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E2-E3 CFA CORE SUBJECT

1. The overall objective of Project o!tii! to re"#ce "ecli$e i$ BS%&'! PCO B#!i$e!!.

2. (o!t co))o$l* #!e" (e"i#) acce!! tech$i+#e for Star , B#! tooloie! i! CS(A /ith C.

3. Ether$et (e"ia i! a!!ive a$" o/er i! ta0e$ fro) co)#ter. Tr#e

. 4$ CS(A5C6 if colli!io$ i! "etecte" "#ri$ tra$!)i!!io$6 aja))i$!i$al i! tra$!)itte" !o that

!tatio$! ca$ 0$o/ abo#t colli!io$ a$" cea!e tra$!)i!!io$.

7. FCS !ta$"! for Fra)e Chec0 Se+#e$ce.

8. (AC a""re!! i! 9bit lo$.

:. &&C !ta$"! for &oical &i$0 Co$trol.

9. S(TP !ta$"! for Si)le (ail Tra$!fer Protocol.

;. FTP !ta$"! for File Tra$!fer Protocol.

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2. The t/o rotocol! #!e" b* tra$!ort la*er are Tra$!)i!!io$ Co$trol Protocol @TCP a$" U!er

atara) Protocol @UP.

27. 4$terit* of ac0et! i! #ara$tee" i$ 4P= thro#h chec0!#)!.

28. efa#lt TT& for the 4P i! 8.

2:. 4C(P i! #!e" to reort the error )e!!ae bac0 to the !o#rce.

29. Flo/ co$trol i! the roce!! of )a$ai$ the rate of "ata tra$!)i!!io$ bet/ee$ t/o $o"e! to reve$t a

fa!t !e$"er fro) o#tr#$$i$ a !lo/ receiver.

2;. A! each ate/a* roce!!e! the "atara)6 it "ecre)e$t! TT& b* o$e.

3o!t Part a$" the %et/or0 Part.

31. TCP !ta$"! for Tra$!)i!!io$ Co$trol Protocol.

32. UP !ta$"! for U!er atara) Protocol.

33. 4C(P !ta$"! for 4$ter$et Co$trol (e!!ae Protocol.

3. 4(P !ta$"! for 4$ter$et ro# (a$ae)e$t Protocol.

37. 4P a""re!! ver!io$ i! 32 bit! lo$.

38. 277.

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3. Dhat are the fiel"! re!e$t i$ 4P a""re!!

%eti" a$" >o!ti".

%eti" ortio$ of the i a""re!! that i"e$tifie! the $et/or0.

>o!ti" ortio$ of the i a""re!! that i"e$tifie! the ho!t or ro#ter o$ the $et/or0!.

. The fo#r la*er! of TCP54P areG-a Alicatio$ &a*er

b Tra$!ort &a*er

c 4$ter$et &a*er

" %et/or0 4$terface &a*ere All the above

Correct a$!/er i! e all the above.

7. The core rotocol! of the Tra$!ort &a*er are TCP a$" UP.

8. TCP rovi"e! a o$e to o$e6 co$$ectio$ orie$te" a$" reliable co))#$icatio$ !ervice.

:. UP rovi"e! a o$e to )a$*6 co$$ectio$le!! a$" #$reliable co))#$icatio$ !ervice.

9. The )o!t /i"el* #!e" alicatio$ la*er rotocol! areG-

a >TTP

b FTP

c S(TP" Tel$et

e All the above

Correct a$!/er i! e all the above.

;.%S !ta$"! for o)ai$ %a)e S*!te).

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a >o!t 4P a""re!!

b irect Broa"ca!t a""re!!

c &i)ite" Broa"ca!t a""re!!

" %et/or0 a""re!!

Correct a$!/er i! a >o!t 4P a""re!!

81 . 4"e$tif* the follo/i$ 4P a""re!! 18;.7.277.277a >o!t 4P a""re!!

b irect Broa"ca!t a""re!!

c &i)ite" Broa"ca!t a""re!!

