T.E.
Computer
Computer Networks : Probable Question Set for Oral Examination
Topic: OSI Model
1) Draw te OS! mo"el an" mention an# tree fun$tions of ea$ la#er.
%) Draw te OS! mo"el an" mention proto$ols use" b# ea$ la#er.
&) 'at are "esi(n issues )$on$erns) of network la#er* )Question ma# be aske" similarl# for
oter la#ers).
+) 'i$ topi$s #ou a,e learne" in network la#er* )Question ma# be aske" similarl# for
oter la#ers).
-) Tell te names of ,arious proto$ols tat work at ea$ la#er of OS! mo"el.
-) Tell te names of ,arious proto$ols tat work at ea$ la#er of TCP.!P mo"el.
/) En$r#ption is an"le" b# wi$ la#er*
0) Dialo(ue $ontrol is an"le" b# wi$ la#er*
1) 2TP . Telnet are an"le" b# wi$ la#er*
3) 'at "o #ou mean b# user4session mana(ement*
15) 6ention an# one error "ete$tion te$ni7ue wit example.
11) 6ention an# one error $orre$tion te$ni7ue wit example.
1%) 8ow flow $ontrol is "one b# "ata link la#er*
1&) Compare "ifferent transmission me"ia on teir ban"wi"t. spee".
1+) 'ere "oes 9:P proto$ol work*
1-) !n all te interme"iate ma$ines in,ol,e" in "ata transfer from sour$e to "estination; wi$
la#ers are use"*
1/) 8ow fun$tion mappin( of la#ers of OS! mo"el $an be explaine" for la#ers of TCP.!P mo"el*
10) 'at are te "ifferent appli$ation la#er proto$ols*
Topic: Web Technologies
13. 'at is meanin( of te term <mark up= in $on$ern wit 8T6>*
%5. Compare ?6> an" 8T6>.
%1. Compare 8T6> an" D8T6>.
%%. 'at is s$riptin(* 'at is te "ifferen$e between ser,er si"e an" $lient si"e s$riptin(*
%&. 'at is P8P* 'at are its appli$ation areas*
%+. 'at "o #ou mean b# <lo$al ost=* 'at lo$al osts #ou a,e use" for 9SP an" P8P
assi(nments*
%-. Explain wat #ou a,e performe" in <So$ket Pro(rammin(= assi(nment*
%/. 'at "o #ou mean b# a so$ket*
%0. Explain te pases of so$ket $onne$tion between $lient an" ser,er.
%1. 'rite a sample P8P s$ript for 6#SQ> $onne$ti,it#.
%3. 'at are "ifferent appli$ation areas in wi$ @a,a S$ript is use"*
&5. Explain re7uirements for te use of 2TP*
&1. 'rite a sample Aa,a s$ript for email . onl# nos . onl# $ars. Bali"ation.
&%. 'at is te "ifferen$e between a so$ket an" a ser,er so$ket*
&&. 'at "oes te term ?S>T mean* 'at is te use of ?S>T*
&+. 'at is te wa# of spe$if#in( st#le seet referen$e for a ?6> file*
&-. Explain te wa# #ou a,e exe$ute" #our P8P assi(nment*
&/. 'i$ ,ersion of P8P a,e #ou use" in lab* 'i$ ,ersion is te latest one*
&0. 'at is ?6>4 DTD*
Topic: Other Lab Assignments
-5. Draw te "ia(ram sowin( te >9N setup of te $olle(e.
-1. 'at is te role of network (atewa# . router . bri"(e . swit$ . ub . repeater*
-%. Tell spe$ifi$ations "etails ; $onne$tion "etails of ,arious network ar"ware liste" abo,e.
-&. 'i$ are networkin( "e,i$es* 'i$ are inter networkin( "e,i$es*
-+. 'at is N!C* :ole. use*
--. Ci,e examples of network t#pes tat $an be $onne$te" wit routers.
-/. Ci,e examples of network t#pes tat $an be $onne$te" wit (atewa#s.
-0. Name of router.swit$ manufa$turers.
-1. Explain wit fun$tions "ifferent networkin( $omman"s of linux.
-3. 'at are te maAor steps in linux installation* 'i$ ,ersion a,e #ou installe" in lab*
'i$ oter ,ersions "o #ou know*
/5. 'at is te role of a sell in linux OS*
/1. 'at is te role of a kernel in linux OS*
/%. Ci,e examples of some of te networkin( relate" $omman"s in linux.
