Zero to CCNA in 120 Days . . . . . . and Preparin g f or ot her Ad vanced Certifications
Beau Wil li ams on CCIE R&S 1346 Emer itus
T-Mobile
ZeroToCCNA.-rev3.pptx
Housekeeping Please tu rn of f all Cell Pho nes and (a nd f or t he Din os aur s i n th e ro om ) Pagers !
ZeroToCCNA.-rev3.pptx
2
Openin g Sta tements • Some of t his conte nt i s so lely m y op inion. – YMMV
• Oth er p eop le here my have ot her i deas. – If s o, pl ease sp eak u p. – We want to benefit fro m y our kno wledge .
ZeroToCCNA.-rev3.pptx
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Agenda • Why Cert if y? • Getti ng your p rio rit ies str aigh t. • What yo u n eed t o k no w. • Learn in g Reso ur ces • Getti ng Organi zed • Valuable(?) Tips
ZeroToCCNA.-rev3.pptx
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Why Certi fy ?
ZeroToCCNA.-rev3.pptx
5
Here’s w hat i t’s wo rt h t o y ou . Certification
1
PayR ange1
CCNA
$40K-$59K
CCNP
$60K-$120K
CCIE
$120K&up
Depends on experience as well as location. YMMV
ZeroToCCNA.-rev3.pptx
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Agenda • Why Cert if y? • Getti ng your p rio rit ies str aigh t. • What yo u n eed t o k no w. • Learn in g Reso ur ces • Getti ng Organi zed • Valuable(?) Tips
ZeroToCCNA.-rev3.pptx
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Getti ng you r p rio rit ies st raigh t. • Money 1
– What d id you r B achelor's degree cos t ? • $40,000? • $80,000? • $120,000 or mo re
– Did i t get you that N etwo rk Job you wanted? • Prob ably n ot if you’ re here lis tenin g to th is.
– How m uch are you will ing to spe nd to certif y? • For a CCNA, CCNP, CCIE??? – (Remember th os e salary ranges in th e pr eviou s sl id e.) 1
I’m assuming h ere you h ave one. Even if yo u don ’t th is st ill applies.
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Getti ng you r p rio rit ies st raigh t. • Time – How many yea rs di d t hat Ba ch elo rs take ? • 4 Years • 6 Years • (In m y c ase) 16 Years! !!!
– How m any h rs /wk are you wil lin g to d evot e for th at s alary? • 15 Hour s (3 hrs * 5 days )? • 10 Hour s (2 hrs * 5 days )? • 5 Hou rs ? (1 hr * 5 days)? • None – I have to many i mpo rt ant TV sh ow s / PC Games to st ud y ZeroToCCNA.-rev3.pptx
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Agenda • Why Cert if y? • Getti ng your p rio rit ies str aigh t. • What yo u n eed t o k no w. • Learn in g Reso ur ces • Getti ng Organi zed • Valuable(?) Tips
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Realit y – What you need to kno w What a CCNA really needs to know.
Test Questions
Stupid Questions
ZeroToCCNA.-rev3.pptx
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Examp le: Stu pi d Quest io ns • What is the pin-out of a straight through Ethernet cable? – Match the wire colors to pin numbers. B lue B lue -W hi te O ran ge O ran ge -Wh it e G ree n G ree n- Wh it e B row n B row n- Wh it e
P in -1 P in- 2 P in -3 P in- 4 P in -5 P in- 6 P in -7 P in- 8
• Stu pi di ty Ratio nal – How oft en do y ou bui ld your own cable s? – Why would you tru st your memory for this? – If you w ant to know if th e cable is st raight-throu gh, compare the ends. If th ey are th e same, it’s a st raigh t-thr ou gh cabl e.
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Examp le: Stu pi d Quest io ns • What is the correct IOS command to adjust EIGRP Hello time to 5 seconds? a)
R1(conf)# ip eigrp hello interval 10 5
b)
R1(conf-int)# ip eigrp hello-interval 5 10
c)
R1(conf-int)# ip eigrp hello interval 5 10
d)
R1(conf)# ip eigrp hello-interval 10 5
• Stu pi di ty Ratio nal – This is wh at CLI help is fo r!! !
