1) Which of the following is not the requirement of routing function? A. Correctness B. Robustness C. Delay time D. Stability ) !he ......... "rotocol allows the a#ministrator to assign a cost$ calle# the metric$ to each route. A. %S&' B. R(& C. B& D. BB& *) (f there is only one routing sequence for each source #estination "air$ the scheme is +nown as ..... A. static routing B. fi,e# alternati-e routing C. stan#ar# routing D. #ynamic routing ) !he %"en Shortest &ath 'irst/%S&') "rotocol is an intra #omain routing "rotocol base# on ........ ........ routing. A. #istance -ector B. lin+ state C. "ath -ector D. non #istance -ector 0) AnA ..........routing scheme is #esigne# to enable switches to react to changing traffic "atterns on the networ+. A. static routing B. fi,e# alternati-e routing C. stan#ar# routing D. #ynamic routing 2) !he Routing (nformation &rotocol/R(&) is an intra #omain routing base# on ........routing. A. #istance -ector B. lin+ state C. "ath -ector D. #istance co#e
3) !he term ........ refers to which no#e or no#es in the networ+ are res"onsible for the routing #ecision. A. #ecision "lace B. routing "lace C. no#e "lace D. switching "lace 4) (n ....... routing the least cost route between any two no#es is the minimum #istance. A. "ath -ector B. #istance -ector C. lin+ state D. switching 5) 'or centrali6e# routing the #ecision is ma#e by some #esignate# no#e calle# ...... A. #esignate# center B. control center C. networ+ center D. networ+ control center 17) 'or "ur"oses of routing$ the (nternet is #i-i#e# into ....... A. wi#e area networ+s B. autonomous networ+s C. local area networ+s D. autonomous system 11) (n .......... a route is selecte# for each #estination "air of no#es in the networ+. A. floo#ing B. -ariable routing C. fi,e# routing D. ran#om routing 1) !o create a neighborhoo# relationshi"$ a router running B& sen#s an .......... message. A. o"en B. u"#ate c. +ee" ali-e D. close
1*) !he technique which requires no networ+ information require# is .... A. floo#ing B. -ariable routing C. fi,e# routing D. ran#om routing 1) An area is .... A. "art of an AS B. com"ose# of at least two AS C. another term for an AS D. com"ose# more than two AS 10) Which of the following "ro#uces high traffic networ+? A. 8ariable routing B. 'loo#ing C. 'i,e# routing D. Ran#om routing 12) (n ........... routing$ we assume that there is one no#e /or more) in each autonomous system that acts on beha-e of the entire autonomous system. A. #istant -ector B. "ath -ector C. lin+ state D. multi"oint 13) When a #irect #eli-ery is ma#e$ both the #eli-erer an# recei-er ha-e the same . A. routing table B. host i# C. (& a##ress D. 9et i# 14) (n %S&'$ a ......... lin+ is a networ+ with se-eral routers attache# to it. A. "oint:to:"oint B. transient C. stub D. multi"oint
15) (n ....... routing$ the mas+ an# the #estination a##ress are both 7.7.7.7 in routing table. A. ne,t:ho" B. host:s"ecific C. networ+:s"ecific D. #efault 7) (n .......... the router forwar#s the recei-e "ac+et through only one of its interfaces. A. unicasting B. multicasting C. broa#casting D. "oint to "oint
Answers: 1) C. Delay time ) A. %S&' *) B. fi,e# alternati-e routing ) B. lin+ state 0) C. stan#ar# routing 2) A. #istance -ector 3) A. #ecision "lace 4) B. #istance -ector 5) D. networ+ control center 17) D. autonomous system 11) C. fi,e# routing 1) B. u"#ate 1*) A. floo#ing 1) A. "art of an AS 10) B. 'loo#ing 12) B. "ath -ector 13) D. 9et i# 14) B. transient 15) D. #efault 7) B. multicasting
Internet security
. Which of the following are the solutions to networ+ security? i) ;ncry"tion ii) Authentication iii) Authori6ation i-) 9on:re"u#iation A) i$ ii an# iii only B) ii$ iii an# i- only C) i$ iii an# i- only D) All i$ ii$ iii an# i. <<<<< is to "rotect #ata an# "asswor#s. A) ;ncry"tion B) Authentication C) Authori6ation D) 9on:re"u#iation
