ccna1 questions and answers (ch2 - ch11) (1)

8/9/2019 CCNA1 Questions and Answers (CH2 - CH11) (1)

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Chapter 2

1. What is the purpose of the TCP/IP Network Access layer?- path deteri!atio! a!d packet switchi!"- data represe!tatio!# e!codi!" a!d co!trol- relia$ility# flow co!trol# a!d error detectio!- detailing the components that make up the physical link and how to access it

- the di%isio! of se"e!ts i!to packets

2. Which characteristic correctly refers to e!d de%ices i! a !etwork?- a!a"e data flows- ori"i!ate data flow

- retime and retransmit data signals- deteri!e pathways for data

&. Which two layers of the '(I odel ha%e the sae fu!ctio!s as the TCP/IP odel Network Access )ayer?*Choose two+- Network - Tra!sport- Physical

- Data Link

- (essio!

,. What are the key fu!ctio!s of e!capsulatio!? *Choose three+

- allows modification of the original data before transmission- identifies pieces of data as part of the same communalization

- e!a$les co!siste!t !etwork paths for cou!icatio!- ensures that data pieces can be directed to the correct receiving end device

- e!a$les the reasse$ly of coplete essa"es- tracks delay $etwee! e!d de%ices

. What is a P?- corruptio! of a frae duri!" tra!sissio!- data reasse$led at the desti!atio!- retra!sitted packets due to lost cou!icatio!- a layer specific encapsulation

0. What de%ice is co!sidered a! i!terediary de%ice?- file ser%er - IP pho!e- laptop- pri!ter - switch



. What is a priary fu!ctio! of the trailer i!foratio! added $y the data li!k layer e!capsulatio!?- support error detection

- e!sures ordered arri%al of data- pro%ides deli%ery to correct desti!atio!- ide!tifies the de%ices o! the local !etwork - assists i!terediary de%ices with processi!" a!d path selectio!

. Which three statee!ts $est descri$e a )ocal Area Network *)AN+? *Choose three+- A LAN is usually in a single geographical area

- The network is administered by a single organisation

- The co!!ectio! $etwee! se"e!ts i! the )AN is usually throu"ht a leased co!!ectio!- The security a!d access co!trol of the !etwork are co!trolled $y a ser%ice pro%ider - A LAN provides network services and access to applications for users within a common organtisation

- 3ach a!d of the !etwork is "e!erally co!!ected to a Telecou!atio! (er%ice Pro%ider *T(P+

4. What is the proper order of the layers of the '(I odel fro the hi"hest layer to the lowest layer?- physical# !etwork# applicatio!# data li!k# prese!tatio!# sessio!# tra!sport- applicatio!# physical# sessio!# tra!sport# !etwork# data li!k# prese!tatio!

- applicatio!# prese!tatio!# physical# sessio!# data li!k# tra!sport# !etwork - application presentation session transport network data link physical

- prese!tatio!# data li!k# sessio!# tra!sport# !etwork# physical# applicatio!

15. (elect the statee!ts that are correct co!cer!i!" !etwork protocols. *Choose three+- define the structure of layer specific PD!"s

- dictate how to accomplish layer functions

- outline the functions necessary for communications between layers

- liit hardware copati$ility- re6uire later depe!de!t e!capsulatio!s- elii!ate sta!dardi7atio! ao!" %edors

11. What ca! $e ide!tified $y e8ai!i!" the !etwork layer header?

- the destination device on the local media- the path to use to reach the desti!atio! host- the $its that will $e tra!sferred o%er the edia- the source applicatio! or process creati!" the data

12. Which layer e!capsulates the se"e!t i!to packets?- physical- data li!k - network

- tra!sport

1&. Which statee!t correctly ide!tify the role of i!terediary de%ices i! the !etwork? *Choose three+

- deteri!e pathways for data- initiate data communications

- retime and retransmit data signals

- originate the flow of data

- a!a"e data flows- fi!al teri!atio! poi!t data flow

1,. uri!" the e!capsulatio! process# what occurs at the data li!k layer?- No address is added



- The lo"ical address is added- The physical address is added

- The process port !u$er is added

1. What is the priary purpose of )ayer , port assi"!e!t?- to ide!tify de%ices o! the local edia

- to ide!tify the hops $etwee! source a!d desti!atio!- to ide!tify to the i!terediary de%ices the $est path throu"h the !etwork - to ide!tify the source a!d desti!atio! e!d de%ices that are cou!icati!"- to identify the processes or services that are communicating within the end devices

#$% What is the purpose of the TCP/IP Network Access )ayer?

a. Path deteri!atio! a!d packet switchi!"

