the virtual network interface to a newly created virtual switch with
a 1Gb Ethernet port as virtual network provider. (*) Use a 10Gb Ethernet port as the backend for the virtual switch. (*)
Incorrect
Storage Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section) 17. A physical LUN is connected to a service domain s1 and is mapped as /dev/dsk/c0t0d0. Virtual Disk Service is already created on the service domain as s1-vds. Which of the following command sequence can export the physical LUN t o two guest domains ldg1 and ldg2. Mark for Review (1) Points ldm add-vdsdev /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t 0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol 2@s1-vds ldg2 (*) ldm add-vdsdev -f /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c0t0d 0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1 -vds ldg2 ldm add-vdsdev /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t0d 0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1 -vds ldg2 ldm add-vdsdev -f /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c0t 0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol 2@s1-vds ldg2
Correct 18. Which of the following statements about Virtual Disk Service in Ora cle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) A single storage backend could be shared by multiple guest domains. (*) To provision multiple storage backends, the same number of Virtual Disk Ser vices need to be created, one for each backend.
Virtual Disk Service in service domain will be used to provision storage ba ckend to guest domain as virtual disk. (*) You can control the appearance of the storage backend in the guest domain a s full disk or disk slice. (*)
Incorrect 19. Which of the following kinds of storage backends can be presented t o a guest domain as a single-slice disk. Mark for Review (1) Points (Choose all correct answers) file (*) physical disk slice (*) DVD-ROM (*) ZFS volume (*) physical disk or LUN
Incorrect 20. If OVM Manager is to be used in Oracle VM Server 3 for SPARC deploy ment, which of the following statements about storage management are correct. Mark for Review (1) Points (Choose all correct answers) OVM Agent and storage connect plugin must be installed in control domain be fore OVM Manager can manage storage devices. (*) Storage discovery and provisioning can be done centrally through OVM Manage r. (*) Only shareable storage devices can be recognized by OVM Manager. (*) Control Domain will be the only service domain, all storage resources must be accessible from Control Domain. (*)
OVM Manager must be running otherwise storage services will stop.
Incorrect 21. Which of the following commands will present a slice of physical disk /de v/c0t0d0 in service domain primary. Mark for Review (1) Points (Choose all correct answers) ldm add-vdsdev options=slice /dev/c0t0d0s0 vol1@primary-vds (*) ldm add-vdsdev options=slice /dev/c0t0d0s2 vol1@primary-vds (*) ldm add-vdsdev /dev/c0t0d0s0 vol1@primary-vds (*) ldm add-vdsdev /dev/c0t0d0s2 vol1@primary-vds
Incorrect
Guest VM Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section) 22. In preparation phase of p2v migration, a "ldmp2v prepare -b files p /myRepo/domains -d /net/ldom/p2v_stage/myServer -m /:16G myDomain" command is successfully executed. Which of the following implications are correct. Mark for Review (1) Points (Choose all correct answers) The root file system will be resized to 16GB. (*) The name for virtual disk files will be from disk0 to diskN (Value of N dep ends on number of disks on physical server). (*) The allocated CPU core count and memory capacity for the domain will be the same as physical server. The virtual disk files will be stored in folder /myRepo/domains/myDomain. ( *)
Incorrect 23. Two virtual disks, virtual_disk and virtual_cd, have been assigned orderly to a guest domain ldg1. Backend for those two virtual disks are a ZFS vo lume and an ISO image file respectively. Which of the following operations can f irst install OS from virtual_cd then reboot from virtual_disk when installation completes. Mark for Review (1) Points In ok prompt of guest domain console execute "setenv boot-device=virtual_cd" then "reset" In ok prompt of guest domain console execute "boot cdrom" In ok prompt of guest domain console execute "boot virtual_cd:f" (*) In control domain execute "ldm set-variable boot-device=virtual_cd ldg1" the n restart the guest domain
Incorrect 24. When you want to create a domain ldg1, the command "ldm set-vcpu 64 ldg1" and "ldm set-mem 64g ldg1" run successfully. However when you execute "ld m bind ldg1" the command failed with some error messages. Which of the following could be possible reasons. Mark for Review (1) Points (Choose all correct answers) There is not any unused port from virtual console service and you do not cr eate a console group which includes the domain either. (*) The physical memory on the bare-metal server is less than 64GB. (*) You do not assign a virtual disk to the guest domain yet. Whole core constraint is configured for the domain ldg1. There is not enough CPU resource available on the physical server. (*)
Incorrect 25. When you want to access virtual console of a guest domain ldg1, whi ch of the following commands can help you know the allocated virtual console por
t of the domain. (1) Points
Mark for Review
(Choose all correct answers) ldm list-constraints ldg1 ldm list-domain ldg1 (*) ldm list-bindings ldg1 (*) ldm list-services ldg1
Incorrect 26. Which of the following statements about OpenBoot PROM (OBP) for guest dom ain are correct. Mark for Review (1) Points (Choose all correct answers) Each domain will load a separated copy of OBP image into memory when it is booting. (*) OBP will recognize virtual devices attaching to the domain. (*) Each domain will maintain its own OBP variables, those variables will be st ored persistently in system controller. (*) Multiple copies of OBP image are stored in system firmware, one for each do main.
Incorrect 27. Compared to a software-based hypervisor, which of the following fac tors can contribute performance advantage of Oracle VM Server 3 for SPARC. M ark for Review (1) Points (Choose all correct answers) CPU and memory resources in each domain are totally isolated. CPU and memor y consumption in one domain will not impact other domains. (*) Solaris OS running in a guest domain is hypervisor awared so that can work
together to achieve higher performance. (*) Hypervisor in Oracle VM Server 3 for SPARC will optimize memory layout by a llocating memory close to CPU cores in each domain. (*) Hypervisor in Oracle VM Server 3 for SPARC implements a much better schedul er to allocate CPU resources for each domain at runtime more efficiently.
