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e2-e3 Cfa Core Subject 041212

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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.

    1

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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.

    18

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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

    27

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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

    2:

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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.

    29

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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

    3

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    " alicatio$ la*er!

    e All the above

    3

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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

    2

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    32

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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.

    29

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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 [email protected] 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

    3

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    31/31

    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!!.


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