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Deali ng wi th Stu pi d Quest io ns • Memo ri ze every th in g in th e bo ok – Sur e, if y ou h ave ph ot og raphic memor y. • Or i f y ou r n ame is K im Peek
• Use Practice Exams – Best defense a gains t s tup id q uest ion s.
ZeroToCCNA.-rev3.pptx
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What y ou need t o k no w • ICND1 – Netwo rki ng Fundame ntals • The TCP/IP and OSI Netw or ki ng Mod els • Fundamentals of Ethernet LANs • Fundamentals of WANs • Fund amenta ls of IP v4 Addr essin g & Routin g
– Eth ern et L ANs a nd Swi tch es • Buil din g Ethernet LAN s wit h Switc hes • Inst allin g and Ope rating Cisco LAN S witc hes • Implementing Ethernet Virtual LANs • Trou bleshoot ing Ethernet LANs
ZeroToCCNA.-rev3.pptx
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What y ou need t o k no w • ICND1 (cont) – IP Versi on 4 Ad dressi ng and Sub nettin g • Perspecti ves on IPv4 Sub netti ng • Analyzing Classfull IPv4 Networks • Analyzing Subnet Masks • Analyzing Existing Subnets
– Imp lementi ng IP Vers io n 4 • Operating Cisco Routers • Learni ng IPv4 Rou tes wi th OSPFv2 • Conf igu rin g and Verif yin g Host Connectivi ty
– Advanced IPv4 Addressing Concepts • Sub net De si gn • Rou te Summ ariza ti on ZeroToCCNA.-rev3.pptx
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What y ou need t o k no w • ICND1 (cont) – IPv4 Serv ices • Basic IP v4 Access Contr ol List s • Advanced IPv4 ACLs and Device Security • Netwo rk A ddr ess Translation
– IP Vers ion 6 • Fund amentals of IP Versi on 6 • IPv6 Addressing and Subn etin g • Impl ementing IPv6 Addr essi ng on Rout ers • Impl ementing IPv6 Addr essi ng on Host s • Implementing IPv6 Routing
ZeroToCCNA.-rev3.pptx
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What y ou need t o k no w • ICND2 – LAN S wit chin g • Vir tu al LANs • Spanni ng Tree Pro to co l • Trou bleshoot ing LA N Swit chin g
– IP Versi on 4 Rout in g • Troubleshooting Routing • Creati ng Redu ndant Fir st-Hop R ou ters • Vir tu al Pri vate Networ ks
– IP Versi on 4 Rou tin g Prot oco ls
• Impl ementi ng OSPF fo r IPv4 • Impl ementi ng EIGRP fo r IPv4 • Troubleshooting Routing Protocol s
ZeroToCCNA.-rev3.pptx
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What y ou need t o k no w • ICND2 (cont) – Wid e Ar ea Netw or ks • Implementin g Point -to-P oi nt WANs • Frame Relay Conc ept s & Impl ementatio n • Ident ify in g Other T yp es of WANs
– IP Vers ion 6 • Trou bleshoo ting IPv6 Rout ing • Impl ementi ng OSPF fo r IPv6
– Netw or k Management • Managin g Netw or k Devic es • Managi ng IOS Fil es • Managin g IOS Li censi ng ZeroToCCNA.-rev3.pptx
19
Agenda • Why Cert if y? • Getti ng your p rio rit ies str aigh t. • What yo u n eed t o k no w. • Learn in g Reso ur ces • Getti ng Organi zed • Valuable(?) Tips
ZeroToCCNA.-rev3.pptx
20
Books CCNA 200-120 Official Cert Library, Updated 3rd Edition by Odom, Wendell