$. ata represe!tatio!# e!codi!" a!d co!trol

c. 9elia$ility# flow co!trol# a!d error detectio!

d. Detaining the components that make up the physical link and how to access it

e. The di%isio! of se"e!ts i!to packets

1.What is the proper order of the layers of the '(I odel fro the hi"hest layer to the lowest layer?

a. Physical# !etwork# applicatio!# data li!k# prese!tatio!# sessio!# tra!sport

$. Applicatio!# physical# sessio!# tra!sport# !etwork# data li!k# prese!tatio!

c. Applicatio!# prese!tatio!# physical# sessio!# data li!k# tra!sport# !etwork

d. Application presentation session transport network data link physical

e. Prese!tatio!# data li!k# sessio!# tra!sport# !etwork# physical# applicatio!

Chapter &

1. What applicatio! layer protocol is coo!ly used to support for file tra!sfers $etwee! a clie!t a!d aser%er?

a. :T;)

$. :TTP

c. &TP

d. Tel!et

2. What are the two fors of applicatio! layer software? Choose 2



a. Applications

$. ialo"s

c. 9e6uests

d. 'ervices

e. (y!ta8

&. A !etwork adi!istrator is desi"!i!" a !etwork for a !ew $ra!ch office of twe!ty-fi%e users. Whatare the ad%a!ta"es of usi!" clie!t-ser%er odel? *choose 2+87

a. (entralized administration

$. oes !ot re6uire speciali7ed software

c. 'ecurity is easier to enforce

d. )ower cost iplee!tatio!

e. Pro%ides a si!"le poi!t of failure

,. What is the purpose of resource records i! N(?

a. Teporarily holds resol%ed e!tries

$. !sed by the server to resolve names

c. (e!t $y the clie!t to duri!" a 6uery

d. Passes authe!ticatio! i!foratio! $etwee! the ser%er a!d the clie!t

. What is the autoated ser%ice that atches resource !aes with the re6uired IP address?

a. :TTP

$. ((:

c. <=N

d. DN'

e. Tel!et

f. (;TP

0. What three protocols operate at the Applicatio! layer of the '(I odel? *Choose three+



a. A9P

$. DN'

c. PPP

d. ')TP

e. P*P

f. IC;P

. What are the three properties of peer-to peer applicatio!s? *Choose &+

a. Acts a s both a client and server within the same communication

$. 9e6uires ce!tali7ed accou!t adi!istratio!

c. +ybrid mode includes a centralized directory of files

d. (an be used in client-server networks

e. 9e6uires a direct physical co!!ectio! $etwee! de%ices

f. Ce!trali7ed authe!ticatio! is re6uired

. Which applicatio! layer protocols correctly atch a correspo!di!" fu!ctio!? *Choose 2+

a. N( dy!aically allocates IP addresses to hosts

$. +TTP transfers data from a web server to a client

c. P'P deli%ers eail fro the clie!t to the ser%er eail ser%er

d. (;TP supports file shari!"

e. Telnet provides a virtual connection for remote access

4. Which eail copo!e!ts are used to forward ail $etwee! ser%ers? *Choose two+

a. ;A

$. I;AP

c. )TA

d. P'P

e. ')TP



f. ;A

15. As copared to ((:# what is the priary disad%a!ta"e of Tel!et?

a. Not widely a%aila$le

$. Does not support encryption

c. Co!sues ore !etwork $a!dwidth

d. oes !ot support authe!ticatio!

11. Which statee!ts are correct co!cer!i!" the role of the ;TA i! ha!dli!" eail? *Choose three+

a. 9outes eail to the ;A o! other ser%ers

$. ,eceives email from the cleints )!A

c. 9ecei%es eail %ia the P'P& protocol

d. Passes email to the )DA for final delivery

e. !ses ')TP to route email between servers

f. eli%ers eail to clie!ts %ia the P'P& protocol

12. Which two protocols are used to co!trol the tra!sfer of we$ resources fro a we$ ser%er to a clie!t $rowser? Choose 2

a. A(P

$. <TP

c. :T;)

d. +TTP

e. +TTP'

f. IP

1&. A sall hoe !etwork has $ee! i!stalled to i!terco!!ect three coputers to"ether for "ai!" a!d fileshari!". What two properties represe!t this !etwork type? *Choose 2+

a. ser accou!ts are ce!trali7ed

$. 'ecurity is difficult to enforce

c. (peciali7ed operati!" syste software is re6uired



d. <ile perissio!s are co!trolled $y a si!"le coputer

e. A computer that responds to a file sharing re.uests is functioning as a ser%er