*. !he following "rotocols an# system are commonly use# to "ro-i#e -arious #egrees of security ser-ices in com"uter networ+. i) (& filtering ii) Re-erse A##ress !ranslation iii) (& security Architecture /(&sec) i-) 'irewalls -) Soc+s A) i$ ii$ iii an# i- only B) i$ iii$ i- an# - only C) ii$ iii$ i- an# - only D) All i$ ii$ iii$ i- an# . A firewall is installe# at the "oint where the secure internal networ+ an# untruste# e,ternal networ+ meet which is also +nown as <<<<<< A) Choc+ "oint B) meeting "oint C) firewall "oint D) secure "oint 0. Which of the following is are the ty"es of firewall? A) &ac+et 'iltering 'irewall B) Dual =ome# ateway 'irewall C) Screen =ost 'irewall D) All of the abo-e
2. !he com"onents of (& security inclu#es <<<<<<<. A) Authentication =ea#er /A=) B) ;nca"sulating Security &ayloa# /;S&) C) (nternet +ey ;,change /(>;) D) All of the abo-e 3. <<<<<<<.. is use# to carry traffic of one "rotocol o-er networ+ that #oes not su""ort that "rotocol #irectly. A) !unneling B) !ransferring C) !raffic+ing D) Switching 4. (n <<<<<<. o#e$ the authentication hea#er is inserte# imme#iately after the (& hea#er. A) !unnel B) !rans"ort C) Authentication D) Both A an# B 5. State true or false. i) Soc+s are a stan#ar# for circuit le-el gateways. ii) !he 9A! is use# for small number of the hosts in a "ri-ate networ+. A) !rue$ 'alse B) 'alse$ !rue C) !rue$ !rue D) 'alse$ 'alse 17. A <<<<<<. is an e,tension of an enter"rise@s "ri-ate intranet across a "ublic 9etwor+ such as the (nternet across a "ublic 9etwor+ such as the (nternet$ creating a secure "ri-ate connection. A) 89& B) 8&9 C) 8S9 D) 8S&9 Answers: 1. D) All i, ii, iii and iv . D) All o! the a"ove 2. A) Encryption #. A) $%nnelin& 3. B) i, iii, iv and v only '. A) $%nnel 4. A) Chock point (. C) $r%e, $r%e
. D) All o! the a"ove
1*. B) +-
1. !he "rimary goal of the <<<<<<<.. "rotocol is to "ro-i#e a "ri-ate channel between communicating a""lication$ which ensures "ri-acy of #ata authentication of the "artners$ an# integrity. A) SS B) ;S& C) !S D) &S . !he <<<<<. is use# to "ro-i#e integrity chec+$ authentication an# encry"tion to (& #atagram. A) SS B) ;S& C) !S D) &S
*. (n <<<<<<<<. mo#e$ a common technique in "ac+et:switche# networ+s consists of wra""ing a "ac+et in a new one. A) !unneling B) ;nca"sulation C) Both A an# B D) 9one of the abo-e . !he <<<<<<<<<<. (s a collection of "rotocols #esigne# by (nternet ;ngineering !as+ 'orce/(;!') to "ro-i#e security for a "ac+et at the 9etwor+ le-el. A) (&sec B) 9etsec C) &ac+etsec D) &rotocolsec 0. At the lower layer of SS$ a "rotocol for transferring #ata using a -ariety of "re#efine# ci"her an# authentication combinations calle# the <<<<<<. A) SS han#sha+e "rotocol B) SS authentication "rotocol C) SS recor# "rotocol D) SS ci"her "rotocol
2. While initiating SS session$ the client co#e recogni6es the SS request an# establishes a connection through !C& &art <<<<<.. to the SS co#e on the ser-er. A) 7 B) 17* C) * D) * 3. %n the u""er layer of SS$ a "rotocol for initial authentication an# transfer of encry"tion +eys$ calle# the <<<<<<< A) SS han#sha+e "rotocol B) SS authentication "rotocol C) SS recor# "rotocol D) SS ci"her "rotocol 4. State whether the following statement are true. i) An a""lication:le-el gateway is often referre# to as a "ro,y. ii) (n "ro,y$ a #irect connection is establishe# between the client an# #estination ser-er. A) !rue$ 'alse B) 'alse$ !rue C) !rue$ !rue D) 'alse$ 'alse 5. (n "ac+et:filtering router$ the following information can be e,ternal from the "ac+et hea#er. i) Source (& a##ress ii) Destination (& a##ress iii) !C&D& source "ort i-) (C& message ty"e -) !C&D& #estination "ort A) i$ ii$ iii an# i- only B) i$ iii$ i- an# - only C) ii$ iii$ i- an# - only D) All i$ ii$ iii$ i- an# 17. <<<<<.. mo#e is use# whene-er either en# of a security association is gateway. A) !unnel B) ;nca"sulating C) !rans"ort
D) ateway 1. 2. 3. 4. .