Cisco Press ISBN-10: 1-58714-387-9 ISBN-13: 978-1-58714-387-8 •2 Book Set w/DVD’s • • •
ICND1 100-101 Official Cert Guide ICND2 200-101 Official Cert Guide 26 free CCNA Network Simulator labs
Available: www.nerdbooks.com 1681 Firman Drive Richardson, TX 75081
ZeroToCCNA.-rev3.pptx
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Books CCNA Delux e Stu dy Gui de, 1st Edition by Todd Lammle & William Tedder
Sybex ISBN-10: 1118789709 ISBN-13: 978-1118789704
•Includes Bonus Study Tools • • • •
Practice Test Environment with > 1000 Questions CCNA Virtual Lab 4.0 Lite Network Simulator Audio and Video from CBT Nuggets E-Book Versions available
Available: www.nerdbooks.com 1681 Firman Drive Richardson, TX 75081
ZeroToCCNA.-rev3.pptx
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Books CCNA Rout ing & Switch ing Certifi cation Kit Exam s 100-101, 200-201, 200-120 by Todd Lammle & William Tedder
Sybex ISBN-10: 111878958X ISBN-13: 978-1118789582 •Boxed Set • • •
CCNA Routing and Switching Study Guide CCNA Virtual Lab, Titanium Edition 4.0 CCNA Review Guide, with CDROM
Available: www.nerdbooks.com 1681 Firman Drive Richardson, TX 75081
ZeroToCCNA.-rev3.pptx
23
Search Engines • Use as a su pp leme nt to yo ur readi ng – Read so methi ng a nd y ou s til l don ’t g et it ?
• Not eve ry author ’s expl anatio n wil l work f or yo u.
– Goog le the top ic • Tons of s ites wil l co me up – Try t o Google a specifi c questio n to narrow th e results
• One of them shoul d expl ain i t in a way th at wo rks f or you.
ZeroToCCNA.-rev3.pptx
24
Forums • Discussions • Pos t Que st io ns
– Cis co L earn in g Netw or k learningnetwork.cisco.com
• Offi ci al Cisco Certi fi cation Web Site
– Cisco Suppor t Community supportforums.cisco.com
–• Many otahers Goog le question to f ind oth er Foru ms
ZeroToCCNA.-rev3.pptx
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CCO - Cis co Con nect io n On-Li ne • Get acc ess to all Cis co Doc um ent ati on – Com mand Reference – Conf igu ratio n Guid e
• Create an acc ou nt if yo u d on ’t have one – You ’l l need it any way.
ZeroToCCNA.-rev3.pptx
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CCO - Cisc o Con nect io n On-Li ne
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CCO - Cisc o Con nect io n On-Li ne
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CCO - Cisc o Con nect io n On-Li ne
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CCO - Cisc o Con nect io n On-Li ne
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CCO - Cisc o Con nect io n On-Li ne
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CCO - Cisc o Con nect io n On-Li ne
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Videos • Bowler CBT DVD’s – Cisc o R&S Seri es 1 and 2
• Covers R&S CCNA th ro ug h CCIE – RIP, OSPF, EIGRP, BGP Redistribution, ACL’s, etc – Uses GNS3 – Allows you to pause video and follow along.