" %et/or0 a""re!!Correct a$!/er i! b irect Broa"ca!t a""re!!

82. A "evice ha! t/o 4P a""re!!e!. The "evice co#l" be

A A co)#ter

B A ro#ter

c A ate/a*

" A$* of the above

Correct a$!/er i! "

83. A ho!t /ith a$ 4P a""re!! of 12.7.

:2.Dhat i! a$ 4P a""re!!

A$ 4P a""re!! i! a 32 - bit a""re!! that #$i+#el* a$" #$iver!all* "efi$e the co$$ectio$ of a ho!t or a

ro#ter to the 4$ter$et.

The !e$"er )#!t 0$o/ the 4P a""re!! of the "e!ti$atio$ co)#ter before !e$"i$ a ac0et.

:3. Dhat are the cateorie! of 4P a""re!!e!

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4P a""re!!e! /ere "ivi"e" i$to five cateorie! a! follo/!.

Cla!! A

Cla!! B

Cla!! C

Cla!!

Cla!! E

:. i!c#!! the cla!! fiel" i$ 4P a""re!!.

4f the a""re!! i! ive$ i$ bi$ar* $otatio$6 the fir!t fe/ bit! ca$ tell #! the cla!! of the a""re!!.

Cla!! A - #b!

b (o"e)!

c S/itche!

" Ro#ter!

e ate/a*!

f All the above

Correct a$!/er i! f all the above.

17;. %et/or0 4$terface Car" @%4C li$0! the TE a$" CE.

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18. E1

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197. BER @Bit Error Rate i! )ea!#re" b* #!i$ variable atte$#ator.

198. OTR i! #!ef#l for chec0i$

1. Fiber lo!!

2. Slice lo!!

3. Co$$ector lo!!

. Fiber le$th7. Co$ti$#it* of fiber

8. Fa#lt localiatio$

:. All the above.

Correct a$!/er i! : all the above.

19:. A1 cit* core ro#ter! are f#ll* )e!he" bet/ee$ locatio$! o$ .. li$0.

a ST( 18

b ST( 1

c ST(

Correct a$!/er i! a ST( 18

199. B1 a$" B2 citie! have o$l*

a CORE

b EE

c PE" %o$e of the above

Correct a$!/er i! b EE

19;. 9< Port a$" above caacit* S&A(! /ill have .. ort for #li$0 traffic.

a FE

b E

c %o$e

Correct a$!/er i! b E

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b RPR

c OC&A%

" All the above

Correct a$!/er i! " all the above.

1;. 4PT= vie/er! have f#ll co$trol over

a Re/i$"b Fa!t for/ar"

c Pa#!e

" All the above

Correct a$!/er i! " all the above

1;7. 4SPERS4O% Srea"i$ of liht #l!e! t*e! areG-

a(OA&6

b(ATER4A&6

cDA=EU4E

" All the above

Correct a$!/er i! " All the above

1;8. %o$ i!er!io$ Shifte" fibre! are !#itable for

a T(

b D(

c F(

" %o$e of the aboveCorrect a$!/er i! b D(

1;:. Alicatio$! of otical atte$#ator! areG-

a To Si)#late the Ree$erator >o &o!! at the FF.

b To Provi"e &ocal &ooBac0 for Te!ti$.

c CTo )ea!#re the BitError Rate b* var*i$ theOtical Si$al at the Receiver 4$#t.

" "All the above

e Correct a$!/er i! " all the above

f

1;9. The objective of roject U"aa$ i! to i)rove QQQQQQQQQQQQQQQQQQQQQQQQQQQ

a (obile B#!i$e!!6

b PCO! B#!i$e!!6c &a$" li$e a$" Broa"ba$" B#!i$e!!6

" %e/ b#!i$e!!.