Answers: A) / . C) 443 B) E #. A) / hand... protocol C) Both A and B '. A) $r%e, alse A) 0sec (. D) All i, ii, iii, iv and v C) / record protocol 1*. A) $%nnel
Routing protocol and algorithm
1) Which of the following is not the requirement of routing function? A. Correctness B. Robustness C. Delay time D. Stability
) !he ......... "rotocol allows the a#ministrator to assign a cost$ calle# the metric$ to each route. A. %S&' B. R(& C. B& D. BB&
*) (f there is only one routing sequence for each source #estination "air$ the scheme is +nown as ..... A. static routing B. fi,e# alternati-e routing C. stan#ar# routing D. #ynamic routing
) !he %"en Shortest &ath 'irst/%S&') "rotocol is an intra #omain routing "rotocol base# on ........ routing. A. #istance -ector
B. lin+ state C. "ath -ector D. non #istance -ector
0) AnA ..........routing scheme is #esigne# to enable switches to react to changing traffic "atterns on the networ+. A. static routing B. fi,e# alternati-e routing C. stan#ar# routing D. #ynamic routing
2) !he Routing (nformation &rotocol/R(&) is an intra #omain routing base# on ........routing. A. #istance -ector B. lin+ state C. "ath -ector D. #istance co#e
3) !he term ........ refers to which no#e or no#es in the networ+ are res"onsible for the routing #ecision. A. #ecision "lace B. routing "lace C. no#e "lace
D. switching "lace
4) (n ....... routing the least cost route between any two no#es is the minimum #istance. A. "ath -ector B. #istance -ector C. lin+ state D. switching
5) 'or centrali6e# routing the #ecision is ma#e by some #esignate# no#e calle# ...... A. #esignate# center B. control center C. networ+ center D. networ+ control center
17) 'or "ur"oses of routing$ the (nternet is #i-i#e# into ....... A. wi#e area networ+s B. autonomous networ+s C. local area networ+s D. autonomous system
11) (n .......... a route is selecte# for each #estination "air of no#es in the networ+. A. floo#ing
B. -ariable routing C. fi,e# routing D. ran#om routing
1) !o create a neighborhoo# relationshi"$ a router running B& sen#s an .......... message. A. o"en B. u"#ate c. +ee" ali-e D. close
1*) !he technique which requires no networ+ information require# is .... A. floo#ing B. -ariable routing C. fi,e# routing D. ran#om routing
1) An area is .... A. "art of an AS B. com"ose# of at least two AS C. another term for an AS D. com"ose# more than two AS
10) Which of the following "ro#uces high traffic networ+? A. 8ariable routing B. 'loo#ing C. 'i,e# routing D. Ran#om routing
12) (n ........... routing$ we assume that there is one no#e /or more) in each autonomous system that acts on beha-e of the entire autonomous system. A. #istant -ector B. "ath -ector C. lin+ state D. multi"oint
13) When a #irect #eli-ery is ma#e$ both the #eli-erer an# recei-er ha-e the same .... A. routing table B. host i# C. (& a##ress D. 9et i#
14) (n %S&'$ a ......... lin+ is a networ+ with se-eral routers attache# to it. A. "oint:to:"oint
B. transient C. stub D. multi"oint
15) (n ....... routing$ the mas+ an# the #estination a##ress are both 7.7.7.7 in routing table. A. ne,t:ho" B. host:s"ecific C. networ+:s"ecific D. #efault
7) (n .......... the router forwar#s the recei-e "ac+et through only one of its interfaces. A. unicasting B. multicasting C. broa#casting D. "oint to "oint
Answers:
1) C. Delay time ) A. %S&' *) B. fi,e# alternati-e routing ) B. lin+ state 0) C. stan#ar# routing
2) A. #istance -ector 3) A. #ecision "lace 4) B. #istance -ector 5) D. networ+ control center 17) D. autonomous system 11) C. fi,e# routing 1) B. u"#ate 1*) A. floo#ing 1) A. "art of an AS 10) B. 'loo#ing 12) B. "ath -ector 13) D. 9et i# 14) B. transient 15) D. #efault 7) B. multicasting
1) Alternate an# a#a"ti-e routing algorithm belongs to .......... A. static routing B. "ermanent routing C. stan#ar# routing D. #ynamic routing
) .......... "rotocol is a "o"ular e,am"le of a lin+ state routing "rotocol. A. S&' B. B& C. R(& D. %S&'
*) An e,am"le of routing algorithm is ... A. !;9;! B. !9;! C. AR&A9;! D. AR9;!