Incorrect 28. Which of the following command you will use in preparation phase of p2v migration if you want to add additional disk in the generated guest domain. Mark for Review (1) Points ldmp2v prepare -M ldmp2v prepare -C ldmp2v prepare -R (*) ldmp2v prepare -B
Incorrect 29. In collection phase of p2v migration, a "ldmp2v collect -x /export/ tmp -d /net/ldom/p2v_stage/myServer" command is successfully executed. Which of the following implications are correct. Mark for Review (1) Points (Choose all correct answers) All mounted file systems excluding /export/tmp will be generated in the arc hive. The command is executed in physical server you want to migrate. (*) It will use Flash tool to generate archive for physical server. (*) The archive will be stored in the folder /net/ldom/p2v_stage/myServer. (*)
Incorrect
I/O Virtualization in Oracle VM Server 3 for SPARC (Answer all questions in this section) 30. You have already known PCI device name for a network interface in a root domain (root1), which of the following operations can help to know pseudo name of the device. Mark for Review (1) Points (Choose all correct answers) In control domain, execute "ldm list-bindings root1" (*) In control domain, execute "ldm list-io -l" (*) In root domain, execute "prtconf" In root domain, execute "prtdiag" (*)
Incorrect I/O Virtualization in Oracle VM Server 3 for SPARC (Answer all questions in this section) 31. Which of the following statements about Root Domain in Oracle VM Se rver 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) A service domain must also be a root domain. A root domain can run at 100% native performance. (*) Number of root domains can be created on a server is hardware dependent. (* ) A root domain can run independently to other domains on the same physical s erver. (*)
Incorrect 32. To add a PCI root complex (pci_2) from primary to a running guest d omain root1, you will run following commands in control domain. Please select co
rrect sequences of those commands. 1. ldm start-reconf primary2. ldm remove-io p ci_23. ldm add-io pci_24. ldm stop-domain root15. shutdown -i6 -i -g06. ldm star t-domain root17. ldm add-config root-domain1 Mark for Review (1) Points 1,2,7,5,4,3,6 (*) 1,2,5,7,3,4,6 1,2,4,3,5,6,7 1,2,3,4,5,6,7
Correct 33. When you want to create a virtual function in a root domain you exe cute a command "ldm create-vf mtu=9000 /SYS/MB/NET0/IOVNET.PF0". However the com mand fails with some error messages. Which of the following could be possible re asons. Mark for Review (1) Points (Choose all correct answers) "mtu" parameter in the command exceeds Max allowed value of the device. (*)
Solaris OS running in root domain or firmware on the physical server does n ot support creating virtual function dynamically. (*) "iov" property of the PCI root complex which the device is located is set t o off. (*) The physical device is used by the root domain. There is no free virtual functions in the PCI device. (*)
Incorrect
Guest VM Management in Oracle VM Server 3 for SPARC (Answer all questions in this section) 34. Someone worked out a plan to configure hard partition using only 4 CPU cores for a running guest domain (ldg1). Please help to fix mistakes in the
following command sequence in their plan. 1. ldm stop ldg12. ldm set-core 4 ldg1 3. ldm start ldg1 Mark for Review (1) Points (Choose all correct answers) Add "ldm bind ldg1" before command 3 (*) Add "ldm start-reconf ldg1" before command 1 Add "ldm unbind ldg1; ldm bind ldg1" before command 3 Add "ldm set-domain max-cores=4 ldg1" after command 2 (*) Add "ldm unbind ldg1" after command 1 (*)
Incorrect 35. To migrate a domain ldg1 from server 1 to server 2 you execute a co mmand "ldm migrate-domain ldg1 root@server2:ldg2" in server1. Which of the follo wing operations can help you monitor the migration status. Mark for Review (1) Points (Choose all correct answers) In server 1 execute "ldm list-domain -o status ldg1" (*) In server 2 execute "ldm list-domain -o status ldg1" In server 1 execute "ldm list-domain -o status ldg2" In server 2 execute "ldm list-domain -o status ldg2" (*)
Incorrect Guest VM Management in Oracle VM Server 3 for SPARC (Answer all questions in this section) 36. If you want to configure a DRM policy which starts at 8:00pm and en ds at 8:00am to manage CPU resource for one of your domain ldg1 dynamically. If CPU utilization is lower than 30%, CPU resources can be released from the domain , 1 thread each time. However the lowest thread number for the domain must be 8. If CPU utilization is higher than 60%, CPU resources can be allocated to the do main without limit, 2 threads each time. Which of the following commands can hel p to create the policy. Mark for Review (1) Points
ldm add-policy tod-begin=08:00pm tod-end=08:00am util-lower=30 util-higher=6 0 attack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 ldm add-policy tod-begin=08:00pm tod-end=08:00am util-lower=30 util-higher=6 0 attack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 at tack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 (*) ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 at tack=1 decay=2 vcpu-min=8 name=myPolicy ldg1
Incorrect 37. Under which of the following situations, it is safe to use dynamic reconfiguration on a domain. Mark for Review (1) Points (Choose all correct answers) Reduce CPU core count of a guest domain while whole-core constraint is appl ied. (*) Add a virtual network interface to a guest domain. (*) Set max-cores constraint for a guest domain. Remove a virtual disk for root file system of a guest domain.
Correct 38. Which of the following commands can be used to list CPU constraints configuration of a domain. Mark for Review (1) Points ldm list -o domain ldm list -o resmgmt (*) ldm list -o status
ldm list -o cpu
Incorrect 39. A new T4-4 server (4 T4 CPU and 1TB of memory) running OVM SPARC 3 is deployed in your datacenter. Supposed the guest OS are supported by OVM SPARC 3, Which of the following guest domains can be live migrated to the new server. Mark for Review (1) Points A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configu ration: 4 cores (cpu-arch=generic), 16GB memory, 2 virtual disks from physcial L UN, 1 virtual NIC. (*) A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configu ration: 4 cores (cpu-arch=native), 16GB memory, 2 virtual disks from file in NFS share, 1 virtual NIC. None of above domain can be live migrated. A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configura tion: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from zvol backend, 1 virtual NIC. A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configura tion: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from physcial LUN, 1 NIC from virtual function of a physical NIC.
Correct 40. A configuration file was generated using "ldm list-constraints -x l dg1 > ldg1.xml" command, which of the following command can be used to restore t he domain configuration. Mark for Review (1) Points (Choose all correct answers) ldm init-system -r -i ldg1.xml (*) ldm add-config -r ldg1.xml ldm set-domain -i ldg1.xml ldm add-domain -i ldg1.xml (*)
Incorrect Guest VM Management in Oracle VM Server 3 for SPARC (Answer all questions in this section) 41. You plan to migrate a domain from an aged T3-2 server to a new T4-2 server. T3-2 server is running OVM SPARC 2.2 while T4-2 is running OVM SPARC 3. The domain is running Solaris 10U2, configured with 8 cores, 48GB memory, 2 vir tual disks and 2 virtual networks. T4-2 server has enough free CPU cores but onl y 40GB memory. Which of the following actions are helpful to make migration succ essful. Mark for Review (1) Points (Choose all correct answers) On T4-2 server, create virtual disk devices with same name and same storage backend. (*) Update the T3-2 server with latest firmware. On T4-2 server, create virtual I/O services with same name as source server . (*) Patch the guest domain OS with latest Solaris 10 recommended patch bundle. (*) On T4-2 server, execute "ldm stop-domain" to stop some domains.
Incorrect 42. If a command "ldm set-core cid=0,1,2,3 ldg1" is executed successful ly, which of the following implications are correct. Mark for Review (1) Points (Choose all correct answers) Live migration of the domain is not allowed. You can not add or remove CPU resource dynamically for the domain. (*) You must also configure physical memory binding for the domain. The domain will use first four cores from the physical server. (*)
Incorrect
Oracle VM Manager Integration (Answer all questions in this section) 43. Which of the following statements about OVM Manager are correct. Mark for Review (1) Points (Choose all correct answers) OVM Manager will setup direct management channel to all managed resources. OVM Manager is a centralized management solution to Oracle VM deployment. M ost of the management jobs can be done at a single place. (*) OVM Manager provides different interfaces to access its management services . All interfaces will have identical functions. (*) OVM Manager provides multi-hypervior support which includes Oracle VM Serve r for x86 and Oracle VM Server for SPARC. (*)
Incorrect 44. If you want to install OVM Agent for SPARC to enable management thr ough OVM Manager, which of the following requirements must meet. Mark for Re view (1) Points (Choose all correct answers) Control domain must be running Solaris 11.1 (*) Password for OVM agent for servers in a server pool should be identical. (* ) No other domain is configured on the server. (*) A default initial configuration is required but no need to create any virtu al I/O service since those can be configured through OVM Manager later.
Incorrect
45. Which of the following statements about OVM Repository are correct. Mark for Review (1) Points (Choose all correct answers) A repository stores guest domain resources such as templates, virtual disk files and ISO image files. (*) A repository has standard directory architecture to store different types o f resource object. (*) Each repository must be owned by a single OVM Manager instance. (*) A repository must be presented to all servers in a server pool. Every resource objects in the repository must be identified by a unique ide ntifier. (*)
Incorrect 46. Which of the following statements about differences between Oracle generi c plugin and vendor plugins are correct. Mark for Review (1) Points (Choose all correct answers) Oracle generic plugin only uses OS-specific CLI to manage storage devices w hile vendor plugins will normally use dedicated management channel on the device . (*) Oracle generic plugin only supports NFS server and iSCSI storage while vend or plugin can support more devices. (*) Oracle generic plugin only supports storage element discovery while vendor plugin can support more features. (*) Using vendor plugin can provide better performance while accessing data ser vice than Oracle generic plugin. Using Oracle generic plugin in OVM Manager is called unmanaged mode while u sing vendor plugin is called managed mode.