1,. Which layer of the '(I ;'3) supplies ser%ices that allow user to i!terface with the !etwork?

a. Physical

$. (essio!

c. Network

d. Prese!tatio!

e. Application

f. Tra!sport

1. What is the desti!atio! port used $y :TTP?

a. 2&

$. 2

c. /0

d. 115

e. 21

10. What are the 2 characteristics of peer to peer !etwork? Choose 2

a. (cala$le

$. '!e way data flow

c. Decentralized resources

d. Ce!trali7ed user accou!ts

e. ,esource sharing without a dedicated server

1. What applicatio! layer protocol descri$es the ser%ices that are used for file shari!" i! ;icrosoft!etworks?

a. :CP



$. N(

c. ')1

d. (;TP

e. Tel!et

1. What are the two characteristics of clie!ts i! data !etworks? Choose 2

a. se daeo!

$. 2nitiate data e3changes

c. Are repositories of data

d. )ay upload data to servers

e. )iste! for re6uests fro ser%ers

14. What is the role of the '(I applicatio! layer?

a. Pro%ides se"e!tatio! of data

$. Pro%ides e!cryptio! a!d co!%ersio! of data

c. Provides the interface between the applications on either end of the !etwork

d. Pro%ides co!trol of all the data flowi!" $etwee! the source a!d desti!atio! de%ices

25. :ow does applicatio! layer o! a ser%er usually process ultiple clie!t re6uest for ser%ices?

a. Ceases all co!!ectio!s to the ser%ice

$. e!ies ultiple co!!ectio!s to a si!"le daeo!

c. (uspe!ds the curre!t co!!ectio! to allow the !ew co!!ectio!

d. !ses support from lower layer functions to distinguish between co!!ectio!s to the ser%ice

Chapter ,

1. I! a! IP%, e!%iro!e!t# what i!foratio! is used $y the router to forward data packets fro o!e i!terface of a router to a!other?4 destination network address

source !etwork addresssource ;AC addresswell k!ow! port desti!atio! address



2. What i!foratio! is added duri!" e!capsulatio! at '(I )ayer &?source a!d desti!atio! ;ACsource a!d desti!atio! applicatio! protocolsource a!d desti!atio! port !u$er 4source and destination 2P address

&. I! a co!!ectio!less syste# which of the followi!" is correct?The desti!atio! is co!tacted $efore a packet is se!t.4 The destination is not contacted before a packet is sent%

The desti!atio! se!ds a! ack!owled"ee!t to the source that i!dicates the packet was recei%ed.The desti!atio! se!ds a! ack!owled"ee!t to the source that re6uests the !e8t packet to $e se!t.

,. Which IP packet field will pre%e!t e!dless loops?type-of-ser%iceide!tificatio!fla"s4 time-to-live

header checksu

. Which portio! of the !etwork layer address does a router use to forward packets?host portio!

$roadcast address4 network portion

"ateway address

0. 9efer to the e8hi$it. si!" the !etwork i! the e8hi$it# what would $e the default "ateway address for host Ai! the 142.1&&.214.5 !etwork?142.1&.25.1142.&1..1142.1&&.214.5

4 #56%#77%6#5%#

. If the default "ateway is co!fi"ured i!correctly o! the host# what is the ipact o! cou!icatio!s?The host is u!a$le to cou!icate o! the local !etwork.4 The host can communicate with other hosts on the local network but is unable to communicate with

hosts on remote networks%

The host ca! cou!icate with other hosts o! reote !etworks# $ut is u!a$le to cou!icate with hosts o!the local !etwork.There is !o ipact o! cou!icatio!s.

. What is the purpose of a default "ateway? physically co!!ects a coputer to a !etwork

pro%ides a pera!e!t address to a coputer ide!tifies the !etwork to which a coputer is co!!ectedide!tifies the lo"ical address of a !etworked coputer a!d u!i6uely ide!tifies it to the rest of the !etwork 4 identifies the device that allows local network computers to communicate with devices on other

networks

4. What type of routi!" uses i!foratio! that is a!ually e!tered i!to the routi!" ta$le?dy!aici!terior



4 static

sta!dard

15. Whe! the desti!atio! !etwork is !ot listed i! the routi!" ta$le of a Cisco router# what are two possi$leactio!s that the router i"ht take? *Choose two.+4 The router sends an A,P re.uest to determine the re.uired ne3t hop address%

The router discards the packet.The router forwards the packet toward the !e8t hop i!dicated i! the A9P ta$le.4The router forwards the packet to the interface indicated by the source address%

The router forwards the packet out the i!terface i!dicated $y the default route e!try.

