6-1. What is the IP Address range of APIPA? A. 169.254.0.1 to 169.254.0.254 B. 169.254.0.1 to 169.254.0.255 C. 169.254.0.1 to 169.254.255.254 D. 169.254.0.1 to 169.254.255.255 6-2. Which of the following is correct in VLSM? A. Can have subnets of different sizes B. Subnets must be in same s ame size C. No reuired of subnet D. A!! of above 6-3. What does the ort n!"#er in a $%P connection secif&? A. "t s#e$ifies the $ommuni$ation #ro$ess on the t%o end s&stems B. "t s#e$ifies the ua!it& of the data ' $onne$tion C. "t s#e$if& the size of data D. A!! of the above 6-'. $he class-#ased addressing is also (nown as A. (odern (ode! B. C!assfu! (ode! C. C!ass!ess (ode! D. )etero*eneous (ode! 6-). Which of the following is correct in %I*+? A. C!ass A in$!udes C!ass B net%or+ B. ,here are on!& t%o net%or+s C. ,here are hi*h ' !o% $!ass net%or+ D. ,here is no $on$e#t of $!ass A- B- C net%or+s 6-6. What is the si,e of So!rce and *estination IP address in IP header? A. 4 bits B. bits C. 16 bits D. /2 bits 6-. Which of the following is relia#le co""!nication? A. ,C B. " C. D D. A!! of them 6-. What is the t&ical range of /he"eral orts? A. 1 to 0 B. 1 to 1024 C. 0 to 00 D. 1024 to 655/5 6-0. What is the !rose of the PS flag in the $%P header? A. ,&#i$a!!& used to indi$ate end of messa*e B. ,&#i$a!!& used to indi$ate be*innin* of messa*e C. ,&#i$a!!& used to #ush the messa*e D. ,&#i$a!!& used to indi$ate sto# the messa*e 6-1. What is the nat!ral "as( for a class % etwor(? A. 255.255.255.1 B. 255.255.255.0 C. 255.255.255.254 D. 255.255.255.255
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1–C/2–A/3–A/4–B/5–D/6–D/7– A/8–D/9–A/ 10 – B
1-1 %o"!ter etwor( is A. Co!!e$tion of hard%are $om#onents and $om#uters B. "nter$onne$ted b& $ommuni$ation $hanne!s C. Sharin* of resour$es and information D. A!! of the Above 1-2 What is a 4irewall in %o"!ter etwor(? A. ,he #h&si$a! boundar& of Net%or+ B. An o#eratin* S&stem of Com#uter Net%or+ C. A s&stem desi*ned to #revent unauthorized a$$ess D. A %eb bro%sin* Soft%are 1-3 ow "an& la&ers does 5SI +eference Model has? A. 4 B. 5 C. 6 D. 1-' *%P is the a##reiation of A. D&nami$ )ost Contro! roto$o! B. D&nami$ )ost Confi*uration roto$o! C. D&nami$ )&#er Contro! roto$o! D. D&nami$ )&#er Confi*uration roto$o! 1-) IPV' Address is A. bit B. 16 bit C. /2 bit D. 64 bit 1-6 *S is the a##reiation of A. D&nami$ Name S&stem B. D&nami$ Net%or+ S&stem C. Domain Name S&stem D. Domain Net%or+ Servi$e 1- What is the "eaning of 7andwidth in etwor(? A. ,ransmission $a#a$it& of a $ommuni$ation $hanne!s B. Conne$ted Com#uters in the Net%or+
C. C!ass of " used in Net%or+ D. None of Above 1- A*SL is the a##reiation of A. As&mmetri$ Dua! Subs$riber 3ine B. As&mmetri$ Di*ita! S&stem 3ine C. As&mmetri$ Dua! S&stem 3ine D. As&mmetri$ Di*ita! Subs$riber 3ine 1-0 What is the !se of 7ridge in etwor(? A. to $onne$t 3ANs B. to se#arate 3ANs C. to $ontro! Net%or+ S#eed D. A!! of the above 1-1 +o!ter oerates in which la&er of 5SI +eference Model? A. 3a&er 1 h&si$a! 3a&er B. 3a&er / Net%or+ 3a&er C. 3a&er 4 ,rans#ort 3a&er D. 3a&er A##!i$ation 3a&er
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1–D/2–C/3–D /4–B/5–C/ 6–C/7–A/8–D/ 9–A/ 10 – B
Multiple Choice Questions of Computer Networking 21EachI Ppacketmustcont ai n A.On l ySo u r c ead dr e s s B.Onl yDes t i nat i onaddr es s C.Sou r c ean dDe s t i n at i o nad dr e ss D.Sou r c eo rDe s t i n at i ona dd r e s s 22Br i dgewor ksi nwhi chl ayeroft heOSImodel ? A.Appl i at i onl ay er B.T r a ns por tl ay er