Incorrect
47. Which of the following statements about storage connect framework a re correct. Mark for Review (1) Points (Choose all correct answers) All storage connect plugins must implement all features defined in the inte rface. Not only Oracle any storage vendor can implement the plugin for their produ cts. (*) It defines plugin interfaces to support managing Disk Array and File Server devices. (*) It is a framework that enables storage device management capabilities direc tly in OVM Manager. (*)
Incorrect 48. Which of the following statements about master server in a server p ool are correct. Mark for Review (1) Points (Choose all correct answers) Any server can be the master server, you can switch master server role to a nother server in the pool. (*) Master server failover is not available in an OVM SPARC server pool. (*) Master server listening IP address can be any that is able to access contro l domain management network interface. Master server will be the only contact point for OVM Manager after s server pool is created. (*)
Incorrect 49. Which of the following statements about OVM Agent for SPARC are cor rect. Mark for Review (1) Points (Choose all correct answers)
OVM Agent for SPARC will need to be installed on control domain of each Ora cle VM Server 3 for SPARC. (*) OVM Agent for SPARC will wrap LDom manager services through accessing "ldm" CLI interface. OVM Agent will open management capabilities to OVM Manager through a XML/RP C service interface. (*) OVM Agent for SPARC intergrates all management functions through a common f ramework. (*)
Incorrect
High Availability in Oracle VM Server 3 for SPARC (Answer all questions in this section) 50. If you deploy Solaris Cluster and data service for OVM SPARC, which of the following failure conditions can be protected. Mark for Review (1) Points (Choose all correct answers) Hypervisor failure (*) Server hardware failure (*) Guest Domain OS failure (*) Application failure in a guest domain
Incorrect 1. Which of the following management tool can manage full stack of Oracle pro ducts from hardware, hypervisor to OS and applications. Mark for Review (1) Points Oracle VM Manager Oracle Enterprise Manager 12c Cloud Control (*) LDom Manager
Oracle Enterprise Manager 12c Ops Center
Correct 2. Which of the following are rapid application deployment solutions in Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) Reference Image Golden Image Template (*) Assembly (*)
Incorrect
Oracle VM Server 3 for SPARC Architecture (Answer all questions in this section) 3. Which component in control domain provides a text-based console for each active domain. Mark for Review (1) Points LDom p2v tools LDom MIB LDom Manager Virtual Network Terminal Server (*)
Incorrect 4. Which of the following statements about the hypervisor in Oracle VM Server 3 for SPARC are correct. Mark for Review
(1) Points (Choose all correct answers) Hypervisor provides isolated resource view for each guest domain (*) Hypervisor runs virtual I/O back-end services for guest domains Hypervisor provides Logical Domain Channel (LDC) to enable management and I /O communication between guest domains (*) Administrators will use LDom Manager service in primary domain to manage th e hypervisor (*)
Correct 5. Without which of the following software components Oracle VM Server 3 for SPARC can not properly run. Mark for Review (1) Points (Choose all correct answers) LDom manager (*) Proper version of Solaris OS kernel and driver (*) LDom MIB Firmware in a sun4v architecture SPARC Server (*)
Correct 6. Which of the following statements about Service Domain are correct. rk for Review (1) Points
Ma
(Choose all correct answers) Service Domain will provide virtual I/O services to guest domain (*) Service Domain will leverage LDCs in hypervisor to communicate with virtual device in guest domain (*) For each virtual device in guest domain, there must be a back-end device in
Service Domain (*) Control domain will always be a service domain
Correct
Setup Oracle VM Server 3 for SPARC (Answer all questions in this section) 7. When you want to configure Control Domain on a server which is plann ed to be managed through OVM Manager, which of the following commands should be executed. Mark for Review (1) Points (Choose all correct answers) ldm create-vsw net-dev=net0 primary-vsw0 primary ldm add-vcc port-range=5000-5100 primary-vcc0 primary (*) ldm create-vds primary-vds0 primary (*) ldm add-spconfig ovm-initial (*)
Correct 8. Which of the following statements are reasons that you'd better usin g latest Solaris 11 OS for control and service domain for Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) New SPARC Server like M5 can only support Solaris 11 in Control Domain (*) Oracle VM Agent for SPARC is released only in IPS package format so that ca n only installed on Solaris 11 OS (*) Future implementation changes to virtual I/O services in Service Domain wil l not be backported into Solaris 10 OS (*) Solaris 10 OS is already end-of-service
Correct 9. Following are some commands that you should run when initially confi gure the Control Domain, please choose the correct sequence of those commands. 1 . ldm set-core 2 primary2. ldm set-mem 8g primary3. ldm start-reconf4. ldm add-s pconfig initial5. shutdown -i6 -y -g0 Mark for Review (1) Points 1,3,2,4,5 (*) 1,2,3,4,5 4,3,1,2,5 3,4,1,2,5
Correct 10. When you are planning to upgrade a pre-existing Oracle VM Server fo r SPARC, which of the following components you should check. Mark for Review (1) Points (Choose all correct answers) ILOM release of the server Solaris OS release of Control Domain and Service Domain (*) Solaris OS release of Guest Domain (*) Firmware release of the server (*)
Correct 11. If a guest domain need to communicate with zones in service domain where the vnet backend resides, which of the following network element is the best cho ice for virtual switch backend. Mark for Review (1) Points etherstub (*)
vlan single network interface aggregation
Correct 12. Which of the following statements about data links in Oracle VM Ser ver 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) Data links will only use physical network interfaces and be implemented wit h native Solaris OS network elements. A virtual network interface in a guest domain must use a specific data link as backend. (*) Data links defined in a server must be configured with either static or dyn amic allocated IP settings. Data links should be defined in each individual server. (*)
Incorrect 13. Which of the following network elements in Solaris 11 can be used f or network back-end of virtual switch in a service domain. Mark for Review (1) Points (Choose all correct answers) aggregation (*) vlan (*) single network interface (*) etherstub (*) IPMP group
Incorrect 14. When creating a virtual network interface, you execute a command "l dm add-vnet alt-mac-addrs=auto,auto,auto vnet1 primary-vsw0 ldg0". What does the command mean Mark for Review (1) Points (Choose all correct answers) It will create four factory default MAC addresses for the virtual network i nterface vnet1. You can run dladm create-vnic command in a guest domain to create multiple vnics over the virtual network interface. (*) The service domain and guest domain must be running at least Solaris 11.1 O S (*) It will create three factory default MAC addresses for the virtual network interface vnet1. (*)
Correct 15. You are facing a network performance issue with a virtual network i nterface in a guest domain. The virtual network interface is connecting to virtu al switch with a 1Gb Ethernet port as backend. The virtual switch is shared with virtual network interfaces from multiple guest domains. Which of the following method can help to increase network throughput of the guest domain. Mark for Review (1) Points (Choose all correct answers) Create additional virtual network interface from the same virtual switch an d create an IPMP group with the two virtual network interface. Create an link aggregation with additional 1Gb Ethernet port and use the ag gregation as the backend of the virtual switch. (*) Switch the virtual network interface to a newly created virtual switch with a 1Gb Ethernet port as virtual network provider. (*) Use a 10Gb Ethernet port as the backend for the virtual switch. (*)
Correct 16. Which of the following statements about virtual switch in Oracle VM Serve r 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) A virtual switch is a L2 soft switch component in a service domain, it enab les communications between virtual network interfaces connected to the same virt ual switch. (*) A virtual switch is created automatically when a network with virtual machi ne role is defined through OVM Manager. (*) When defining a virtual switch component, you can choose to turn on inter-v net channels to enable faster communication between virtual network interfaces f rom same virtual switch. (*) In a Service Domain running Solaris 11 OS, you need to configure IP setting s for virtual switch component to enable communication between Service Domain an d guest domains.