/&. 'at "o #ou mean b# <$rimpin(=* '# is it re7uire"*
/+. Explain te wa# #ou a,e exe$ute" #our P8P assi(nment*
/-. 'at is te fun$tion of D8CP*
//. 'at are te spe$ifi$ations of ,arious network ar"ware use" in >9N setup of $olle(e*
/0. 'at is $rimpin(* Explain nee"; $olor $o"es.
/1. 'at is :@+- $onne$tor*
/3. 'i$ proto$ol anal#Der toll a,e #ou stu"ie"* 'at te appli$ations of su$ a tool*
05. wat are te wa#s to assi(n !P a""ress to a ma$ine*
01. 'ere "oes te !P a""ress (et store" on a ma$ine*
0%. 8ow to $onfi(ure a router*
0&. 'at are "ifferent routin( proto$ols*
0+. Ci,e a situation were te :9:P proto$ol works*
Topic: Physical Layer
0-.
'eter transmission me"ia is a part of p#si$al la#er*
0/.
'at is te "ifferen$e between (ui"e" an" un(ui"e" transmission me"ia*
00.
Ci,e two examples of (ui"e" an" un(ui"e" transmission me"ia.
01.
!n wat form "o te fiber opti$ $ables $arr# te "ata si(nal*
03.
!n wi$ "ifferent formats wireless "ata is transmitte"*
15.
'at are te benefits of opti$al fiber o,er oter transmission me"ia*
11. wat is a bea$on frame in wireless networks*
1%. 'at are te 'i42i stan"ar"s* 'at are te "ata rates a,ailable in 'i42i*
1&. 'at is te t#pe of 'i42i networks*
1+. 'at are te $omponents of wireless network*
1-. 8ow to setup a wireless network*
Topic: Data Link Layer
1/.
Explain sli"in( win"ow proto$ol.
10.
Explain <(o ba$k N= retransmission meto" wit "ia(ram.
11.
Explain <sele$ti,e repeat= retransmission meto" wit "ia(ram.
13.
'at is 9:Q* Explain its workin( wit te elp of a "ia(ram.
35.
Explain <Stop an" wait= retransmission meto" wit "ia(ram.
31.
Explain C:C te$ni7ue of error "ete$tion.
3%.
Explain ,arious error $orre$tion te$ni7ues.
3&.
Explain ,arious error "ete$tion te$ni7ues.
3+.
'at ser,i$es "oes te D>> offer to network la#er*
3-.
Explain te effe$t of win"ow siDe in sli"in( win"ow proto$ol.
3/. '# flow $ontrol is ne$essar#*
30. 'at kin" of error $ontrollin( is use" in Eternets*
31. 'at is C:C pol#nomial for Eternet*
33. 'at are "ifferent t#pes of a$knole"(ement*
155. 'at is "ifferen$e between te flow $ontrol "one at "ata link la#er an" transport
la#er* '# it is kept at two la#ers*
151. Data link la#er is responsible for error "ete$tion. '# $e$ksum fiel" is a""e" in
network; transport la#ers*
Topic: Medium Access ontrol !MA" Layer#
15%.
Compare wire" an" wireless ser,i$es.
15&.
'at is te primar# work of 69C sub la#er*
15+.
'at are te issues in,ol,e" in 6e"ia 9$$ess in a network*
Topic: $et%ork Layer#
11%. Compare $onne$tion oriente" an" $onne$tion less ser,i$es.
11&. Compare Birtual Cir$uit an" Data(ram subnets.
11+. Explain workin( of store an" forwar" meto".
11-. 'at are te "esirable 7ualities of te routin( al(oritms*
11/. 'at ser,i$es "oes network la#er pro,i"e to transport la#er*
110. Explain an# tree routin( al(oritms.
111. 'at is a"apti,e an" non4 a"apti,e routin(*
113. 'at are te "ifferent metri$s for measurin( te line $ost )$ost of nei(bor)*
1%5. 'at is $on(estion*
1%1. 'at are ,arious meto"s of $on(estion $ontrol*
1%%. 'at are ,arious meto"s of $on(estion $ontrol in ,irtual $ir$uits*
1%&. 'at are ,arious meto"s of $on(estion $ontrol in "ata(ram subnets*
1%+. 'at is Aitter*
1%-. 'at is Aitter $ontrol te$ni7ue*
1%/. 'at is 7ualit# of ser,i$e )QoS) in relation wit routin(*
1%0. 8ow to a$ie,e QoS in multi me"ia file transport*
1%1. 'at is pi((#ba$kin(* !n wi$ proto$ol $an it be useful*
1%3. 'at are $on(estion pre,ention meto"s tat $an be applie" at D>>*
1&5. 'at are $on(estion pre,ention meto"s tat $an be applie" at Network >a#er*
1&1. 'at "oes te trem <loa" Se""in(= mean in relation of $on(estion $ontrol*
1&%. 'at is <leak# bu$ket= $on$ept in $on(estion $ontrol*
1&&. !n relation wit wi$ $on$ept in networkin( "oes te term <>eak# bu$ket= is use"*
1&+. 'at are "ifferent $lasses of an !P a""ress* Explain ea$ wit a sket$.