11. What are the key factors to co!sider whe! "roupi!" hosts i!to a coo! !etwork? *Choose three.+4 gateways

purpose physical addressi!"software %ersio!4 geographic location

4 ownership

12. What is a copo!e!t of a routi!" ta$le e!try?the ;AC address of the i!terface of the router the desti!atio! )ayer , port !u$er the desti!atio! host address4the ne3t-hop address

1&. Which i!terediary de%ices could $e used to iplee!t security $etwee! !etworks? *Choose two.+4 router

hu$switch4 firewall

access poi!t

$rid"e

1,. What are three coo! pro$les with a lar"e !etwork? *Choose three.+too few $roadcasts4performance degradation

4 security issues

4 limited management responsibility

host ide!tificatio! protocol copati$ilit

1. 9efer to the e8hi$it. All de%ices show! i! the e8hi$it ha%e factory default setti!"s. :ow a!y $roadcastdoai!s are represe!ted i! the topolo"y that is show!?

&4 8

11



10. Which three statee!ts are true a$out routes a!d their use? *Choose three.+If !o route to the desti!atio! !etwork is fou!d# the packet is retur!ed to the pre%ious router.If the desti!atio! !etwork is directly co!!ected# the router forwards the packet to the desti!atio! host.4 2f multiple network entries e3ist for the destination network the most general route is used to forward

the packet%

4 2f no route e3ists for the destination network and a default route is present the packet is forwarded to

the ne3t-hop router%4 2f the originating host has a default gateway configured the packet for a remote network can be

forwarded using that route%

If a host does !ot ha%e a route a!ually co!fi"ured for the desti!atio! !etwork# the host will drop the packet.

1. 9efer to the e8hi$it. A !etwork adi!istrator is trou$leshooti!" a co!!ecti%ity pro$le a!d !eeds todeteri!e the address that is used to forward !etwork packets out the !etwork. si!" the !etstat -r coa!d#the adi!istrator would ide!tify which address as the address to which all hosts se!d packets that are desti!edfor a! outside !etwork?15.15.15.2012.5.5.14 #0%#0%#0%$

15.15.15.122,.5.5.5

1. 9efer to the e8hi$it. A !etwork adi!istrator !otices that there are too a!y $roadcasts o! the !etwork.What two steps ca! the !etwork adi!istrator take to resol%e this pro$le? *Choose two.+4 ,eplace '6 with a router%

Place all ser%ers o! (1.isa$le TCP/IP $roadcasts.4 'ubnet the #56%#$/%0%0 968 network%

isa$le all u!used i!terfaces o! the switches.

14. 9efer to the e8hi$it. The !etwork i! the e8hi$it is fully operatio!al. What two statee!ts correctly descri$ethe routi!" for the topolo"y that is show!? *Choose two.+

4 #56%#$/%0%6 is the ne3t-hop address that is used by ,7 to route a packet from the #0%0%0%0 network tothe #:6%#$%0%0 network%

15.5.5.1 is the !e8t-hop address that is used $y 91 to route a packet fro the 142.10.12.5 !etwork to the15.5.5.5 !etwork.142.10.5.1 is the !e8t-hop address that is used $y 91 to route a packet fro the 142.10.12.5 !etwork to the12.10.5.5 !etwork.12.10.5.1 is the !e8t-hop address that is used $y 9& to route a packet fro the 15.5.5.5 to the 12.10.5.5!etwork.4 #56%#$/%0%# is the ne3t-hop address that is used by ,6 to route a packet from the #:6%#$%0%0 network to

the #56%#$/%#6%0 network%

142.10.5.2 is the !e8t-hop address that is used $y 92 to route a packet fro the 12.10.5.5 !etwork to the142.10.12.5 !etwork.