Correct
Storage Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section) 17. If OVM Manager is not to be used in Oracle VM Server 3 for SPARC de ployment, which of the following statements about storage management are correct . Mark for Review (1) Points (Choose all correct answers) Storage discovery and provisioning have to be done server by server. (*) Only OS-specific software components are required to access and manage conn ected storage resources. (*) Multiple service domains can be created to provide virtual storage services . (*) Any supported storage type, both local and shareable, can be used for stora ge backend. (*)
Incorrect 18. If OVM Manager is to be used in Oracle VM Server 3 for SPARC deploy ment, which of the following statements about storage management are correct. Mark for Review (1) Points (Choose all correct answers) Only shareable storage devices can be recognized by OVM Manager. (*) OVM Agent and storage connect plugin must be installed in control domain be fore OVM Manager can manage storage devices. (*) OVM Manager must be running otherwise storage services will stop. Control Domain will be the only service domain, all storage resources must be accessible from Control Domain. (*) Storage discovery and provisioning can be done centrally through OVM Manage r. (*)
Correct 19. Which of the following statements about Virtual Disk Service in Ora cle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) A single storage backend could be shared by multiple guest domains. (*) Virtual Disk Service in service domain will be used to provision storage ba ckend to guest domain as virtual disk. (*) You can control the appearance of the storage backend in the guest domain a s full disk or disk slice. (*) To provision multiple storage backends, the same number of Virtual Disk Ser vices need to be created, one for each backend.
Correct
20. A physical LUN is connected to a service domain s1 and is mapped as /dev/dsk/c0t0d0. Virtual Disk Service is already created on the service domain as s1-vds. Which of the following command sequence can export the physical LUN t o two guest domains ldg1 and ldg2. Mark for Review (1) Points ldm add-vdsdev /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t0d 0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1 -vds ldg2 ldm add-vdsdev -f /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c0t 0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol 2@s1-vds ldg2 ldm add-vdsdev -f /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c0t0d 0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1 -vds ldg2 ldm add-vdsdev /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t 0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol 2@s1-vds ldg2 (*)
Correct 21. Which of the following storage elemens can be used to create a virtual st orage device in Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) An ISO image file on a HTTP server A ZFS volume (*) A FC LUN on a SAN Storage (*) A file in local UFS file system (*) A partition of a local hard drive (*)
Correct
Guest VM Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section)
22. Which of the following statements about OpenBoot PROM (OBP) for gue st domain are correct. Mark for Review (1) Points (Choose all correct answers) Multiple copies of OBP image are stored in system firmware, one for each do main. Each domain will load a separated copy of OBP image into memory when it is booting. (*) OBP will recognize virtual devices attaching to the domain. (*) Each domain will maintain its own OBP variables, those variables will be st ored persistently in system controller. (*)
Correct 23. When you want to create a domain ldg1, the command "ldm set-vcpu 64 ldg1" and "ldm set-mem 64g ldg1" run successfully. However when you execute "ld m bind ldg1" the command failed with some error messages. Which of the following could be possible reasons. Mark for Review (1) Points (Choose all correct answers) There is not any unused port from virtual console service and you do not cr eate a console group which includes the domain either. (*) The physical memory on the bare-metal server is less than 64GB. (*) You do not assign a virtual disk to the guest domain yet. There is not enough CPU resource available on the physical server. (*) Whole core constraint is configured for the domain ldg1.
Correct 24. Compared to a software-based hypervisor, which of the following fac tors can contribute performance advantage of Oracle VM Server 3 for SPARC. M ark for Review (1) Points
(Choose all correct answers) Hypervisor in Oracle VM Server 3 for SPARC will optimize memory layout by a llocating memory close to CPU cores in each domain. (*) Hypervisor in Oracle VM Server 3 for SPARC implements a much better schedul er to allocate CPU resources for each domain at runtime more efficiently. Solaris OS running in a guest domain is hypervisor awared so that can work together to achieve higher performance. (*) CPU and memory resources in each domain are totally isolated. CPU and memor y consumption in one domain will not impact other domains. (*)
Correct 25. When you want to access virtual console of a guest domain ldg1, whi ch of the following commands can help you know the allocated virtual console por t of the domain. Mark for Review (1) Points (Choose all correct answers) ldm list-domain ldg1 (*) ldm list-constraints ldg1 ldm list-services ldg1 ldm list-bindings ldg1 (*)
Correct 26. Which of the following statements about CPU and memory virtualization in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) It is possible to move CPU and memory resources from one domain to another when both domains are running. (*) CPU and memory resources for each domain are hard allocated at bind time. ( *)
You can request more CPU and memory for a guest domain than that is availab le on the physical server. CPU and memory resources are virtualized and provisioned to each domain by hypervisor. (*)
Incorrect 27. In preparation phase of p2v migration, a "ldmp2v prepare -b files p /myRepo/domains -d /net/ldom/p2v_stage/myServer -m /:16G myDomain" command is successfully executed. Which of the following implications are correct. Mark for Review (1) Points (Choose all correct answers) The virtual disk files will be stored in folder /myRepo/domains/myDomain. ( *) The name for virtual disk files will be from disk0 to diskN (Value of N dep ends on number of disks on physical server). (*) The allocated CPU core count and memory capacity for the domain will be the same as physical server. The root file system will be resized to 16GB. (*)
Correct 28. In conversion phase of p2v migration, a "ldmp2v convert -n vnet0 -d /p2v/myDomain myDomain" command is successfully executed. Which of the followin g implications are correct. Mark for Review (1) Points (Choose all correct answers) The network install server must be in same subnet as vnet0 of the domain. ( *) The /p2v/myDomain folder is where the virtual disk files for the domain are stored. A network install process will be used to upgrade the Solaris OS in the dom ain. (*)
You must run a "add_install_client" command in the network install server t o configure for the domain. (*)
Incorrect 29. Which of the following system components of guest domain need to be virtualized by the hypervisor on a SPARC T5-2 server. Mark for Review (1) Points (Choose all correct answers) OpenBoot PROM (*) Text-based console PCI Root Complex (*) Cryptographic Accelerator
Incorrect
I/O Virtualization in Oracle VM Server 3 for SPARC (Answer all questions in this section) 30. You start a delayed reconfiguration in a root domain to assign a PC I device to another domain. Please choose the correct time the PCI device is rel eased. Mark for Review (1) Points After executing "ldm add-io" command. After executing "ldm add-config" command. After executing "ldm remove-io" command. After rebooting the root domain. (*)
Correct 31.