1;;. The objective of roject o!ti i! to i)rove QQQQQQQQQQQQQQQQQQQQQQQQQQQQ

a (obile B#!i$e!!6

b PCO! B#!i$e!!6

c &a$" li$e a$" Broa"ba$" B#!i$e!!6

" %e/ b#!i$e!!.

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a C#!to)er !ervice ce$ter

b &a$" li$e a$" broa"ba$" call ce$ter!

c CO6 S(S a$" /eb!ite!

" All above

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b Broa"ba$"6

c Thi$ba$"6

" All of the above

213. CS(A5C !ta$"! forQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

a Carrier !e$!e )#ltile acce!!5colli!io$ "etectio$6

b Co#rier !)art )ail acce!!5 carrie" "etectio$6c Coer !e$!e" )#lti acce!!5 carrier "etectio$6

" Coer !i$al )e!!ae acce!!5 coer "etectio$

21. Fra)e chec0 !e+#e$ce @FCS i! a 32 bit c*clic re"#$"a$c* chec0 ba!e" o$ all fiel"! of the fra)eeHcetQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

a Prea)ble

b Prea)ble a$" !tart fra)e "eli)iter6

c Prea)ble6 !tart fra)e "eli)iter a$" fra)e chec0 !e+#e$ce it!elf6

" %o$e of above

217. Ti)e To &ive @a$ 9 bit fiel" of 4$ter$et rotocol hea"er i! #!e"

forQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

a Rere!e$ti$ a co#$t !et b* orii$ator /hich i! "ecre)e$te" b* o$e at ever* ro#ter6

b Protocol i"e$tificatio$ #ro!e6

c Error "etectio$ #ro!e6

" All of the above

218. Dhe$ the co"e Bit AC1 i$ TCO !e)e$t QQQQQQQQQQQQQQQQQQ

a 4t )ea$! bei$$i$ of #re$t i$for)atio$.b 4t )ea$! bei$$i$ of >e"er of the $eHt TCP !e)e$t .

c 4t )ea$! the ac0$ole"e)e$t $#)ber i! vali" a$" TCP !e)e$t i! carr*i$ the

ac0$ole"e)e$t other/i!e $ot.

" %o$e of the above.

21:. The 4P a""re!! 178.28.3

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b Fo#r

c Five.

c T/o

222. .Pri)ar* %et/or0 Oerati$ ce$ter atQQQQQQQQQQQQQQQQQQQQQQQ

a %a#r

b . >*"eraba"c Ba$alore

" P#$e

e

22. i!a!ter Recover* %et/or0 Oerati$ ce$ter i! at QQQQQQQQQQQQQQQQQQQ%a#r>*"eraba"Ba$aloreP#$e

227 .QQQQQQQQQQS&A(6 /ill be areate" thro#h iabit Ether$et 4$terface.

a 8 ort

b 12< ort

c 2< ort

" 9< ort

228. The QQQQQQQQQQQQS&A( /ill have t/o FE i$terface.

a. 2< ortb. 9< ort

c. ;8< ort". 1

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@b.Cla""i$

@c Co$"#ctor

@" a,b

233. Fir!t otical /i$"o/ i! havi$ ce$tral fre+#e$c* ofG

a 97< $)

@b 177< $)@c 131< $)

@"18

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2;. Active Otical %et/or0 #!e" i$ FTT> /or0! o$ oi$t to QQQQQQQtoolo*.

@i Poi$t @ii )#ltioi$t @iii ra$"o) @iv All of above

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281. QQQQQQQQQQQQQQi! co$fi#re" a! the R !ite for ol0ata i$ CR Project.