1&-. 'at is subnetin( an" superntin(. '# it is re7uire"
1&/. Explain use of publi$ !P an" pri,ate !P.
1&0. 2in" te $lass of followin( !P a""resses*
11115111 11115511 15555111 11511151;5
1111111 11115555 51155111 51111151
1&1. 2in" te $lass of (i,en !P a""resses.
%51.&+.-+.1%;
%&1.&+.%.1 ;
11+.&+.%.1;
1%3.1+./.1;
%+1.+&.%.1
Topic: Miscellaneous&Mi'
1&3. 'at is N9E*
1+5. 'at is te "ifferen$e between lo(i$al a""ress an" p#si$al a""ress*
1+1. 'i$ example in pra$ti$e $an #ou (i,e tat simulates workin( of wire" an"
wireless ser,i$es*
1+%. 'at is telnet* Fse*
1+&. 'at is 2TP* Fse*
1++. 'at are te "emerits of networkin(*
1+-. 'at FDP* 9ppli$ation areas*
1+/. 'at is role of ea"er an" trailer part of a "ata frame*
G
1+0. 'at is a port number* :an(e of port numbers*
1+1. 'i$ are te reser,e" port numbers of a s#stem*
1+3. Explain wit neat sket$es $ir$uit swit$in(; pa$ket swit$in( an" messa(e
swit$in(.
1-5. 'at is 6ask of !P a""ress*
1-1. 'at is a $ollision* 8ow is it "ete$te" on a network*
1-%. 'at is te "ifferen$e between CS69.CD an" CS69.C9*
1-&. Does te 69C a""ress of a ma$ine $an be $an(e"*
1-+. 8ow to $an(e 69C a""ress of a ma$ine*
1--. 'ere "oes te 69C a""ress (et store" on a ma$ine*
1-/. 'at is !P aliasin(*
1-0. 8ow man# !P a""resses $an be assi(ne" to sin(le network interfa$e $ar"*
1-1. 'at are te t#pes of routers in OSP2 proto$ol*
1-3. 'at is autonomous s#stem*
1/5. 'at is te "efferen$e between !p,+ an" !p,/*
1/1. 8ea"er stru$ture of !p,+.Explain ea$ fiel".
1/%. 8ea"er stru$ture of !p,/. Explain ea$ fiel".
1/&. 'at is !C6P* Explain !C6P messa(e format.
1/+. 8ea"er stru$ture of t$p.Explain ea$ fiel".
1/-. 8ea"er stru$ture of u"p.Explain ea$ fiel".
1//. 8ea"er stru$ture of !C6P.Explain ea$ fiel".
1/0. PPP frame stru$ture.Explain.
1/1. 8D>C frame stru$ture.Explain.
1/3. 'at is DNS*
105. 'at are te te$ni7ues to resol,e DNS 7uer#*
101. 'at so$ket primiti,es are use" at te ser,er an" $lient si"e* Explain ea$.
10%. 'at are te "ifferent networkin( $omman"s in linux*
10&. 'at is te output of pin( $omman"*
10+. 8ow TCP $onne$tion is setup between $lient an" ser,er*
10-. 8ow $onne$tion is $lose" between $lient an" ser,er*
10/. Ci,e example of appli$ations were FDP is use".
100. 'at is tftp* Differen$e between ftp an" tftp.
101. 'at are te "ela#s intro"u$e" wile "ata transmission from sen"er to re$ei,er*
103. 'at kin" of "ela#s are a""e" b# te router*
115. 'at kin" of information)tables) is kept b# routers*
111. 'at are te t#pes of Eternet*
11%. 'at is :TT* 8ow :TT is estimate"*
11&. 'at is broa"ban"*
11+. 'at is te "ifferen$e between lease" line an" broa"ban"*
11-. 8ow mobile !P works*
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