Which of the following I/O virtualization features are supported on a T5-
2 Server running Oracle VM Server 3 for SPARC. (1) Points
Mark for Review
(Choose all correct answers) Hybrid I/O SR-IOV (*) Direct I/O (*) MR-IOV
Incorrect 32. When you want to create a virtual function in a root domain you exe cute a command "ldm create-vf mtu=9000 /SYS/MB/NET0/IOVNET.PF0". However the com mand fails with some error messages. Which of the following could be possible re asons. Mark for Review (1) Points (Choose all correct answers) "mtu" parameter in the command exceeds Max allowed value of the device. (*)
The physical device is used by the root domain. There is no free virtual functions in the PCI device. (*) Solaris OS running in root domain or firmware on the physical server does n ot support creating virtual function dynamically. (*) "iov" property of the PCI root complex which the device is located is set t o off. (*)
Correct 33. You have already known PCI device name for a network interface in a root domain (root1), which of the following operations can help to know pseudo name of the device. Mark for Review (1) Points (Choose all correct answers)
In control domain, execute "ldm list-bindings root1" (*) In root domain, execute "prtconf" In root domain, execute "prtdiag" (*) In control domain, execute "ldm list-io -l" (*)
Correct
Guest VM Management in Oracle VM Server 3 for SPARC (Answer all questions in this section) 34. You plan to migrate a domain from an aged T3-2 server to a new T4-2 server. T3-2 server is running OVM SPARC 2.2 while T4-2 is running OVM SPARC 3. The domain is running Solaris 10U2, configured with 8 cores, 48GB memory, 2 vir tual disks and 2 virtual networks. T4-2 server has enough free CPU cores but onl y 40GB memory. Which of the following actions are helpful to make migration succ essful. Mark for Review (1) Points (Choose all correct answers) On T4-2 server, create virtual disk devices with same name and same storage backend. (*) Patch the guest domain OS with latest Solaris 10 recommended patch bundle. (*) On T4-2 server, execute "ldm stop-domain" to stop some domains. Update the T3-2 server with latest firmware. On T4-2 server, create virtual I/O services with same name as source server . (*)
Correct 35. Which of the following commands can be used to list CPU constraints configuration of a domain. Mark for Review (1) Points
ldm list -o domain ldm list -o resmgmt (*) ldm list -o status ldm list -o cpu
Correct 36. Someone worked out a plan to configure hard partition using only 4 CPU co res for a running guest domain (ldg1). Please help to fix mistakes in the follow ing command sequence in their plan. 1. ldm stop ldg12. ldm set-core 4 ldg13. ldm start ldg1 Mark for Review (1) Points (Choose all correct answers) Add "ldm unbind ldg1" after command 1 (*) Add "ldm start-reconf ldg1" before command 1 Add "ldm unbind ldg1; ldm bind ldg1" before command 3 Add "ldm set-domain max-cores=4 ldg1" after command 2 (*) Add "ldm bind ldg1" before command 3 (*)
Correct 37. Under which of the following situations, it is safe to use dynamic reconfiguration on a domain. Mark for Review (1) Points (Choose all correct answers) Reduce CPU core count of a guest domain while whole-core constraint is appl ied. (*) Remove a virtual disk for root file system of a guest domain. Add a virtual network interface to a guest domain. (*)
Set max-cores constraint for a guest domain.
Correct 38. A configuration file was generated using "ldm list-constraints -x l dg1 > ldg1.xml" command, which of the following command can be used to restore t he domain configuration. Mark for Review (1) Points (Choose all correct answers) ldm set-domain -i ldg1.xml ldm init-system -r -i ldg1.xml (*) ldm add-config -r ldg1.xml ldm add-domain -i ldg1.xml (*)
Correct 39. If a command "ldm set-core cid=0,1,2,3 ldg1" is executed successful ly, which of the following implications are correct. Mark for Review (1) Points (Choose all correct answers) The domain will use first four cores from the physical server. (*) Live migration of the domain is not allowed. You can not add or remove CPU resource dynamically for the domain. (*) You must also configure physical memory binding for the domain.
Correct 40. If you want to configure a DRM policy which starts at 8:00pm and en ds at 8:00am to manage CPU resource for one of your domain ldg1 dynamically. If CPU utilization is lower than 30%, CPU resources can be released from the domain , 1 thread each time. However the lowest thread number for the domain must be 8. If CPU utilization is higher than 60%, CPU resources can be allocated to the do main without limit, 2 threads each time. Which of the following commands can hel
p to create the policy. (1) Points
Mark for Review
ldm add-policy tod-begin=08:00pm tod-end=08:00am util-lower=30 util-higher=6 0 attack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 at tack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 (*) ldm add-policy tod-begin=08:00pm tod-end=08:00am util-lower=30 util-higher=6 0 attack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 at tack=1 decay=2 vcpu-min=8 name=myPolicy ldg1
Correct 41. A new T4-4 server (4 T4 CPU and 1TB of memory) running OVM SPARC 3 is dep loyed in your datacenter. Supposed the guest OS are supported by OVM SPARC 3, Wh ich of the following guest domains can be live migrated to the new server. M ark for Review (1) Points None of above domain can be live migrated. A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configu ration: 4 cores (cpu-arch=native), 16GB memory, 2 virtual disks from file in NFS share, 1 virtual NIC. A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configu ration: 4 cores (cpu-arch=generic), 16GB memory, 2 virtual disks from physcial L UN, 1 virtual NIC. (*) A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configura tion: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from physcial LUN, 1 NIC from virtual function of a physical NIC. A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configura tion: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from zvol backend, 1 virtual NIC.
Correct 42. Under which of the following situations, you have to start a delaye d reconfiguration. Mark for Review (1) Points
(Choose all correct answers) Set iov property of a PCI root complex to on in primary domain. (*) Add 2 vcpus to primary domain while whole-core constraint is applied. Increase memory size of primary domain. The new memory size is less than or iginal memory plus available free memory on the system. Create virtual function from a PCI device in primary domain. (*)
Correct
Oracle VM Manager Integration (Answer all questions in this section) 43. Which of the following are difference between built-in DRM policy i n Oracle VM Server 3 for SPARC and DRS policy in OVM Manager. Mark for Revie w (1) Points (Choose all correct answers) DRM is a policy for guest domains in a single server while DRS is a policy for a server pool. (*) DRM will redistribute CPU resource among guest domains on the server while DRS rebalances workload among servers. (*) DRM can only monitor CPU usage while DRS can monitor network I/O performanc e beyond CPU. (*) DRM will define only ceiling threshold while DRS defines both floor and cei ling value. Multiple DRM policies can be defined for a guest domain while only one DRS policy can be applied to a server pool. (*)
Incorrect 44. Which of the following statements about master server in a server p ool are correct. Mark for Review
(1) Points (Choose all correct answers) Master server will be the only contact point for OVM Manager after s server pool is created. (*) Master server listening IP address can be any that is able to access contro l domain management network interface. Master server failover is not available in an OVM SPARC server pool. (*) Any server can be the master server, you can switch master server role to a nother server in the pool. (*)
Correct 45. Which of the following statements about OVM Manager are correct. Mark for Review (1) Points (Choose all correct answers) OVM Manager provides multi-hypervior support which includes Oracle VM Serve r for x86 and Oracle VM Server for SPARC. (*) OVM Manager will setup direct management channel to all managed resources. OVM Manager is a centralized management solution to Oracle VM deployment. M ost of the management jobs can be done at a single place. (*) OVM Manager provides different interfaces to access its management services . All interfaces will have identical functions. (*)
Correct 46. Which of the following statements about creating guest domain from templa te are correct. Mark for Review (1) Points (Choose all correct answers) All vNIC MAC address will be allocated by OVM Manager for the new guest dom ain. (*)
The guest domain will be created on the assigned OVM Server after cloning p rocess. The place where new guest domain metadata will be stored can be customized during cloning process. (*) New guest domain metadata will be created using a cloning process. (*)
