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E2-E3_CFA_CORE_SUBJECT.doc

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E2-E3 CFA CORE SUBJECT 1. The overall objective of Project o!ti i! to re #ce ecli$e i$ BS%&'! PCO B#!i$e!!. 2. (o!t co))o$l* #!e (e i#) acce!! tech$i+#e for Star , B#! to-olo.ie! i! CS(A /ith C. 3. Ether$et (e ia i! -a!!ive a$ -o/er i! ta0e$ fro) co)-#ter. 1Tr#e2 3. 4$ CS(A5C6 if colli!io$ i! etecte #ri$. tra$!)i!!io$6 a ja))i$. !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$ce. 8. (AC a re!! i! 39 bit lo$.. :.
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  E2-E3 CFA CORE SUBJECT1.The overall objective of Project o!ti i! to re #ce ecli$e i$ BS%&'! PCO B#!i$e!!. 2.(o!t co))o$l* #!e (e i#) acce!! tech$i+#e for Star , B#! tooloie! i! CS(A /ith C. 3.Ether$et (e ia i! a!!ive a$ o/er i! ta0e$ fro) co)#ter. Tr#e.4$ CS(A5C6 if colli!io$ i! etecte #ri$ tra$!)i!!io$6 a  ja))i$ !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$ce.8.(AC a re!! i! 9  bit lo$. :.&&C !ta$ ! for &oical &i$0 Co$trol. 9.S(TP !ta$ ! for Si)le (ail Tra$!fer Protocol.;.FTP !ta$ ! for File Tra$!fer Protocol.1<.TCP !ta$ ! for Tra$!)i!!io$ Co$trol Protocol.11.UP !ta$ ! for U!er atara) Protocol.12.4$ter$et Protocol rovi e! be!t effort eliver*. Tr#e13.4$terit* of ac0et! i! #ara$tee i$ 4P= thro#h chec0!#)!.1.atara) co$!i!t! of >ea er a$ ata. 17.efa#lt TT& for the 4P i! 8.18.TCP54P Protocol !#ite i! )a e # of 7 la*er!.1:.The t/o rotocol! i$ Tra$!ort &a*er are TCP a$ UP.19.The )ar0et !hare of PCO! i$ BS%& i! abo#t 3<?. 1;.Ether$et #!e! CS(A5C to re#late the traffic. 2<. Ether$et )e ia i!  a!!ive. 21.The !ec for Ether$et i! 4EEE 9<2.322.The la*er #!e for co))#$icatio$ bet/ee$ t/o ho!t! i! Alicatio$ &a*er. 23.E$ca!#latio$ of alicatio$ la*er ata i! o$e b* the tra$!ort la*er. 1  2.The t/o rotocol! #!e b* tra$!ort la*er are Tra$!)i!!io$ Co$trol Protocol @TCP a$ U!er atara) Protocol @UP.27.4$terit* of ac0et! i! #ara$tee i$ 4P= thro#h chec0!#)!.28.efa#lt TT& for the 4P i! 8.2:.4C(P i! #!e to reort the error )e!!ae bac0 to the !o#rce.29.Flo/ co$trol i! the roce!! of )a$ai$ the rate of ata tra$!)i!!io$ bet/ee$ t/o $o e! to reve$t a fa!t !e$ er fro) o#tr#$$i$ a !lo/ receiver.2;.A! each ate/a* roce!!e! the atara)6 it ecre)e$t! TT& b* o$e.3<.The t/o art! of a$ 4P a re!! are the >o!t Part a$ the %et/or0 Part.31.TCP !ta$ ! for Tra$!)i!!io$ Co$trol Protocol.32.UP !ta$ ! for U!er atara) Protocol.33.4C(P !ta$ ! for 4$ter$et Co$trol (e!!ae Protocol.3.4(P !ta$ ! for 4$ter$et ro# (a$ae)e$t Protocol. 37.4P a re!! ver!io$  i! 32 bit! lo$.38.277.<.<.< i! the efa#lt !#b$et )a!0 of Cla!! A a re!!. 3:.277.277.<.< i! the efa#lt !#b$et )a!0 of Cla!! B A re!!. 39.277.277.277.< i! the efa#lt !#b$et )a!0 of Cla!! C A re!!. 3;.The a re!! !ie of 4P=8 i! 129 bit! or 18 octet!. <.Dhat i! the cla!! of each of the follo/i$ a re!!e!a1<<111<1 1<<<1111 111111<< 11<<1111  Cla!! B b 11<111<1 1<<<1111 111111<< 11<<1111    Cla!! Cc <1111<11 1<<<1111 111111<< 11<<1111  Cla!! A  111<1<11 1<<<1111 111111<< 11<<1111  Cla!! e 1111<1<1 1<<<1111 111111<< 11<<1111  Cla!! E1. Fi$ the cla!! of each a re!!e!.a. .23.17.;<  Cla!! A b. 22:.3.:9.:  Cla!! c. 28.:.3.9  Cla!! E . 