• Curr ent ly (con tin uo usl y? ) on s ale $125 – Li st Pri ce: $4 99
– Oth er c ou rs es ava il abl e
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Videos • CBT Nuggets – CCNA th ro ug h CCIE
• R&S, Data Center, Wireless , mo re . . . • ICND1 Course htt p:// www.cbtnu ggets.com/it-training /cis co-ccna- icn d1-100-101
• ICND2 Course htt p:// www.cbtnu ggets.com/it-training /cis co-ccna- icn d2-200-101
• Vir tu al Labs •• Offline Training Practi ce Exa ms • Coaches ZeroToCCNA.-rev3.pptx
34
Videos • CBT Nuggets – Pricing
• Free – Seven Da y Tri al • Basic Pla n – Monthly $99 • Premium Plan – Six Months $564 – Test Prep, Vir tu al Lab, Mob il e Devic e, Coaches – Cont act Heid i and g et fr ee T-Shi rt or Hat » Tell h er yo u l earn ed abou t CBT Nugg ets @ DFWCUG
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CUG Study Gro up • DFW Cisc o Use rs Grou p – Perio dic Stud y Groups
• CCNA, CCNP, CCIE • Typ ic ally meet on ce a week • Check wi th CUG Train in g Off ic er
– Col lecti ve Learn in g • No Instr ucto r • Each member ta kes t urn prese nti ng a top ic to g rou p. – OSPF, EIGRP, STP, etc
ZeroToCCNA.-rev3.pptx
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Mentor • Fri end or Relativ e – CCNP, CCIE or equ ivalent exp eri enc e – Get t og eth er v ia WebEx or Cit ri x – Revi ew/Dis cu ss Readi ng Materi al – Wor k on Lab tog eth er
ZeroToCCNA.-rev3.pptx
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Class roo m Train in g • Cis co Ac ademy – DCCCD & TCC – CCNA Cou rses (1 Semest er each) • Cisco Explo ration 1 - Networ k Fund amentals • Cisco E xploration 2 - Routing Protocol s & C once pts • Cisco Exploration 3 - LAN Switc hin g and Wirele ss • Cisco Exploration 4 - Accessing th e WAN
– Uses “ Pack et Trace r” Sim ul ato r
ZeroToCCNA.-rev3.pptx
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Class roo m Train in g • DCCCD & TCC – CCNA Cou rses (1 Semest er each)
• Cisco Explo ration 1 - Networ k Fund amentals • Cisco E xploration 2 - Routing Protocol s & C once pts • Cisco Exploration 3 - LAN Switc hin g and Wirele ss • Cisco Exploration 4 - Accessing th e WAN
– CCNP Cou rses (1 Semest er each) • CCNP Rou ti ng - Impl ementin g IP Rou ti ng • CCNP Swi tch - Imp leme nt in g IP Swit chi ng • CCNP TSHOOT - Main tain in g & Tro ub lesh oo ti ng IP Networks ZeroToCCNA.-rev3.pptx
39
Class roo m Train in g • Glo bal Kno wl edg e – CCNA Courses
• CCNAX v2. 0 - CCNA R&S Bo ot Camp – 5 Day Cou rs e – $3695 USD or 37 Cisc o L earn in g Credi ts
• ICND1 - Int erco nn ecti ng Cisco Ne two rk Devic es 1 – 5 Day Cou rs e – $3295 USD or 33 Cisc o L earn in g Credi ts
• ICND2 - Int erco nn ecti ng Cisco Ne two rk Devic es 2 – 5 Day Cou rs e – $3295 USD or 33 Cisc o L earn in g Credi ts
ZeroToCCNA.-rev3.pptx
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Class roo m Train in g • INE (Int ern etw or k Exp erts ) – CCNA
• CCNA Rou ti ng & Switc hi ng Onli ne Work bo oks • CCNA Rou ti ng & Swi tch in g Cours es • CCNA Rou ti ng & Swi tch in g Practic e Exams • CCNA Rou ti ng & Switc hi ng Traini ng B un dl e
– Free On-Li ne CCNA Cou rse Materi al!! • Goog le “ INE CCNA Free” – “ 640-802 CCNA Exam C our se - Intr oduc tio n - INE.com ” – Old t est m ateria l but sti ll very useful – Also on INE Training YouTube Channel ZeroToCCNA.-rev3.pptx
41
Class roo m Train in g • Bootcamps – CCNA, CCNP & CCIE Exam/Lab Bootcamp s • Int ens e 1-2 Week Cou rse • Prepare s yo u fo r all aspects o f th e Exam/ Lab
– Most CC NA Exam Simul ato rs don ’t have a ll CLI C omm ands » You nee d to k now exa ctly “ how” they e xpect you to so lve the problem. » Your preferred solut ion may not b e acce ptable e ven thou gh i t is a goo d answer .
– Basica lly th ere are 3 ways to a nswer » The rig ht w ay » The wro ng w ay » The CCNA way ZeroToCCNA.-rev3.pptx
You want th is on e 42
Class roo m Train in g • Bootcamps – Question:
• Why are there 3 ways t o answ er!! !