C.Ne t wo r kl a y er D.Dat al i nkl ay er 2 3__ __ __ _pr o vi de saconne c t i onor i e nt e dr e l i a bl ese r v i c ef ors endi ngme ss age s A.TCP B.I P C.UDP D.Al l oft heabo ve 2 4Whi c hl a y er soft heOSImode la r ehos t t ohos tl a y er s ? A.T r a ns por t ,Ses si on,Per s ent at i on,Appl i c at i on B.Ne t wor k ,T r ans por t ,Ses si on,Pr es ent at i on C.Dat al i nk ,Ne t wor k ,T r ans por t ,Ses si on D.Ph ys i c al ,Dat al i nk ,Ne t wor k ,T r ans por t 2 5Whi c hoft hef ol l owi ngI Pa ddr e sscl a ssi sMul t i c as t A.Cl a s sA B.Cl a s sB C.Cl a s sC D.Cl a s sD 2 6Whi c hoft hef ol l owi ngi scor r e c tr e ga r di ngCl a ssBAddr e ssofI Pa ddr e ss A.Ne t wor kbi t–14,Hos tbi t–16 B.Ne t wor kbi t–16 ,Ho stbi t–14 C.Ne t wor kbi t–18,Hos tbi t–1 6 D.Ne t wor kbi t–12,Hos tbi t–1 4 2 7Thel a sta ddr e ssofI Pa ddr e s sr e pr e se nt s A.Uni c as tad dr e ss B.Ne t wo r ka d dr e s s C.Br o ad c as ta dd r e s s D.Noneofabove 28How manybi t sar et her ei nt heEt her netaddr ess? A.64bi t s B.48bi t s C.32bi t s D.16bi t s 29How manyl ayer sar ei nt heTCP/ I Pmodel ? A.4l a yer s B.5l a yer s C.6l a y er s D.7l a y er s 2 1 0Whi c hoft hef ol l owi ngl a y erofOSImode la l s oc al l e de ndt oe ndl a y er ? A.Pr es ent at i onl a yer B.Ne t wo r kl a y er
C.Se ss i o nl a y er D.T r ans por tl a y er
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1–C/2–D/3–A/4–A/5–D/6–A/7– C/8–B/9–A/ 10 – D
Multiple Choice Questions of Computer Networking 3 1 .WhyI PPr ot oc oli scons i de r e da sunr e l i a bl e ? A.Ap ac k e tma yb el o s t B.Pa ck e t sma yar r i v eo utofo r der C.Du pl i c a t ep ac k e t sma ybeg en er a t e d D.Al l oft heabo ve 32.Whati st hemi ni mum headersi zeofanI Ppacket ? A.1 6b y t e s B.1 0b y t e s C.20by t e s D.32by t e s 3 3 .Whi c hoff ol l owi ngpr o vi de sr e l i a bl ec ommuni c at i on? A.TCP B.I P C.UDP D.Al l oft heabo ve 3 4 .Wha ti st headdr e sssi z eofI Pv 6? A.32bi t B.64bi t C.12 8b i t D.25 6b i t
3 5 .Wha ti st hesi z eofNe t wor kbi t s& Hos tbi t sofCl a ssA ofI Pa ddr e s s? A.Net wor kbi t s7,Hos tbi t s24 B.Ne t wor kbi t s8,Hos tbi t s24 C.Ne t wor kbi t s7,Hos tbi t s23 D.Ne t wor kbi t s8,Hos tbi t s23 36.WhatdoesRout erdoi nanet wor k? A.For war dsapac k ett oal l out goi ngl i nk s B.For war dsapac k ett ot hene xtf r eeout goi ngl i nk C.De t er mi ne so nwhi c ho ut i ngl i nkapa ck e ti st obef or war d ed D.For war dsapac kett oal l out goi ngl i nk se xc eptt heor i gi nat edl i nk 3 7 .TheI nt e r n eti sa ne x ampl eof A.Cel l s wi t c hedne t wor k B.c i r c ui ts wi t c hednet wor k C.Pa ck e ts wi t c he dne t wo r k D.Al l ofabov e 38.Whatdoespr ot ocoldefines? A.Pr o t o c ol d efi n eswh atd at ai sc o mmu ni c a t e d. B.Pr o t o c ol d efi n esh o wd at ai sc o mmu ni c a t e d. C.Pr o t o c o ld e fi ne swh end at ai sc o mmu ni c a t e d. D.Al l ofabov e 3 9 .Wha ti st heus esofs ubne t t i ng? A.I tdi v i desonel ar genet wor ki nt os ev er al s mal l erones B.I tdi v i desnet wor ki nt onet wor kcl as ses C.I ts pe ed supt hes pee do fn et wo r k D.Noneofabove 3 1 0 .Re pe at e rope r a t e si nwhi c hl a y eroft heOSImode l ? A.Ph ys i c al l a y er B.Dat al i nkl ay er C.Ne t wo r kl a y er D.T r ans por tl a y er
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1–D/2–C/3–A/4–C/5–A/6–C/7– C/8–D/9–A/ 10 – A