a. Ba$alore b. P#$e c. >*"eraba"". Cha$"iarh

282. QQQQQQQQQQQQQQi! co$fi#re" a! the R !ite for Cha$"iarh i$ CR Project

a. Ba$alore b. P#$ec. >*"eraba" ". Cha$"iarh

283. The So#th a$" Ea!t o$e! are co$!i"ere" a!QQQQQQQQQQQQ.

a. Project-4

b. Project-44

28. %orth a$" De!t o$e! are co$!i"ere" a! the QQQQQQQQQQQ

a. Project-4

b. Project-44

287. The CR roject i! oi$ to relace all eHi!ti$ !*!te)! for Co))ercial6 TRA6 FRS a$" .

a. Tr#e

b. Fal!e

288. The roject /ill cover the c#!to)er care a$" billi$ for the follo/i$ !ervice!.

a. &a$"li$e

b. Broa"ba$"

c. C(A

". &ea!e" li$ee. All a6 b6 c , "

28:. OKT co$$ectio$ !hall be rovi"e" i$ CR

a. Tr#e

b. Fal!e

289. The tariff i$ CR S*!te) i! ba!e" o$ (OU @(i$#te! of U!ae ba!e" !*!te).

a. Tr#e

b. Fal!e

28;. Each &E ro#ter i! co$$ecte" to the Areatio$ Ro#ter thro#h E1 li$0!.

a. Tr#eb. Fal!e

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a. Proxyb. ataba!e

c. (ail

2:3. !ort! "i!atche! , "eliver! electro$ic )ail!.

a. ProH*

b. ataba!e

c. Mail

2:. ..li$0! ata Ter)i$al E+#i)e$t , ata Co))#$icatio$

E+#i)e$t.

a. (OE( 1b. NIC

c. Ro#ter

2:7. . i! h*!icall* a !tar toolo* b#t loicall* a B#! toolo*.

a. HUB

b. S/itch

c. Ro#ter

2:8. --------#!e! )aHi)#) available ba$"/i"th

a >UB

b &A% S/itche!

c. Ro#ter

2::. .QQQQQQQQQQ i! i$ter$et/or0i$ "evice /hich co$$ecte" $#)ber of &A%S.a. >UB

b. &A% S/itche!

c. Ro#ter

2:9.QQQQQQQQQQQQ i! !*!te) !oft/are.

a. Dor" Proce!!or

b. (#lti)e"ia

c. Operating System [ correct answer is c)Oerati$ S*!te)

2:;.All %T eHcha$e! !#ort

a4S%6

bCV:6

c=7.26 " ce$treH facilit*

e All the above.

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293.4$itial co"e for BS%& fiHe" li$e! i!.

A. 3

B. 2

C. 8

. :.

29. cha$$el !ee" i$ ca!e of BRA i!A. 18 b!

B. 8b!

C. 2

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c Co))o$ Cha$$el Si$alli$ S*!te)

" All of the above

2;3. Dhat are the t/o t*e! of "iital !i$ali$

a CAS

b CCS

cboth a a$" b" $o$e

2;. Dhich of the level! of CCS: i! calle" Si$alli$ "ata li$0

a level 1b level 2

c level 3

" level

2;7. Tra$!fer of )e!!ae! reliabl* o$ a$ i$"ivi"#al !i$ali$ li$0 i! the job of G-

a level 1

blevel 2

clevel 3

" level

2;8. %et/or0 (a$ae)e$t a$" )e!!ae ha$"li$ i! "o$e b* G-

a level 1

b level 2clevel 3

" level 2;:. Dhich level of CCS: i! re!o$!ible for ro#i$ of vario#! #!er art!

a level 1

b level 2

clevel 3

" level

2;9. The t/o )o"e! of "iital !i$ali$ are G-

a A!!ociate"

b #a!i-a!!ociate"

c both 1 a$" 2" $o$e

2;;. Dhat i! tr#e abo#t SSTP

a4t ha$"le! o$l* !i$ali$ traffic a$" $ot voice traffic.

b 4t i! "elo*e" i$ )ate" air!.

c 4t i! re+#ire" for (%P a$" la/f#l )e!!ae i$tercetio$ all are tr#e

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" alicatio$ la*er!

e All the above

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312. The %eHt e$eratio$ %et/or0 i!

