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UNIT-I 1. (a)What are the major issues issues and challenges that need to be considered while while designing WSN (b)What is a Wireless Sensor Network? What are its elements? 2. (a) Write a notes on Background Background of Sensor network technology? (b)What are the characteristics requirements of WSN? 3. (a)Define Wireless Sensor Networks? Explain the principle of operation of WSN With a neat diagram? (b)Differences between single hop and multi -hop communication? 4. (a)What are the characteristics requirements requirements of WSN? (b)Explain about the topologies of WSN? 5. (a) what are the major challenges and unique Constraints of wireless sensor networks are facing? Explain in details. (b)Explain about collaborative processing in WSN? 6. (a) Explain energy advantage and detection advantage of WSN i n details? (b Explain about the factors influencing in WSN Design? 7 .(a) Explain about the Key definitions of sensor networks? (b)What are the advantages and disadvantages of WSN? 8 .(a) Briefly explain the applications of WSNS? (b)What are the required mechanisms for WSN to meet the challenges of WSN? 9. (a) Compare different wireless technologies and identify the technology suitable for WSN? (b) Give the advantages of sensor networks. 10. (a)Explain the following with respect to WSN :(i)Embedded OS (ii)sensor node (iii)Topology (iv) Data-Centric (b)Explain about Home automation application of WSN?
UNIT-II 1. (a) Explain in brief about Single node Architecture? (b) Write about the topologies of PAN. 2. (a) Explain in brief about energy Consumption of Sensor nodes? (b) Explain in brief about Tiny OS and nesC? 3. (a) Explain the basic sensor networks scenarios? (b) Explain about node mobility, sink mobility and event mobility? 4. (a) Write about optimization goal and Figure of Merit of WSN (b) Compare WSN with MANET? 5. (a) Write about various types of sources and sinks (b) Explain in detail about the choice of transmission medium in wsn. 6. (a) Discuss in details transceiver characteristics and structure? (b)Write about the operational states of a sensor node? 7. (a) Write in detail about PAN and MANETS. (b)Explain briefly about Advanced Radio concepts in WSN? 8. (a)Explain how energy consumption can be reduced in sensor node? (b)Explain briefly about In-network processing? 9. (a)Explain about energy scavenging technique used in WSNS? (b)Explain briefly Dynamic voltage scaling mechanism? 10. (a)Explain about the Design principles of WSN? (b)Draw the architecture of Tiny OS and Explain?
UNIT III 1. (a) Explain in brief about Five phase Reservation protocol?
b) Explain in brief about the Issues in Designing a MAC protocol for Ad Hoc Wireless Networks? 2. (a) Explain in detail physical layer and trans-receiver design considerations WSNS.
b) Explain in brief about Classifications of MAC Protocols? 3. (a)Explain how MACAW PROTOCOL eliminates the problems linked with MACA?
b) Explain the Hidden and Exposed terminal problems? 4. (a) Explain in brief about Interleaved CSMA Protocol?
b) Explain about the DBMA PROTOCOL? 5. (a) Explain in brief about Interleaved D-PRMA Protocol?
b) Explain in brief about Interleaved DWOP Protocol? 6. (a) Explain in brief about FPRP?
b) Explain in brief about RTMA Protocol? 7. (a) Write about the MAC PROTOCOL that use Directional Antennas?
b) Explain in brief about classification of MAC PROTOCOLS? 8 .a) Explain in brief about the Design goals of a MAC Protocol for Ad Hoc Wireless networks? b) Differentiate between Contention Based Protocols with reservation and Scheduling Mechanism protocols 9. a) Explain in brief about Classifications of MAC Protocols? b) Explain in brief about Real time MAC Protocol? 10. (a)Explain how MACA PROTOCOL reduces the Hidden and Exposed terminal problems?
b) Explain the Hidden and Exposed terminal problems?
UNIT IV 1. a) Differentiate between Table –Driven Routing Protocols and On –Demand Routing Protocols? b) Explain in brief about the Issues in Designing a Routing Protocol for Ad Hoc Wireless Networks? 2. a) Explain in brief about DSDV Routing Protocol? b) Explain in brief about AODV Routing Protocol? 3. a) Explain in brief about STAR Routing Protocol? b) Explain in brief about DSR Routing Protocol? 4. a) Explain in brief about Fish eye state Routing protocol? b) Explain in brief about CEDAR Routing protocol 5. a) List the classification of routing protocols in ad hoc networks. Explain any two in detail. b) What are the issues in designing a Routing Protocol for Ad Hoc Wireless Networks? 6. a) Describe about various types of hybrid routing protocols. b) Explain in detail about the source initiated routing protocols for adhoc networks. 7. a) Write about Power- Aware Routing protocols.. b) Give the classification of routing protocol based on routing topology. 8. a) Discuss about efficient flooding routing protocols. b) Write about ZRP routing protocol. 9. a) Explain the different issues in designing a routing protocol. b) Discuss in detail about hierarchical Routing protocols protocol. 10. (a) Explain about directional antenna based routing protocol?
b) Differentiate between proactive Routing protocols and Reactive Routing Protocols?
UNIT V 1.a) Why TCP protocol used in wired networks is not suitable for wireless networks? b) Explain in brief about TCP Bus? 2. a) Explain in brief about feedback based TCP? b) Explain in brief about TCP with explicit Link failure Notification? 3. a) Explain in brief about the Issues in Designing a Transport Layer Protocol for Ad Hoc Wireless Networks? b) Why does TCP not perform well in Ad hoc wireless network? 4. a) What are the design Goals of a Transport Layer Protocol for Ad Hoc Wireless Networks? b) Justify what are the solutions for classification of transport layer. 6. a) Describe the issues in Designing a Transport Layer Protocol for Ad Hoc Wireless Networks. b) What are the challenges in transport layer for Adhoc networks? 7. a) What is a transport layer? How to Classify Transport Layer Solutions? b) Explain the transport layer protocols in detail. 8. a) What are the issues designing in transport layer for adhoc networks? b) Describe the classification of transport layer and its solutions. 9. a) Give the comparison of TCP solutions for Ad-hoc wireless networks. b) Write about tradition TCP and explain its inefficiency in Ad-hoc wireless networks. 10.a) Explain about ACTP protocol in details b) compare ACTP and ATP protocols
UNIT VI 1. a)Explain in brief about Network Security Requirements in WSN? b)Explain about security aware AODA PROTOCOL? 2. a)Write about various network security attacks? b)List out and Explain in brief about the Applications of wireless sensor networks? 3. a)Explain in brief about Key Management in WSN? b)Explain in brief about Security in Ad Hoc Wireless Networks? 4. a)Explain how security is provided in ad hoc sensor networks. b)Describe the Wireless Fidelity systems in detail. 5. a)What are the requirements in network security? b)Using sensors how to automate a home? Explain it. 6. a) What are the issues and Challenges in Security Provisioning? b) Describe the attacks in Network Security. 7. a) Write about secure routing in wireless Ad-hoc networking. b) Explain different asymmetric key algorithms. 8.a) What is the key management and give various key management approaches. b) Explain different symmetric key algorithms. 09. Write short notes on a) Home automation b) Ultra wide band radio communication 10. a) Write about various network security attacks. b) Explain secure efficient Ad-hoc distance vector routing protocol.