Incorrect 47. If you want to install OVM Agent for SPARC to enable management thr ough OVM Manager, which of the following requirements must meet. Mark for Re view (1) Points (Choose all correct answers) A default initial configuration is required but no need to create any virtu al I/O service since those can be configured through OVM Manager later. Password for OVM agent for servers in a server pool should be identical. (* ) No other domain is configured on the server. (*) Control domain must be running Solaris 11.1 (*)
Correct 48. If OVM Agent is deployed, which of the following limitations apply to Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) Only virtual I/O services can be used in a guest domain. (*) Guest Domains will not run properly without OVM Manager. Control Domain will be the only service domain in the server. (*) ldm CLI tool will only be used for performance tuning & trouble-shooting. ( *)
Incorrect 49. Which of the following statements about Oracle VM Template are corr ect. Mark for Review (1) Points (Choose all correct answers) A template can be used to include more than one guest VMs to deploy an appl ication with inter-related software components. Only template released by Oracle can be used for production deployment A template archive will normally have metadata and virtual disk images for a guest VM (*) Using template can reduce complexity and time to deploy Software (*)
Incorrect
High Availability in Oracle VM Server 3 for SPARC (Answer all questions in this section) 50. If you deploy Solaris Cluster and data service for OVM SPARC, which of the following failure conditions can be protected. Mark for Review (1) Points (Choose all correct answers) Guest Domain OS failure (*) Application failure in a guest domain Server hardware failure (*) Hypervisor failure (*)
Correct
Oracle VM Server 3 for SPARC Overview (Answer all questions in this section) 1. Which of the following are rapid application deployment solutions in Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) Reference Image Template (*) Assembly (*) Golden Image
Correct
Correct
2. Which of the following is the maximum number of domains can be created on a Oracle Sun SPARC T5-2 Server. Mark for Review (1) Points 256 128 (*) 32 64
Correct
Correct
Oracle VM Server 3 for SPARC Architecture (Answer all questions in this section) 3. Which component in control domain provides a text-based console for each active domain. Mark for Review (1) Points LDom MIB
LDom p2v tools Virtual Network Terminal Server (*) LDom Manager
Correct
Correct
4. Which of the following I/O devices can be provided by a Service Domain to guest domains Mark for Review (1) Points (Choose all correct answers) Virtual Function of a PCI device Individual PCI device Virtual Disk (*) Virtual Network (*)
Incorrect
Incorrect
5. Which of the following statements about LDom manager in a Control Domain are correct. Mark for Review (1) Points (Choose all correct answers) LDom Manager provides terminal console for each guest domain (*) LDom Manager provides both XML-RPC and SNMP service interface to externa l management tool LDom Manager at background monitors resource utilization of guest domain s and can dynamic adjust resource in guest domains (*) LDom Manager manages hypervisor and guest domains on the same server (*)
Correct
Correct
6. Which of the following statements about Service Domain are correct. Mark for Review (1) Points (Choose all correct answers) Service Domain will provide virtual I/O services to guest domain (*) For each virtual device in guest domain, there must be a back-end device in Service Domain (*) Control domain will always be a service domain Service Domain will leverage LDCs in hypervisor to communicate with virt ual device in guest domain (*)
Correct
Correct
Setup Oracle VM Server 3 for SPARC (Answer all questions in this section) 7. Following are some commands that you should run when ini tially configure the Control Domain, please choose the correct sequence of those commands. 1. ldm set-core 2 primary2. ldm set-mem 8g primary3. ldm start-reconf 4. ldm add-spconfig initial5. shutdown -i6 -y -g0 Mark for Review (1) Points 3,4,1,2,5 1,3,2,4,5 (*) 1,2,3,4,5 4,3,1,2,5
Correct
Correct
8. If you have to reinstall Solaris OS on Control Domain of a server running Oracle VM Server for SPARC 2.2, which of the following files y ou should backup and restore later. Mark for Review (1) Points
(Choose all correct answers) /var/opt/SUNWldm/bootsets/* /var/opt/SUNWldm/autosave-* (*) /etc/ovs-agent/db/* /var/opt/SUNWldm/ldom-db.xml (*)
Correct
Correct
9. Why a "ldm set-crypto" command should be executed when c onfiguring Control Domain on a server. Mark for Review (1) Points (Choose all correct answers) Control Domain need crypto acceleration capability from processor to spe ed up possible live migration communication. (*) The server is equipped with SPARC T3 and earlier processors which crypto unit must be assigned explicitly to a domain. (*) Control Domain need crypto acceleration capability from processor to enc rypt virtual I/O communications between guest domain and service domain. The server is equipped with SPARC T4 and later processors which crypto u nit must be assigned explicitly to a domain.
Incorrect
Incorrect
10. When you are planning to upgrade a pre-existing Oracle V M Server for SPARC, which of the following components you should check. Mark fo r Review (1) Points (Choose all correct answers) Solaris OS release of Guest Domain (*) ILOM release of the server
Firmware release of the server (*) Solaris OS release of Control Domain and Service Domain (*)
Correct
Correct
11. Which of the following network elements in Solaris 11 ca n be used for network back-end of virtual switch in a service domain. Mark fo r Review (1) Points (Choose all correct answers) single network interface (*) vlan (*) IPMP group aggregation (*) etherstub (*)
Correct
Correct
12. If a guest domain need to communicate with zones in serv ice domain where the vnet backend resides, which of the following network elemen t is the best choice for virtual switch backend. Mark for Review (1) Points single network interface etherstub (*) aggregation vlan
Correct
Correct
13. To create a virtual switch in service domain with the in terface net0, which of the following commands can help you know the physical net work interface for net0. Mark for Review (1) Points ifconfig net0 dladm show-phys net0 (*) ipadm show-if net0 dladm show-link net0
Correct
Correct
14. Which of the following means can help to prevent possibl e MAC address conflict when using Oracle VM Server 3 for SPARC in your datacente r. Mark for Review (1) Points (Choose all correct answers) If managing Oracle VM Server 3 for SPARC with OVM Manager, OVM Manager w ill guarantee MAC address uniqueness by maintain a centralized MAC address pool. (*) MAC address for virtual network interface can be assigned automatically by LDom Manager. A specific range of MAC addresses has been allocated for Oracle VM Serve r 3 for SPARC product. No other physical or virtual network device vendor will u se MAC addresses in this range. (*) LDom Manager running in the control domain can detect MAC address duplic ation by sending out a multicast message periodically to the peer in the datacen ter. (*)
Correct
Correct
15. Which of the following statements about virtual network interfaces in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers)
When a virtual network interface is using a physical network interface a s backend, it will use the same device driver as the physical interface. A virtual network interface will have to connect to a backend physical n etwork at runtime if it need to communicate with external resources. (*) The communication channel for virtual network interface will use logical domain channel (LDC) in hypervisor. (*) Virtual network interfaces are defined in guest domain's metadata and it s definition does not depend on physical network interface on the server hardwar e. (*)
Correct
Correct
16. Which of the following statements about the purpose of defining network roles in Oracle VM Server 3 for SPARC deployment are correct. Mark for Review (1) Points (Choose all correct answers) Datalinks in a network will form a fail-over group. If any active datali nk is down, another one will continue the communication automatically. You can manage the datalinks in the same network together thus make the management work more efficient. (*) A level-2 soft switch will be created automatically for each network to enable communication between datalinks in the same network. Defining networks can isolate traffic through different physical datalin ks so that can avoid possible network congestion. (*)
Incorrect
Incorrect
Storage Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section) 17. When you want to export a volume created by a volume man ager software such as Solaris Volume Manager in service domain as a virtual disk , which of the following backend options you can use for the virtual disk. Mark for Review (1) Points (Choose all correct answers)
single slice option (*) read-only option (*) exclusive option full disk option (*)
Incorrect
Incorrect