– Answer: • CCNA/CCNP Train in g teach es Rou ti ng li ke yo u were in Ele menta ry Scho ol . – They o ften omit certain de tails to s implify the protoco l.
• The Exams of ten a ssu me thi s leve l o f kn ow ledge. – This ca n re sult in you giving the wrong “ right” answe r if you have studie d th e protocol in depth. – Bootca mps help te ach you wha t is the “ right” wrong a nswe r for t he te st! ZeroToCCNA.-rev3.pptx
43
IETF RFC’s • Read t he Protocol RFC’s – CCIE Stu dy Onl y! !!
• Rememb er t here’s t he Righ t Way, Wro ng Way & CCNA Way! • Thi s i sn ’t th e case fo r t he CCIE Test .
– Knowi ng exactly h ow the prot ocol wo rks oft en be ats t ryi ng to m emor ize con fi gur ati on commands. • If you know ho w the protocol works you can oft en use C LI Help to fin d w hat you need.
ZeroToCCNA.-rev3.pptx
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Practice Tests • Bo so n Pra ct ic e Test s – Mon ey Back Guara nt ee – Fail wi thi n 60 days of pur chase – CCNA • ExSim- Max for C isco 100-101 ICND1 • ExSim- Max for C isco 200-101 ICND2 • ExSim- Max fo r Cisc o 200-120 CCNA
$99 $99 $119
– CCNP • ExSim- Max for Cisco 300-101 ROUTE $99 • ExSim-M ax f or Cis co 300-115 SWITCH $99 • ExSim -Max f or Cis co 300-135 TSHOOT $99 ZeroToCCNA.-rev3.pptx
45
Practice Tests • Free Practice Tests 1 – Google for “ ExamColle ctio n”
• Requ ir es Visu al Exa m Certi fi cation sof tw are – Demo version is f ree (lim ited usage count) – Full versi on i s <$30
• Downl oad p ractic e tests for free – Cisc o, Micr osof t, others – Complete test in a single .vce file
– Google 9tut” • Practic efor que“ stio ns o n web site 1Warning
: Some of th ese sit es ma y be con sid ered ill egal by Cisco! Use at your own ris k. ZeroToCCNA.-rev3.pptx
46
Netw or k Sim ul ato rs GNS3 Ju ng le Beta Graphical Network Simulator Cost: Free Allows you to build networks Get “hands-on” experience www.gns3.com • Requires a copy of an IOS Image. You want 15.0 code for CCNA
• Requires some configuration to get it to run reliably.
ZeroToCCNA.-rev3.pptx
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Netw or k Sim ul ato rs Bo son CCNA Sim ul ato r Graphical Network Simulator Cost: $179 Allows you to build networks Get “hands-on” experience www.boson.com
ZeroToCCNA.-rev3.pptx
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Netw or k Sim ul ato rs Cis co Pack et Tracer Graphical Network Simulator Cost: Free • (Only through Cisco Academy) Allows you to build networks Get “hands-on” experience Not a full IOS CLI set (CCNA only)
ZeroToCCNA.-rev3.pptx
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Netw or k Sim ul ato rs Cisc o VIRL Graphical Network Simulator Cost: $199/year Allows you to build networks Get “hands-on” experience Covers IOS, IOS-XR, IOS-XE and NX-OS • Intro Video by CBT Nuggets http://www.cbtnuggets.com/ittraining/cisco-virtual-internetrouting-lab-virl • Cisco VIRL YouTube Channel https://www.youtube.com/chann el/UC41WuzXlJCGY5qLsuZ8aH kQ ZeroToCCNA.-rev3.pptx
50
Netw or k Sim ul ato rs • Cisco VIRL Videos – CBT Nug gets – Cis co VIRL Webi nar • 1:22 – 15:00 • 50:20 – 58:05
ZeroToCCNA.-rev3.pptx
– Overvie w – Sneak Peek at what’s next
51
Agenda • Why Cert if y? • Getti ng your p rio rit ies str aigh t. • What yo u n eed t o k no w. • Learn in g Reso ur ces • Getti ng Organi zed • Valuable(?) Tips
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52
How do yo u eat an Eleph ant ?