2;.8.9.  Cla!! Ae. 1;9.:8.;.23   Cla!! C2.4$ ro#ti$ /hat oe! the ter) S>ORTEST )ea$The ter) Shorte!t )ea$ the co)bi$atio$ of )a$* factor! i$cl# i$ !horte!t6 cheae!t 6 fa!te!t)o!t reliable a$ !o o$.2  3.Dhat are the fiel ! re!e$t i$ 4P a re!! %eti a$ >o!ti . %eti  ortio$ of the i a re!! that i e$tifie! the $et/or0.>o!ti  ortio$ of the i a re!! that i e$tifie! the ho!t or ro#ter o$ the $et/or0!..The fo#r la*er! of TCP54P areG-aAlicatio$ &a*er  bTra$!ort &a*er c4$ter$et &a*er  %et/or0 4$terface &a*er eAll the aboveCorrect a$!/er i! e all the above.7.The core rotocol! of the Tra$!ort &a*er are TCP a$ UP.8. TCP rovi e! a o$e to o$e6 co$$ectio$ orie$te a$ reliable co))#$icatio$ !ervice.:.UP rovi e! a o$e to )a$*6 co$$ectio$le!! a$ #$reliable co))#$icatio$ !ervice.9. The )o!t /i el* #!e alicatio$ la*er rotocol! areG-a>TTP bFTPcS(TP Tel$eteAll the aboveCorrect a$!/er i! e all the above.;.%S !ta$ ! for o)ai$ %a)e S*!te).7<. %S i! #!e to re!olve a ho!t $a)e to a$ 4P a re!!.71. Chec0!#) i! a !i)le )athe)atical co)#tatio$ #!e to verif* the i$terit* of the 4P hea er.72. (AC !ta$ ! for (e ia Acce!! Co$trol.73. A TCP co$$ectio$ i! e!tabli!he thro#h a three /a* ha$ !ha0e.7. o)ai$ %a)e Server! co$vert a %S a re!! i$to a$ 4P a re!!.77. Each (achi$e @>o!t i$ the i$ter$et i! i e$tifie b* a 32 bit 4P a re!!.78. 4 e$tif* the cla!! of the ive$ 4P a re!!..7.8.:A$!/er  Cla!! A7:.4 e$tif* the cla!! of the ive$ 4P a re!!.22;.1.2.3A$!/er  Cla!! 79. 4 e$tif* the cla!! of the ive$ 4P a re!!.1;1.1.2.3A$!/er  Cla!! C7;. 4 e$tif* the follo/i$ 4P a re!! 18;.7.<.<a >o!t 4P a re!! b irect Broa ca!t a re!!c &i)ite Broa ca!t a re!!  %et/or0 a re!!Correct a$!/er i!  %et/or0 a re!!8< . 4 e$tif* the follo/i$ 4P a re!! 18;.7.1.13  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 beA A co)#ter B A ro#ter c A ate/a*  A$* of the aboveCorrect a$!/er i! 83. A ho!t /ith a$ 4P a re!! of 12.7.<.1 $ee ! to te!t i$ter$al !oft/are. Dhat i! the e!ti$atio$a re!! i$ the ac0eta 12:.<.<.< b 12:.1.1.1c 12:.12:.12:.12:  A$* of the aboveA$!/er  A$* of the above.8. A ac0et !e$t fro) a $o e 1;9.123.8.2< to a $o e at 1;9.123.8.21 re+#ire! a ------------- e!ti$atio$ a re!!.A U$ica!tB (#ltica!tC Broa ca!t a or bA U$ica!t a re!!87. A$ 4P a re!! !ecifie! the locatio$ of a ho!t or clie$t i$ the i$ter$et.88. A$ 4P a re!! i! al!o 0$o/$ a! Protocol a re!!.8:. The 4P= a re!! i! 32  bit! lo$.89. 4$ 4P=6 cla!!e! A6 B a$ C are #!e to rere!e$t ho!t a$ $et/or0 a re!!e! /herea! cla!!  i!#!e for (#ltica!ti$.8;. Cla!! E i! re!erve for eHeri)e$tal #ro!e.:<. All <! i$ the ho!t i i$ icate! the $et/or0 it!elf.:1. All 1! i$ the ho!t i i$ icate! the  broa ca!t a re!!.: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 aro#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 cateorie! of 4P a re!!e!
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