18. If you do not want the guest domain to block the I/O req uest when service domain that is providing virtual storage service is down. Mark for Review (1) Points (Choose all correct answers) Set vdc:vdc_timeout property in /etc/system configuration file in guest domain (*) Set vdc:vdc_timeout property in /etc/system configuration file in servic e domain Set timeout property when running "ldm add-vdev" command. Set timeout property when running "ldm add-vdisk" command. (*)
Correct
Correct
19. If OVM Manager is not to be used in Oracle VM Server 3 f or SPARC deployment, which of the following statements about storage management are correct. Mark for Review (1) Points (Choose all correct answers) Only OS-specific software components are required to access and manage c onnected storage resources. (*) Storage discovery and provisioning have to be done server by server. (*) Any supported storage type, both local and shareable, can be used for st
orage backend. (*) Multiple service domains can be created to provide virtual storage servi ces. (*)
Correct
Correct
20. A physical LUN is connected to a service domain s1 and i s mapped as /dev/dsk/c0t0d0. Virtual Disk Service is already created on the serv ice domain as s1-vds. Which of the following command sequence can export the phy sical LUN to two guest domains ldg1 and ldg2. Mark for Review (1) Points ldm add-vdsdev /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c 0t0d0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol 2@s1-vds ldg2 ldm add-vdsdev -f /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c 0t0d0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol 2@s1-vds ldg2 ldm add-vdsdev /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk /c0t0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2 (*) ldm add-vdsdev -f /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev /dev/dsk /c0t0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2
Correct
Correct
21. If OVM Manager is to be used in Oracle VM Server 3 for SPARC deployment, which of the following statements about storage management are correct. Mark for Review (1) Points (Choose all correct answers) Control Domain will be the only service domain, all storage resources mu st be accessible from Control Domain. (*) OVM Manager must be running otherwise storage services will stop. OVM Agent and storage connect plugin must be installed in control domain before OVM Manager can manage storage devices. (*)
Only shareable storage devices can be recognized by OVM Manager. (*) Storage discovery and provisioning can be done centrally through OVM Man ager. (*)
Correct
Correct
Guest VM Concept in Oracle VM Server 3 for SPARC (Answer all questions in this section) 22. Compared to a software-based hypervisor, which of the fo llowing factors can contribute performance advantage of Oracle VM Server 3 for S PARC. Mark for Review (1) Points (Choose all correct answers) Hypervisor in Oracle VM Server 3 for SPARC will optimize memory layout b y allocating memory close to CPU cores in each domain. (*) CPU and memory resources in each domain are totally isolated. CPU and me mory consumption in one domain will not impact other domains. (*) Hypervisor in Oracle VM Server 3 for SPARC implements a much better sche duler to allocate CPU resources for each domain at runtime more efficiently. Solaris OS running in a guest domain is hypervisor awared so that can wo rk together to achieve higher performance. (*)
Correct
Correct
23. omain are correct. (1) Points
Which of the following statements about creating guest d Mark for Review (Choose all correct answers)
After a guest domain is created, a new configuration must be created in system controller. If guest domain will only use virtual I/O services from a service domain , at least one virtual disk must be created for the domain. (*)
A "ldm bind" command must run for each domain to get domain resources al located by hypervisor. (*) A specified port will be assigned by svc:/ldoms/vntsd service for each g uest domain as the virtual console endpoint. (*) You must assign at least one thread and 1GB of memory for guest domain. (*)
Incorrect
Incorrect
24. Which of the following statements about CPU and memory v irtualization in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) You can request more CPU and memory for a guest domain than that is avai lable on the physical server. CPU and memory resources for each domain are hard allocated at bind time . (*) It is possible to move CPU and memory resources from one domain to anoth er when both domains are running. (*) CPU and memory resources are virtualized and provisioned to each domain by hypervisor. (*)
Correct
Correct
25. In conversion phase of p2v migration, a "ldmp2v convert -n vnet0 -d /p2v/myDomain myDomain" command is successfully executed. Which of t he following implications are correct. Mark for Review (1) Points (Choose all correct answers) The /p2v/myDomain folder is where the virtual disk files for the domain are stored. A network install process will be used to upgrade the Solaris OS in the domain. (*)
You must run a "add_install_client" command in the network install serve r to configure for the domain. (*) The network install server must be in same subnet as vnet0 of the domain . (*)
Correct
Correct
26. Which of the following system components of guest domain need to be virt ualized by the hypervisor on a SPARC T5-2 server. Mark for Review (1) Points (Choose all correct answers) OpenBoot PROM (*) Cryptographic Accelerator Text-based console PCI Root Complex (*)
Correct
Correct
27. Two virtual disks, virtual_disk and virtual_cd, have bee n assigned orderly to a guest domain ldg1. Backend for those two virtual disks a re a ZFS volume and an ISO image file respectively. Which of the following opera tions can first install OS from virtual_cd then reboot from virtual_disk when in stallation completes. Mark for Review (1) Points In ok prompt of guest domain console execute "boot virtual_cd:f" (*) In ok prompt of guest domain console execute "boot cdrom" In ok prompt of guest domain console execute "setenv boot-device=virtual _cd" then "reset" In control domain execute "ldm set-variable boot-device=virtual_cd ldg1" then restart the guest domain
Correct
Correct
28. Without changing the default configuration of svc:/ldoms /vntsd, Which of the following methods can access the virtual console of a guest domain. Mark for Review (1) Points Execute telnet localhost in control domain. (*) Start a telnet session from any client connecting to virtual console por t on control domain. Start a SSH session from any client connecting to virtual console port o n control domain. Start a VNC session from any client connecting to virtual console port o n control domain.
Correct
Correct
29. In collection phase of p2v migration, a "ldmp2v collect -x /export/tmp -d /net/ldom/p2v_stage/myServer" command is successfully executed . Which of the following implications are correct. Mark for Review (1) Points (Choose all correct answers) The archive will be stored in the folder /net/ldom/p2v_stage/myServer. ( *) It will use Flash tool to generate archive for physical server. (*) The command is executed in physical server you want to migrate. (*) All mounted file systems excluding /export/tmp will be generated in the archive.
Correct
Correct
I/O Virtualization in Oracle VM Server 3 for SPARC (Answer all questions in this section) 30. Which of the following statements about I/O domain are c orrect. Mark for Review
(1) Points (Choose all correct answers) I/O traffics from physical PCI devices in I/O domain will only need to g o through hypervisor. Proper version of Solaris OS is required to run in both Root Domain and I/O domain to leverage I/O virtualization features. (*) Using physical PCI devices in I/O domain can achieve bare-metal performa nce with less CPU consumption. (*) A running I/O domain can not be migrated to another server. (*)
Incorrect
Incorrect
31. Which of the following I/O virtualization features are supported on a T5 -2 Server running Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) SR-IOV (*) Direct I/O (*) Hybrid I/O MR-IOV
Correct
Correct
32. When you want to create a virtual function in a root dom ain you execute a command "ldm create-vf mtu=9000 /SYS/MB/NET0/IOVNET.PF0". Howe ver the command fails with some error messages. Which of the following could be possible reasons. Mark for Review (1) Points (Choose all correct answers) The physical device is used by the root domain. There is no free virtual functions in the PCI device. (*)
Solaris OS running in root domain or firmware on the physical server doe s not support creating virtual function dynamically. (*) "iov" property of the PCI root complex which the device is located is se t to off. (*) "mtu" parameter in the command exceeds Max allowed value of the device. (*)
Correct
Correct
33. Which of the following statements about Root Domain in O racle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) Number of root domains can be created on a server is hardware dependent. (*) A root domain can run independently to other domains on the same physica l server. (*) A root domain can run at 100% native performance. (*) A service domain must also be a root domain.