a. $o$-ac0et ba!e" $et/or0 fal!e

b. serice relate! "#nctions are in!epen!ent o" #n!erlying transport relate!

tec$nologies %[tr#e&

c. "oe! $ot !#ort e$eralie" )obilit* ---fal!e

". !ecifie" i$terface! co)lia$t. fal!e

313. E#roea$ Teleco))#$icatio$ Sta$"ar"iatio$ 4$!tit#te @ETS4 "efi$e! the %%

a!

a. offer! oerator! )a$ae i$$ovative !ervice! #!i$ oe$ i$terface!b. for)al #$io$ of "iffere$t la*er! i$to o$e la*er

c. ba!e" o$ !/itchi$ latfor)

". ba!e" o$ AT( tech$olo*

31. 4$ %% the call co$trol f#$ctio$alitie! are relate" b* a co)o$e$t /hich i!

calle"

a. call !erver

b. so"t'switc$

c. )e"ia ate/a* co$troller

". all the above.

317. 4$ %% the !/itchi$ a$" tra$!ort of the ac0et! i$ %%6 bac0bo$e #!e" i!a. AT( $et/or0

b. PST% $et/or0c. 4P 5 (P&S $et/or0

". (obile $et/or0

318. The characteri!tic! of %% ha! follo/i$ f#$"a)e$tal a!ect!6

@i Searatio$ of co$trol f#$ctio$!6

@ii "eco#li$ of !ervice rovi!io$ fro) tra$!ort6

@iii Provi!io$ of oe$ i$terface!6

a$" @ivbroa"ba$" caabilitie! /ith e$" to e$" oS a$" tra$!are$c*.

a. Both @i a$" @ii are correct

b. O$l* @iv i! correct.c. @i6 @ii a$" @iii o$l* are correct.

" $o$e of the above i! correct.

31:. The rotocol! #!e" i$ %% bet/ee$ !oft-!/itch a$" )e"ia ate/a* are

@i >.296 @ii (eaco6 @iii (CP6 @iv B4CC6 @v Sitra$!6 @vi RTCP

a. @i6 @ii a$" @iii o$l*

b. @i6 @ii a$" @v4 o$l*

c. @v a$" @vi o$l*". @iv a$" @v o$l*

319. The co$$ectivit* of 4P TAN to 4P5(P&S $et/or0 i! via $eare!t

a. PE ro#ter of the %4B-44 $et/or0

b. CE ro#ter

c. Tier-4 !/itch

". BBRAS

31;. The rotocol RTP 5 RTCP i! #!e"

a. bet/ee$ !oft-!/itch a$" )e"ia ate/a* for act#al ac0et tra$!fer

b. bet/ee$ t/o )e"ia ate/a*! for act#al ac0et tra$!fer

c. bet/ee$ !oft-!/itch a$" !i$alli$ ate/a* for act#al ac0et tra$!fer

". bet/ee$ !oft-!/itch a$" alicatio$ !erver for act#al ac0et tra$!fer

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b) (5! TCS &t"

c) (5! Diro

d) %o$e of the above.

e)331. 4$ the BS%& $et/or0 abo#t.. of the total !/itchi$ caacit* i! o$ COT tech$olo*.

a

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a. Dor" Proce!!or

b. (#lti)e"ia

c. Operating System [ correct answer is c) Oerati$ S*!te)

2:;.All %T eHcha$e! !#ort

a4S%6

bCV:6

c=7.26

" ce$treH facilit*

e All the above.

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2;

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h) $o$e of the abovei)

3.29 rotocol.f >&C rotocol

>B3 rotocol

h %o$e of the above

3

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311. . EHi!ti$ circ#it !/itche" $et/or0 )iratio$ to %% ha! follo/i$

roble)!6

a. !lo/ to "evelo $e/ feat#re! a$" caabilitie!

b. eHe$!ive #ra"e a$" oerati$ co!t!

c. rorietar* ve$"or tro#ble!

". all the above.