25. What two characteristics are coo!ly associated with dy!aic routi!" protocols? *Choose two.+re6uire !o de%ice co!fi"uratio!4 provide routers with up-to-date routing tables

re6uire less processi!" power tha! static routes re6uireco!sue $a!dwidth to e8cha!"e route i!foratio!4 prevent manual configuration and maintenance of the routing table



21. What statee!t descri$es the purpose of a default route?A host uses a default route to tra!sfer data to a!other host o! the sae !etwork se"e!t.A host uses a default route to forward data to the local switch as the !e8t hop to all desti!atio!s.A host uses a default route to ide!tify the )ayer 2 address of a! e!d de%ice o! the local !etwork.4 A host uses a default route to transfer data to a host outside the local network when no other route to

the destination e3ists%

Chapter

1. I! a! e!%iro!e!t# what i!foratio! is used $y the router to forward data packets fro o!e i!terface of arouter to a!other?

a% Destination network address

$. source !etwork address

c. source ;AC address

d. well k!ow! port desti!atio! address

2. What i!foratio! is added duri!" e!capsulatio! at '(I layer &?

a. source a!d desti!atio! ;AC

$. source a!d desti!atio! applicatio! protocol

c. source a!d desti!atio! port !u$er

d% source and destination 2P address

&. I! a co!!ectio!less syste# which of the followi!" is correct?

a. The desti!atio! is co!tacted $efore a packet is se!t.

b% The destination is not contacted before a packet is sent%

c. The desti!atio! se!ds a! ack!owled"ee!t to the source that i!dicates the packet was recei%ed.

d. The desti!atio! se!ds a! ack!owled"e!t to the source that re6uests the !e8t packet to $e se!t.

,. Which IP packet field will pre%e!t loops?

a. type- of- ser%ice

$. ide!tificatio!

c. fla"s

d% time ;to-live



e. header checksu

. Which portio! of the !etwork layer address does a router use to forward packets?

a. host portio!

$. $roadcast address

c% network portion

d. "ateway address

0. 9efer to the e8hi$it. si!" the !etwork i! the e8hi$it# what would $e the default "ateway address for :ost Ai! the 142.1&&.214.5 !etwork?

a.142.1&.25.1

$. 142.&1..1

c. 142.1&&.214.5

d% #56%#77%6#5%#

. If the default "ateway is co!fi"ured i!correctly o! the host# what is the ipact o! cou!icatio!?

a. The host is u!a$le to cou!icate o! the local !etwork.

b% The host can communicate with other hosts on the local network but is unable to communicate with

hosts on remote networks%

c. The host ca! cou!icate with other hosts o! reote !etworks# $ut is u!a$le to cou!icate with hosts o!the local !etwork.

d. There is !o ipact o! cou!icatio!.

. What is the purpose of a default "ateway?

a. physically co!!ects a coputer to a !etwork

$. pro%ides a pera!e!t address to a coputer

c. ide!tifies the !etwork to which a coputer is co!!ected

d. ide!tifies the lo"ical address of a !etworked coputer a!d u!i6uely ide!tifies it to the rest of the !etwork.

e% identifies the device that allows local network computers to communicate with devices on other

networks

4. What type of routi!" uses i!foratio! that is a!ually e!tered i!to the routi!" ta$le?



a. dy!aic

$. i!terior

c% static

d. sta!dard

15. Whe! the desti!atio! !etwork is !ot listed i! the routi!" ta$le of a Cisco router# what are the two possi$leactio!s that the router i"ht take?

a. The router se!ds a! A9P re6uest to deteri!e the re6uired !e8t hop address.

b% The router discards the packet%

c. The router forwards the packet toward the !e8t hop i! the A9P ta$le.

d. The router forwards the packet to the i!terface $y the source address.

e% The router forwards the packet out the interface indicated by the default route entry%

11. What are the key factors to co!sider whe! "roupi!" hosts i!to a coo! !etwork? *Choose three+

a. "ateways

b% purpose

c. physical addressi!"

d. software %ersio!

e% geographic location

f% ownership

12. What is a copo!e!t of a routi!" ta$le e!try?

a. the ;AC address of the i!terface of the router

$. the desti!atio! )ayer , port !u$er

c. the desti!atio! host address

d% the ne3t-hop address

1&. Which i!terediary de%ices could $e used to iplee!t security $etwee! !etworks? *Choose two+

a% router



$. hu$

c. switch

d% firewall

e. access poi!t

f. $rid"e

1,. What are three coo! pro$les with a lar"e !etwork? *Choose three+

a. too few $roadcasts

b% performance degradation

c% security issues

d. liited a!a"ee!t respo!si$ility

e% host identification

f. protocol copati$ility

1. 9efer to the e8hi$it. All de%ices show! i! the e8hi$it ha%e factory default setti!"s. :ow a!y $roadcastdoai!s are represe!ted i! the topolo"y that is show!?