Correct
Correct
Guest VM Management in Oracle VM Server 3 for SPARC (Answer all questions in this section) 34. Which of the following statements about guest domain mig ration in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) Both running and stopped domains can be migrated from one server to anot her. (*) It requires that both source and target run same version of firmware and
LDom manager software. OVM SPARC will always transfer running guest domain status through a SSL -based secure channel. (*) Only guest domain using shared storage backend cane be migrated. (*) OVM SPARC does not support migrate any I/O domain. (*)
Incorrect
Incorrect
35. Under which of the following situations, you have to sta rt a delayed reconfiguration. Mark for Review (1) Points (Choose all correct answers) Increase memory size of primary domain. The new memory size is less than original memory plus available free memory on the system. Add 2 vcpus to primary domain while whole-core constraint is applied. Create virtual function from a PCI device in primary domain. (*) Set iov property of a PCI root complex to on in primary domain. (*)
Correct
Correct
36. Which of the following statements about memory DR in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) If a memory DR operation is cancelled, memory allocation for the domain will be rolled back to its original status. Memory block will be cleared before added to or after removed from a dom ain. (*) Memory DR may take a long time if want to remove a lot of memory from an active domain with large memory footprint. (*) Memory size will be rounded to multiple of 256MB if using --auto-adj par
ameter in memory DR operation. (*)
Incorrect
Incorrect
37. Someone worked out a plan to configure hard partition us ing only 4 CPU cores for a running guest domain (ldg1). Please help to fix mista kes in the following command sequence in their plan. 1. ldm stop ldg12. ldm setcore 4 ldg13. ldm start ldg1 Mark for Review (1) Points (Choose all correct answers) Add "ldm unbind ldg1" after command 1 (*) Add "ldm bind ldg1" before command 3 (*) Add "ldm set-domain max-cores=4 ldg1" after command 2 (*) Add "ldm unbind ldg1; ldm bind ldg1" before command 3 Add "ldm start-reconf ldg1" before command 1
Incorrect
Incorrect
38. Which of the following statements about memory managemen t in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points (Choose all correct answers) You can not request more memory for a domain than that is available on t he physical server. (*) Memory translation between user space to physical address will be done b y hypervisor. Allocated memory size for an active domain will always be multiple of 25 6MB. Hypervisor will try to allocate physical memory close to the CPU resourc es for a domain at bind time. (*)
Incorrect
Incorrect
39. To migrate a domain ldg1 from server 1 to server 2 you e xecute a command "ldm migrate-domain ldg1 root@server2:ldg2" in server1. Which o f the following operations can help you monitor the migration status. Mark fo r Review (1) Points (Choose all correct answers) In server 1 execute "ldm list-domain -o status ldg2" In server 2 execute "ldm list-domain -o status ldg1" In server 2 execute "ldm list-domain -o status ldg2" (*) In server 1 execute "ldm list-domain -o status ldg1" (*)
Correct
Correct
40. You plan to migrate a domain from an aged T3-2 server to a new T4-2 server. T3-2 server is running OVM SPARC 2.2 while T4-2 is running O VM SPARC 3. The domain is running Solaris 10U2, configured with 8 cores, 48GB me mory, 2 virtual disks and 2 virtual networks. T4-2 server has enough free CPU co res but only 40GB memory. Which of the following actions are helpful to make mig ration successful. Mark for Review (1) Points (Choose all correct answers) On T4-2 server, create virtual disk devices with same name and same stor age backend. (*) On T4-2 server, execute "ldm stop-domain" to stop some domains. Patch the guest domain OS with latest Solaris 10 recommended patch bundl e. (*) Update the T3-2 server with latest firmware. On T4-2 server, create virtual I/O services with same name as source ser ver. (*)
Correct 41.
Correct You want to increase primary domain memory from 8GB to 16GB. Suppose cur
rent domain config is initial, which of the following operation can set the memo ry persistently across next power cycle. Mark for Review (1) Points ldm set-mem 16g primary; ldm add-config -r initial (*) ldm start-reconf primary; ldm set-mem 16g primary; ldm add-config initia l ldm start-reconf primary; ldm set-mem 16g primary; shutdown -i6 -y -g0 ldm set-mem 16g primary
Incorrect
l are correct. (1) Points
Incorrect 42. Which of the following statements about ldmpower CLI too Mark for Review (Choose all correct answers)
Both instaneous and history data can be displayed at regular interval. ( *) It is used for defining Power Management policy for the server. PM Observability Module must be enabled by setting "ldmd/pm_observabilit y_enabled" property of ldmd service to true. (*) It can display power comsumption data by domain. (*)
Incorrect
Incorrect
Oracle VM Manager Integration (Answer all questions in this section) 43. ARC are correct. (1) Points
Which of the following statements about OVM Agent for SP Mark for Review (Choose all correct answers)
OVM Agent for SPARC intergrates all management functions through a commo
n framework. (*) OVM Agent will open management capabilities to OVM Manager through a XML /RPC service interface. (*) OVM Agent for SPARC will wrap LDom manager services through accessing "l dm" CLI interface. OVM Agent for SPARC will need to be installed on control domain of each Oracle VM Server 3 for SPARC. (*)
Incorrect
Incorrect
44. Which of the following statements about storage connect framework are correct. Mark for Review (1) Points (Choose all correct answers) Not only Oracle any storage vendor can implement the plugin for their pr oducts. (*) It is a framework that enables storage device management capabilities di rectly in OVM Manager. (*) It defines plugin interfaces to support managing Disk Array and File Ser ver devices. (*) All storage connect plugins must implement all features defined in the i nterface.
Correct
Correct
correct. (1) Points
45. Which of the following statements about OVM Manager are Mark for Review (Choose all correct answers)
OVM Manager provides multi-hypervior support which includes Oracle VM Se rver for x86 and Oracle VM Server for SPARC. (*) OVM Manager will setup direct management channel to all managed resource s.
OVM Manager is a centralized management solution to Oracle VM deployment . Most of the management jobs can be done at a single place. (*) OVM Manager provides different interfaces to access its management servi ces. All interfaces will have identical functions. (*)
Correct
Correct
46. Which of the following statements about Server Pool in OVM Manager are c orrect. Mark for Review (1) Points (Choose all correct answers) Servers in a server pool must be similar hardware at least use same proc essor. Servers in a server pool must use same type of hypervisor. (*) You can only create a non-clustered server pool for OVM SPARC. (*) Not like OVM for x86, there is no hard limit on server number in an OVM SPARC server pool. (*)
Incorrect
Incorrect
47. If OVM Agent is deployed, which of the following limitat ions apply to Oracle VM Server 3 for SPARC. Mark for Review (1) Points (Choose all correct answers) Guest Domains will not run properly without OVM Manager. ldm CLI tool will only be used for performance tuning & trouble-shooting . (*) Only virtual I/O services can be used in a guest domain. (*) Control Domain will be the only service domain in the server. (*)
Correct
Correct
48. Which of the following statements about master server in a server pool are correct. Mark for Review (1) Points (Choose all correct answers) Master server failover is not available in an OVM SPARC server pool. (*) Any server can be the master server, you can switch master server role t o another server in the pool. (*) Master server listening IP address can be any that is able to access con trol domain management network interface. Master server will be the only contact point for OVM Manager after s ser ver pool is created. (*)
Correct
Correct
49. Which of the following statements about differences betw een Oracle generic plugin and vendor plugins are correct. Mark for Review (1) Points (Choose all correct answers) Oracle generic plugin only supports storage element discovery while vend or plugin can support more features. (*) Oracle generic plugin only uses OS-specific CLI to manage storage device s while vendor plugins will normally use dedicated management channel on the dev ice. (*) Using vendor plugin can provide better performance while accessing data service than Oracle generic plugin. Oracle generic plugin only supports NFS server and iSCSI storage while v endor plugin can support more devices. (*) Using Oracle generic plugin in OVM Manager is called unmanaged mode whil e using vendor plugin is called managed mode.
Correct
Correct
High Availability in Oracle VM Server 3 for SPARC (Answer all questions in this section) 50. Which of the following methods can increase I/O reliabil ity in a Oracle VM Server 3 for SPARC deployment. Mark for Review (1) Points (Choose all correct answers) Configure stripped ZFS pool from multiple virtual disks. Configure multipath virtual I/O through multiple service domains for vir tual storage device. (*) Configure link aggregation and storage multipath for virtual I/O backend in each service domain. (*) Configure IPMP in guest domain using two links from same virtual. (*)
Incorrect
Incorrect