312. The %eHt e$eratio$ %et/or0 i!

a. $o$-ac0et ba!e" $et/or0 fal!e

b. serice relate! "#nctions are in!epen!ent o" #n!erlying transport relate!

tec$nologies %[tr#e& c. "oe! $ot !#ort e$eralie" )obilit* ---fal!e

". !ecifie" i$terface! co)lia$t. fal!e

313. E#roea$ Teleco))#$icatio$ Sta$"ar"iatio$ 4$!tit#te @ETS4 "efi$e! the %%

a!

a. offer! oerator! )a$ae i$$ovative !ervice! #!i$ oe$ i$terface!

b. for)al #$io$ of "iffere$t la*er! i$to o$e la*er

c. ba!e" o$ !/itchi$ latfor)

". ba!e" o$ AT( tech$olo*

31. 4$ %% the call co$trol f#$ctio$alitie! are relate" b* a co)o$e$t /hich i!

calle"a. call !erver

b. so"t'switc$

c. )e"ia ate/a* co$troller

". all the above.

317. 4$ %% the !/itchi$ a$" tra$!ort of the ac0et! i$ %%6 bac0bo$e #!e" i!

a. AT( $et/or0

b. PST% $et/or0

c. 4P 5 (P&S $et/or0

". (obile $et/or0

318. The characteri!tic! of %% ha! follo/i$ f#$"a)e$tal a!ect!6@i Searatio$ of co$trol f#$ctio$!6

@ii "eco#li$ of !ervice rovi!io$ fro) tra$!ort6

@iii Provi!io$ of oe$ i$terface!6

a$" @iv broa"ba$" caabilitie! /ith e$" to e$" oS a$" tra$!are$c*.

a. Both @i a$" @ii are correct

b. O$l* @iv i! correct.

c. @i6 @ii a$" @iii o$l* are correct.

" $o$e of the above i! correct.

31:. The rotocol! #!e" i$ %% bet/ee$ !oft-!/itch a$" )e"ia ate/a* are

@i >.29 6 @ii (eaco6 @iii (CP6 @iv B4CC6 @v Sitra$!6 @vi RTCP

a. @i6 @ii a$" @iii o$l*b. @i6 @ii a$" @v4 o$l*

c. @v a$" @vi o$l*

". @iv a$" @v o$l*

319. The co$$ectivit* of 4P TAN to 4P5(P&S $et/or0 i! via $eare!t

a. PE ro#ter of the %4B-44 $et/or0

b. CE ro#ter

c. Tier-4 !/itch

". BBRAS

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31;. The rotocol RTP 5 RTCP i! #!e"

a. bet/ee$ !oft-!/itch a$" )e"ia ate/a* for act#al ac0et tra$!fer

b. bet/ee$ t/o )e"ia ate/a*! for act#al ac0et tra$!fer

c. bet/ee$ !oft-!/itch a$" !i$alli$ ate/a* for act#al ac0et tra$!fer

". bet/ee$ !oft-!/itch a$" alicatio$ !erver for act#al ac0et tra$!fer

32o &o!! at the FF.

h To Provi"e &ocal &ooBac0 for Te!ti$.

i CTo )ea!#re the BitError Rate b* var*i$ theOtical Si$al at the Receiver 4$#t.

j "All the above

0 Correct a$!/er i! " all the above

l1;9. The objective of roject U"aa$ i! to i)rove QQQQQQQQQQQQQQQQQQQQQQQQQQQ

a (obile B#!i$e!!6

b PCO! B#!i$e!!6

c &a$" li$e a$" Broa"ba$" B#!i$e!!6

" %e/ b#!i$e!!.

1;;. The objective of roject o!ti i! to i)rove QQQQQQQQQQQQQQQQQQQQQQQQQQQQ

a (obile B#!i$e!!6b PCO! B#!i$e!!6

c &a$" li$e a$" Broa"ba$" B#!i$e!!6

" %e/ b#!i$e!!.