“One bite at a time!”
ZeroToCCNA.-rev3.pptx
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Eating the CCNA Elephant • Split it in to tw o pa rts – ICDN1 Test
• CCENT Certi fi cati on
– ICDN2 Test • CCENT + ICDN2 Test = CCNA
ZeroToCCNA.-rev3.pptx
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Knowledge Mental Vapor Pressure
Reading + Lab Work
Retention
Reading Only Time
ZeroToCCNA.-rev3.pptx
55
Knowledge Mental Vapor Pressure Knowledge Gap
Knowledge OSPF
EIGRP
Required Knowledge
Time Study OSPF ZeroToCCNA.-rev3.pptx
Study EIGRP 56
Knowledge Mental Vapor Pressure No Knowledge Gaps Knowledge OSPF
EIGRP
Required Knowledge
Study EIGRP
Time
Study OSPF ZeroToCCNA.-rev3.pptx
57
Timeline
WEEK1
WEEK2
ZeroToCCNA.-rev3.pptx
WEEK3
WEEK4
WEEK5
WEEK6
WEEK7
WEEK8
ICND1 TEST
58
Timeline
WEEK9
ZeroToCCNA.-rev3.pptx
WEEK10
WEEK11
WEEK12
WEEK13
WEEK14
WEEK15
ICND2 TEST
59
Agenda • Why Cert if y? • Getti ng your p rio rit ies str aigh t. • What yo u n eed t o k no w. • Learn in g Reso ur ces • Getti ng Organi zed • Valuable(?) Tips
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Sub net Calc ul ato r /0
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ADDRESS SUBNET-START
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/4
16 224
/CIDR
/5
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8 240
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/1 4
4 248
/ 15
2 252
CIDR1
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CIDR2
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CIDR3 CIDR4 HOST
1 254
255
MASK
MASK SUBNET-END
NEXT-SUBNET
61
Sub net Calc ul ato r /0
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32
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ADDRESS
/CIDR
10 .2 22. 5. 21
/ 29
SUBNET-START
1 0.2 22 .5 .16
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8 240
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/1 4
4 248
/ 15
2 252
CIDR1
-
CIDR2
/ 32
CIDR3 CIDR4 HOST
1 254
255
MASK
MASK
2 55 .25 5. 25 5.2 48
SUBNET-END
NEXT-SUBNET
10.222.5.23
1 0.2 22 .5 .24
62
Sub net Calc ul ato r /0
/1
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/9
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/1 1
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32
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ADDRESS
/CIDR
19 2. 168 .3 .1 76
/ 27
SUBNET-START
1 92. 16 8. 3.1 60
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8 240
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/1 4
4 248
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2 252
CIDR1
-
CIDR2
/ 32
CIDR3 CIDR4 HOST
1 254
255
MASK
MASK
2 55 .25 5. 25 5.2 24
SUBNET-END
NEXT-SUBNET
192.168.3.191
1 92. 16 8. 3.1 92
63
Sub net Calc ul ato r /0
/1
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/9
/1 0
/1 1
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64
32
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ADDRESS
/CIDR
10 .2 22. 13 3. 21
/ 20
SUBNET-START
1 0.2 22 .1 28. 0
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8 240