) !he ;nhance# (nterior ateway Routing &rotocol/;(R&) is categori6e# as a ........ A. Distance -ector routing "rotocols B. in+ state routing "rotocols C. =ybri# routing "rotocols D. Automatic state routing "rotocols
0) (n .......... routing$ the routing table hol# the a##ress of ust the ne,t ho" instea# of com"lete route information. A. ne,t:ho" B. host:s"ecific C. networ+:s"ecific D. #efault
2) .......... was originally #e-elo"e# to "ro-i#e a loo":free metho# of e,changing routing information between autonomous systems. A. %S&'
B. ;(R& C. B& D. R(&
3) (n ............ routing$ the #estination a##ress is a networ+ a##ress in the routing tables. A. ne,t:ho" B. host:s"ecific C. networ+:s"ecific D. #efault
4) ogical "artitioning of the networ+$ authentication an# faster con-ergence rate are the a#-antages of .... A. %S&' B. ;(R& C. B& D. R(&
5) !he .......... flag in#icates the a-ailability of a router. A. u" B. host s"ecific C. gateway D. a##e# by re#irection
17) !he ty"es of autonomous system #efine# by B& isare .. A. Stub B. ulti:home# C. !ransit D. All of the abo-e
11) 'or a #irect #eli-er$ the ........ flag is on. A. u" B. host s"ecific C. gateway D. a##e# by re#irection
1) A .......... AS has connections to two or more autonomous systems an# carries both local an# transit traffic. A. Stub B. ulti:home# C. !ransit D. All of the abo-e
1*) (n unicast routing$ each router in the #omain has a table that #efines a ......... "ath tree to "ossible #estinations. A. a-erage
B. longest C. shortest D. -ery longest
1) .............. su""orts the simultaneous use of multi"le unequal cost "aths to a #estination. A. %S&' B. ;(R& C. B& D. R(&
10) (n multicast routing$ each in-ol-e# router nee#s to construct a ......... "ath tree for each grou". A. a-erage B. longest C. shortest D. -ery longest
12) Which of the following isare the benefits "ro-i#e# by ;(R&? i) 'aster con-ergence ii) "artial routing u"#ates iii) =igh ban#wi#th utili6ation
i-) Route summari6ation A. i$ iii an# i- only B. i$ ii an# iii only C. ii$ iii an# i- only D. i$ ii an# i- only
13) (n %S&'$ a .......... lin+ is a networ+ is connecte# to only one router. A. "oint:to:"oint B. transient C. stub D. multi"oint
14) ......... is the "rocess of consoli#ating multi"le contiguous routing entries into a single a#-ertisement. A. 'aster con-ergence B. &artial routing u"#ates C. Route summari6ation D. ulti"le "rotocols
15) (n %S&'$ when the lin+ between two routers is bro+en$ the a#ministration may create a ........ lin+ between them using a longer "ath that "robably goes through se-eral routers. A. "oint:to:"oint
B. transient C. stub D. multi"oint
7) ........... is the "rocess of intro#ucing e,ternal routers into an %S&' networ+. A. Route re#istribution B. Route summari6ation C. Route reintro#ucing D. Route recreation
Answers:
1) D. #ynamic routing ) D. %S&' *) C. AR&A9;! ) C. =ybri# routing "rotocols 0) A. ne,t:ho" 2) C. B& 3) C. networ+:s"ecific 4) A. %S&' 5) D. a##e# by re#irection 17) D. All of the abo-e 11) C. gateway 1) C. !ransit 1*) C. shortest 1) B. ;(R& 10) C. shortest 12) D. i$ ii an# i- only 13) C. stub
14) C. Route summari6ation 15) D. multi"oint 7) A. Route re#istribution 1) !he "rinci"le of ...........states that the routing table is store# from the longest mas+ to the shortest mas+. A. first mas+ matching B. shortest mas+ matching C. longest mas+ matching D. -ery shortest mas+ matching
) ............ are two "o"ular e,am"les of #istance -ector routing "rotocols. A. %S&' an# R(& B. R(& an# B& C. B& an# %S&' D. B& an# S&'
*) ...... #eals with the issues of creating an# maintaining routing tables. A. 'orwar#ing B. Routing C. Directing D. 9one #irecting