Multiple Choice Questions of Computer Networking 4 1 .Wha ti st hebe ne fitoft heNe t wor k i ng? A.Fi l eShar i ng B.Ea s i e ra c c es st oRe s ou r c e s C.Ea s i e rBa c k u p s D.Al l oft heAbo ve 4 2 .Whi c hoft hef ol l o wi ngi snott heNe t wor k i ngDe v i c es ? A.Gat eways B.Li nux C.Ro ut e r s D.Fi r ewal l s 43.Whati st hesi zeofMACAddr ess? A.16bi t s B.32bi t s C.48bi t s D.64bi t s 4 4 .Whi c hoft hef ol l o wi ngc anbeSof t wa r e ? A.Ro ut er s B.Fi r ewal l s C.Gat eway D.Mod ems 45.Whati st heuseofPi ngcommand? A.T ot es tade vi c eont hene t wor ki sr e ac ha bl e B.T ot es tahar ddi s kf aul t C.T ot es tabugi naAppl i c at i on D.Tot es taPi nt erQual i t y 46.MACAddr essi st heexampl eof A.T r an sp or tL ay e r
B.Da t aL i n kLa y e r C.Appl i c at i onLa y er D.Ph y s i c al L ay e r 4 7 .Rout i ngt a bl e sofar o ut e rk e epst r a ckof A.MACAddr essAss i gnment s B.Po r t As s i g nmen t st on et wo r kde v i c es C.Di s t r i but eI Paddr es st one t wor kde vi c es D.Rout est ous ef orf or war di ngdat at oi t sdes t i nat i on 48.La ye r 2Swi t chi sal socal l ed A.Mul t i por tHub B.Mul t i por tSwi t c h C.Mul t i por tBr i dge D.Mul t i por tNI C 49.Di ffer encebet weenT568AandT568B i s A.Di ff er enc ei nwi r ecol or B.Di ff er e nc ei nn umb ero fwi r e s C.J us tdi ffer entl engt hofwi r es D.J us tdi ff er entman uf a ct ur ers t andar d s 4 1 0 .Theme ani ngofSt r a i ght t hr oughCa bl ei s A.Fo urwi r epa i r sc o nn ec tt ot h es amepi nonea chen d B.Th ec a bl eWh i c hDi r e c t l yc o nn ec t sCo mp ut e rt oCo mp ut e r C.Fourwi r epai r snott wi s t edwi t heac hot her D.Thec abl ewhi c hi sno tt wi s t ed
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1–D/2–B/3–C/4–B/5–A/6–B/7–D/8–C/9–D/ 10 – A
Multiple Choice Questions of Computer Networking 5 1Whi c hoft hef ol l owi ngi snott heEx t e r na lSe cur i t yThr e at s ? A.Fr ont doorThr eat s B.Ba ck do orTh r e at s C.Un de r g r o un dTh r e at s D.Den i al o fSe r v i c e( Do S) 5 2Wha ti st heDe mi l i t a r i z e dZone ? A.Th ea r eab et we enfi r e wal l &c on ne c t i o nt oa ne x t e r n al n et wo r k B.Th ea r e ab et we enI SPt oMi l i t a r yar e a C.Th ea r e as u r r o un de db ys ec u r e ds e r v e r s D.Thea r e as ur r oun dedbyt heMi l i t ar y 5 3Wha ti st hef ul lf or m ofRAI D? A.Re du nd an tAr r a yofI n de pe nd en tDi s k s B.Red un dan tAr r a yofI mp or t a ntDi s k s C.Random Accessof I ndependentDi sks D.Ra n do m Ac c e s so fI mp or t a ntDi s k s 54Whati st hemaxi mum headersi zeofanI Ppacket ? A.3 2b y t e s B.6 4b y t e s C.30by t e s D.60by t e s 5 5Wha ti st hesi z eofHos tbi t si nCl a s sBofI Pa ddr e ss ? A.0 4 B.0 8 C.1 6 D.3 2 5 6Wha ti st heus a bl esi z eofNe t wor kbi t si nCl a ssBofI Pa ddr e ss ? A.0 4 B.0 8 C.1 4 D.1 6 5 7I nwhi c ht y peofRAI D,da t ai smi r r or e dbe t we e nt wodi s k s. A.RAI D0 B.RAI D1 C.RAI D2 D.RAI D3 58Whatdoyoumeanbybr oadcast i ngi nNet wor ki ng? A.I tme ansaddr es s i n gapac k ett oal l mac hi ne B.I tme an sad dr e s s i n gapa c k e tt os omema c hi n e
C.I tmean saddr es s i ngapac k ett oapar t i c ul armac hi ne D.I tmean saddr es s i ngapac k ett oex c ep tapar t i c ul armac hi ne 5 9Whi c hoft hef ol l owi ngi s/ a r ePr ot ocol sofAppl i c at i on? A.FTP B.DNS C.T el n et D.Al l ofabov e 5 1 0Whi c hoft hef ol l owi ngpr ot oc oli s / a r ede fine di nT r a ns por tl a y er ? A.FTP B.TCP C.UDP D.B&C
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1–C/2–A/3–A/4–D/5–C/6–C/7– B/8–A/9–D/ 10 – D