a. &

b% 8

c.

d.

e.

f. 11

10. Which three statee!ts are true a$out routes a!d their use? *Choose three+

a. If !o route to the desti!atio! !etwork is fou!d# the packet is retur!ed to the pre%ious router.

b% 2f the destination network is directly connected the router forwards the packet to the destination

host%

c. If ultiple !etwork e!tries e8ist for the desti!atio! !etwork# the ost "e!eral route is used to forward the packet.



d% 2f no route e3ists fro the destination network and a default route is present the packet is forwarded to

the ne3t-hop router%

e% 2f the originating host has a default gateway configured the packet for a remote network can be

forwarded using that route%

f. If a host does !ot ha%e a route a!ually co!fi"ured for the desti!atio! !etwork# the host will drop the packet.

1. 9efer to the e8hi$it. A !etwork adi!istrator is trou$leshooti!" a co!!ecti%ity pro$le a!d !eeds todeteri!e the address that is used to forward !etwork. si!" the !etstat >r coa!d# the adi!istrator wouldide!tify which address as the address to which all hosts se!d packets that are desti!ed for a! outside !etwork?

a. 15.15.15.20

$. 12.5.5.1

c% #0%#0%#0%$

d. 15.15.15.1

e. 22,.5.5.5

1. 9efer to the e8hi$it. A !etwork adi!istrator !otices that there are too a!y $roadcasts o! the !etwork.What two steps ca! the !etwork adi!istrator take to resol%e this pro$le? *Choose two.+

a% ,eplace '6 with a router

$. Place all ser%ers o! (1.

c. isa$le TCP/IP $roadcasts.

d% 'ubnet the #56%#$/%0%0968 network%

f. isa$le all u!used i!terfaces o! the switches.

14. 9efer to the e8hi$it. The !etwork i! the e8hi$it is fully operatio!al. What two statee!ts correctly descri$ethe routi!" for the topolo"y that is show!? *Choose two.+

a% #56%#$/%0%6 is the ne3t-hop address that is used by ,7 to route a packet from the #0%0%0%0 from

network to the #:6%#$%0%0 network%

$. 15.5.5.1 is the !e8t-hop address that is used $y 91 to route a packet fro the 142.10.12.5 fro !etwork tothe 15.5.5.5 !etwork.

c. 142.10.5.1 is the !e8t-hop address that is used $y 91 to route a packet fro the 142.10.12.5 fro !etworkto the 12.10.5.5 !etwork.

d. 12.10.5.1 is the !e8t-hop address that is used $y 9& to route a packet fro the 15.5.5.5 fro !etwork to the12.10.5.5 !etwork.



e% #56%#$/%0%# is the ne3t-hop address that is used by ,6 to route a packet from the #:6%#$%0%0 from

network to the #56%#$/%#6%0 network%

f. . 142.10.5.2 is the !e8t-hop address that is used $y 92 to route a packet fro the 12.10.5.5 fro !etworkto the 142.10.12.5 !etwork.

25. What two characteristics are coo!ly associated with dy!aic routi!" protocols? *Choose two.+

a. re6uire !o de%ice co!fi"uratio!

b% provide routers with up-to-date routing tables%

c. re6uire less processi!" power tha! static re6uire

d% consume bandwidth to e3change route information

f. pre%e!t a!ual co!fi"uratio! a!d ai!te!a!ce of the routi!" ta$le.

21. What statee!t descri$es the purpose of a default route?

a. A host uses a default route to tra!sfer data to a!other host o! the sae !etwork se"e!t.

$. A host uses a default route forward data to the local switch as the !e8t hop to all desti!atio!s.

c. A host uses a default route to ide!tify the layer 2 address of a! e!d de%ice o! the local !etwork.

d% A host uses a default route to transfer data to a host outside the local network when no other route to

the destination e3ists%

Chapter 0

**1. Refer to the exhibit. Which network prefix will work with the IP

addressing scheme shown in the graphic.

a. /24

b. /1

c. /2!

d. /27e. /2"

f. /2#

2. Which IP$4 s%bnetted addresses represent $alid host addresses& '(hoosethree.)

a. 12.1.4.12 /2

b. 172.16.4.155 /26c. 172.16.4.193 /26d. 12.1.4.+" /2

e. 12.1.4.1"+ /2

f. 172.16.4.207 /27,. Which statements are tr%e regarding IP addressing& '(hoose two.)