) During an a#-erse con#ition$ the length of time for e-ery #e-ice in the networ+ to "ro#uce an accurate routing table is calle# the .......... A. accurate time B. integrate# time C. con-ergence time D. a-erage time
0) A ......... routing table contains information entere# manually. A. static B. #ynamic C. hierarchical D. non static
2) Which of the following isare the uses of static routing metho#s. A. !o manually #efine a #efault route. B. !o "ro-i#e more secure networ+ en-ironment. C. !o "ro-i#e more efficient resource utili6ation. D. All of the abo-e
3) A .......... routing table is u"#ate# "erio#ically using one of the #ynamic routing "rotocols. A. static B. #ynamic
C. hierarchical D. non static
4) Which of the following is not the category of #ynamic routing algorithm. A. Distance -ector "rotocols B. in+ state "rotocols C. =ybri# "rotocols D. Automatic state "rotocols
5) (n ......... forwar#ing$ the full (& a##ress of a #estination is gi-en in the routing table. A. ne,t:ho" B. networ+:s"ecific C. host:s"ecific D. #efault
17) !o buil# the routing table$ ........... algorithms allow routers to automatically #isco-er an# maintain awareness or the "aths through the networ+. A. Static routing B. Dynamic routing C. =ybri# routing D. Automatic routing
11) (n .......... forwar#ing$ the mas+ an# #estination a##resses are both 7.7.7.7 in the routing table. A. ne,t:ho" B. networ+:s"ecific C. host:s"ecific D. #efault
1) !o buil# the routing table$ ........... metho# use "re"rogramme# #efinitions re"resenting "aths through the networ+. A. Static routing B. Dynamic routing C. =ybri# routing D. Automatic routing
1*) (n .......... forwar#ing$ the #estination a##resses is a networ+ a##ress in the routing table. A. ne,t:ho" B. networ+:s"ecific C. host:s"ecific D. #efault
1) ......... allow routers to e,change information within an AS. A. (nterior ateway &rotocol/(&)
B. ;,terior ateway &rotocol/;&) C. Bor#er ateway &rotocol/B&) D. Static ateway &rotocol/S&)
10) (n .......... forwar#ing$ the routing table hol#s the a##ress of ust the ne,t ho" instea# of com"lete route information. A. ne,t:ho" B. networ+:s"ecific C. host:s"ecific D. #efault
12) Which of the following is an e,am"le of ;,terior ateway &rotocol. A. %"en Short &ath 'irst/%S&') B. Bor#er ateway &rotocol/B&) C. Routing (nformation &rotocol/R(&) D. All of the abo-e
13) A one:to:all communication between one source an# all hosts on a networ+ is classifie# as a ......... A. unicast B. multicast C. broa#cast
D. "oint to "oint
14) ........ allow the e,change of summary information between autonomous systems. A. (nterior ateway &rotocol/(&) B. ;,terior ateway &rotocol/;&) C. Bor#er ateway &rotocol/B&) D. Dynamic ateway &rotocol/D&)
15) A robust routing "rotocol "ro-i#es the ability to ......... buil# an# manage the information in the (& routing table. A. #ynamically B. statically C. hierarchically D. All of the abo-e
7) State !rue of 'alse for #efinition of an autonomous system/AS). i) An AS is #efine# as a "hysical "ortion of a larger (& networ+. ii) An AS is normally com"rise# of an internetwor+ within an organi6ation. A. i:!rue$ ii:!rue B. i:!rue$ ii:'alse C. i:'alse$ ii:!rue D. i:'alse$ ii:'alse
Answers:
1) C. longest mas+ matching ) B. R(& an# B& *) B. Routing ) C. con-ergence time 0) A. static 2) D. All of the abo-e 3) B. #ynamic 4) D. Automatic state "rotocols 5) C. host:s"ecific 17) B. Dynamic routing 11) D. #efault 1) A. Static routing 1*) B. networ+:s"ecific 1) A. (nterior ateway &rotocol/(&) 10) A. ne,t:ho" 12) B. Bor#er ateway &rotocol/B&) 13) C. broa#cast 14) B. ;,terior ateway &rotocol/;&) 15) A. #ynamically 7) C. i:'alse$ ii:!rue