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/1 4
4 248
/ 15
2 252
CIDR1
-
CIDR2
/ 32
CIDR3 CIDR4 HOST
1 254
255
MASK
MASK
2 55 .25 5. 24 0.0
SUBNET-END
NEXT-SUBNET
10.222.143.255
1 0.2 22 .1 44. 0
64
Sub net Calc ul ato r /0
/1
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/9
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32
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ADDRESS
/CIDR
10 .2 22. 5. 21
/ 29
SUBNET-START
1 0.2 22 .5 .16
ZeroToCCNA.-rev3.pptx
/5
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8 240
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/1 4
4 248
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2 252
CIDR1
-
CIDR2
/ 32
CIDR3 CIDR4 HOST
1 254
255
MASK
MASK
2 55 .25 5. 25 5.2 48
SUBNET-END
NEXT-SUBNET
10.222.5.23
1 0.2 22 .5 .24
65
Sub net Pract ic e
10.244.3.2/30
10.244.3.5/30
172.155.5.1/23
A 172.155.4.111/23
172.155.10.1/22
B 172.155.5.111/23
C 172.155.11.202/22
D 172.155.10.12/22
Host “A” is unable to communicate with Host “C”. Why? ZeroToCCNA.-rev3.pptx
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Sub net Calc ul ato r /0
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ADDRESS
17 2. 155 .5 .1
SUBNET-START
1 72. 15 5. 4.0
ZeroToCCNA.-rev3.pptx
32
/4
16 224
/CIDR
/ 23
/5
/6
/13
8 240
/7
/1 4
4 248
/ 15
2 252
CIDR1
-
CIDR2
/ 32
CIDR3 CIDR4 HOST
1 254
255
MASK
MASK
2 55 .25 5. 25 4.0
SUBNET-END
NEXT-SUBNET
172.155.5.255
1 72. 15 5. 6.0
67
Sub net Pract ic e
10.244.3.2/30
10.244.3.5/30
172.155.5.1/23
A 172.155.4.111/23
172.155.10.1/22
B 172.155.5.111/23
C 172.155.11.202/23
D 172.155.10.12/23
172.155.4.0 – 172.155.5.255
ZeroToCCNA.-rev3.pptx
68
Sub net Calc ul ato r /0
/1
/2
/3
/8
/9
/1 0
/1 1
/ 12
/ 16
/ 17
/1 8
/1 9
/ 20
/21
/2 2
/ 23
/ 24
/ 25
/2 6
/2 7
/ 28
/29
/3 0
/ 31
2 56
1 28
0
128
64 192
32
/4
16 224
ADDRESS
/CIDR
17 2. 155 .1 0. 1
/ 22
SUBNET-START
1 72. 15 5. 8.0
ZeroToCCNA.-rev3.pptx
/5
/6
/13
8 240
/7
/1 4
4 248
/ 15
2 252
CIDR1
-
CIDR2
/ 32
CIDR3 CIDR4 HOST
1 254
255
MASK
MASK
2 55 .25 5. 25 2.0
SUBNET-END
NEXT-SUBNET
172.155.11.255
1 72. 15 5. 12. 0
69
Sub net Pract ic e
10.244.3.2/30
10.244.3.5/30
172.155.5.1/23
A 172.155.4.111/23
172.155.10.1/22
B 172.155.5.111/23
172.155.4.0 – 172.155.5.255
ZeroToCCNA.-rev3.pptx
C 172.155.11.202/22
D 172.155.8.12/22
172.155.8.0 – 172.155.11.255
70
Sub net Calc ul ato r /0
/1
/2
/3
/8
/9
/1 0
/1 1
/ 12
/ 16
/ 17
/1 8
/1 9
/ 20
/21
/2 2
/ 23
/ 24
/ 25
/2 6
/2 7
/ 28
/29
/3 0
/ 31
2 56
1 28
0
128
64 192
32
/4
16 224
ADDRESS
/CIDR
10 .2 44. 3. 2
/ 30
SUBNET-START
1 0.2 44 .3 .0
ZeroToCCNA.-rev3.pptx
/5
/6
/13
8 240
/7
/1 4
4 248
/ 15
2 252
CIDR1
-
CIDR2
/ 32
CIDR3 CIDR4 HOST
1 254
255
MASK
MASK
2 55 .25 5. 25 5.2 52
SUBNET-END
NEXT-SUBNET
10.222.3.3
1 0. 244 .3 .4
71
Sub net Pract ic e 10.244.3.0 – 10.244.3.3
10.244.3.2/30
X
10.244.3.5/30
172.155.5.1/23
A 172.155.4.111/23
172.155.10.1/22
B 172.155.5.111/23
172.155.4.0 – 172.155.5.255
ZeroToCCNA.-rev3.pptx
C 172.155.11.202/22
D 172.155.8.12/22
172.155.8.0 – 172.155.11.255
72