4. Which process do ro%ters %se to determine the s%bnet network address based

%pon a gi$en IP address and s%bnet mask&

a. -inar adding

b. exadecimal anding

c. -inar di$ision

d. -inar m%ltiplication

e. Binary ANDing

**". Refer to the exhibit. ost 0 is connected to the 03 b%t it cannot get

access to an reso%rce on the Internet. he config%ration of the host is shown

in the exhibit. What co%ld be the ca%se of the problem.

a. he host s%bnet mask is incorrect.

b. he defa%lt gatewa is a network.

c. he defa%lt gatewa is a network address.

d. he defa%lt gatewa is a broadcast address.

e. The defaul gae!ay i" #n a differen "ubne fr#$ he h#".

. What s%bnet mask wo%ld a network administrator assign to a network address

of 12.,!.1.! if it were possible to ha$e %p to 2"4 hosts&

a. 2"".2"".!.!

b. 255.255.255.0c. 2"".2"".2"4.!

d. 2"".2"".24#.!

. Which three IP addresses are pri$ate& '(hoose three.)

a. 12.1#.,,.1

b. 10.35.66.70c. 192.16%.99.5d. 172.1%.%%.90e. 1+2.,,."".#+

f. 12.,".1."

#. 5i$en the IP address and s%bnet mask of 12.1.1,4.4.2"".2"".2"".2243

which of the following wo%ld describe this address&

a. his is a %seable host address.

b. his is a broadcast address.

c. Thi" i" a ne!#r& addre"".d. his is not a $alid address.

+. 0 ro%ter interface has been assigned an IP address of 12.1.1+2.1 with a

mask of 2"".2"".2"".24#. o which s%bnet does the IP address belong&

a. 12.1.!.!

b. 12.1.1+2.!

c. 12.1.1+2.12#

d. 172.16.192.160e. 12.1.1+2.1#

f. 12.1.1+2.1

**1!. Refer to the exhibit. he network administrator has assigned the

internetwork . of -6I77 an address range of 1+2.1#.1!.!. his address range

has been s%bnetted %sing a /2+ mask. In order to accommodate a new b%ilding3

the technician has decided to %se the fifth s%bnet for config%ring the new

network 's%bnet 8ero is the first s%bnet). - compan policies3 the ro%ter

interface is alwas assigned the first %sable host address and the workgro%p

ser$er is gi$en the last %sable host address. Which config%ration sho%ld be

entered into the workgro%p ser$er9s properties to allow connecti$it to the

network.



a. IP address: 1+2.1#.1!.,# s%bnet mask: 2"".2"".2"".24! defa%lt

gatewa:1+2.1#.1!.,+

b. IP address: 1+2.1#.1!.,# s%bnet mask: 2"".2"".2"".24! defa%lt

gatewa:1+2.1#.1!.,,

c. '( addre"") 192.16%.10.3% "ubne $a"& 255.255.255.24% defaulgae!ay)192.16%.10.33d. IP address: 1+2.1#.1!.,+ s%bnet mask: 2"".2"".2"".24# defa%lt gatewa:

1+2.1#.1!.,1

e. IP address: 1+2.1#.1!.2"4 s%bnet mask:2"".2"".2"".! defa%lt gatewa:

1+2.1#.1!.!

11. Which of the following network de$ices are recommended to be assigned

static IP addresses& '(hoose two.)

a. 0 workstations

b. *er+er"c. Ne!#r& ,riner"d. -#uer"e. Remote workstations

f. aptops

12. Which of the following are feat%res of IP$& '(hoose three.)a. arger addre"" ",aceb. ;aster ro%ting protocols

c. Daa y,e" and cla""e" #f "er+iced. Auhenicai#n and encry,i#ne. Impro$ed host naming con$entions

f. 7ame addressing scheme as IP$4

1,. What is the primar reason for de$elopment of IP$&

a. 7ec%rit

b. eader format simplification

c. ,anded addre""ing ca,abiliie"

d. 0ddressing simplification

14. What two things will happen if a ro%ter recei$es an I(6P packet which has

a $al%e of 1 and the destination host is se$eral hops awa& '(hoose two.)

a. The r#uer !ill di"card b. he ro%ter will decrement the $al%e and forward the packet to the next

ro%ter on the path to the destination host.

c. The r#uer !ill "end a i$e eceeded $e""age # he "#urce h#".d. he ro%ter will increment the $al%e and forward the packet to the next

ro%ter on the path to the destination host.

e. he ro%ter will send an I(6P Redirect 6essage to the so%rce host.

**1". Refer to the exhibit. Wh wo%ld the response shown be displaed after

iss%ing the command ping 12.!.!.1 on a P(&

a. he IP settings are not properl config%red on the host.

b. 'nerne (r##c#l i" n# ,r#,erly in"alled #n he h#".c. here is a problem at the phsical or data link laer.

d. he defa%lt gatewa de$ice is not operating.

e. 0 ro%ter on the path to the destination host has gone down.

1. ow man bits make %p an IP$4 address&

a. 12#

b. 4

c. 4#

d. 32



**1. Refer to the exhibit. 0 network administrator disco$ers that host 0 is

ha$ing tro%ble with Internet connecti$it3 b%t the ser$er farm has f%ll

connecti$it. In addition3 host 0 has f%ll connecti$it to the ser$er farm.

What is a possible ca%se of this problem&

a. he ro%ter has an incorrect gatewa

b. ost 0 has an o$erlapping network address.

c. ost 0 has an o$erlapping network address.

d. ost 0 has an incorrect defa%lt gatewa config%red.

e. ost 0 has an incorrect s%bnet mask.

f. NAT i" reuired f#r he h#" A ne!#r&.

1#. What three facts are tr%e abo%t the network portion of an IP$4 address&

'(hoose three.)

a. Identifies an indi$id%al de$ice

b. '" idenical f#r all h#"" in a br#adca"" d#$ainc. Is altered as packet is forwarded

d. arie" in lengh

e. '" u"ed # f#r!ard ,ac&e"f. <ses flat addressing

1+. What is a gro%p of hosts called that ha$e identical bit patterns in the

high order bits of their addresses&

a. 0n internet

b. A ne!#r&c. 0n octet

d. 0 radix

2!. What is the network address of the host 12.2"..++ /2, in binar&

a. 1!1!11!!.!!!11!!1.!1!!!!11.!!!!!!!!

b. 1!1!11!!.!!!11!!1.!1!!!!11.11111111

c. 10101100.00011001.01000010.00000000d. 1!1!11!!.!!!11!!1.!1!!!!1!.!11!!!11

e. 1!1!11!!.!!!1!!!1.!1!!!!11.!11!!!1!

f. 1!1!11!!.!!!11!!1.!!!!!!!!.!!!!!!!!

**21. Refer to the exhibit. 0 network administrator has to de$elop an IP

addressing scheme that %ses the 1+2.1#.1.! /24 address apace. he network

that contains the serial link has alread been addressed o%t of a separate

range. =ach network will be allocated the same n%mber of host addresses. Which

network mask will be appropriate to address the remaining networks.

a. 2"".2"".2"".24#

b. 2"".2"".2"".224

c. 255.255.255.192d. 2"".2"".2"".24!

e. 2"".2"".2"".12#

f. 2"".2"".2"".2"2

Chapter

1. Which & factors should $e co!sidered whe! iplee!ti!" a layer 2 protocol i!a !etwork? Choose &

a. the layer & protocol selected

$. the geographic scope of the network



c. the P defi!ed $y the tra!sport layer

d. the physical layer implementation

e. the number of hosts to be interconnected

1 assui!" that the !etwork i! the e8hi$it is co!%er"ed ea!i!" therouti!" ta$les a!d A9P ta$les are coplete# which ;AC address will host A

place i! the desti!atio! address field of 3ther!et fraes desti!edfor www.ser%er ?

a. 55-1c-,1-a$-c5-55

$. 00%0c%/<%cf%$<%c0

c. 55-5c--cf-0-c1

d. 55-12-&f-&2-5-af

1 Which optio!s are properties of co!te!tio! $ased edia access for a sharededia? Choose &

a. non deterministic

$. less overhead

c. o!e statio! tra!sit at a tie

d. collisions e3ist

e. de%ices ust wait their tur!

f. de%ices ust wait their tur!

1 What is true co!cer!i!" physical a!d lo"ical topolo"ies?

a. the lo"ical topolo"y is always the sae as physical topolo"y

$. physical topolo"ies are co!cer!ed with how a !etwork tra!sfers fraes

c. Physical si"!al paths are defi!ed $y data li!k layer protocols.

d. Logical topologies consist of virtual connections between nodes

http://www.server/

http://www.server/



1 What deteri!es the ethod of edia access co!trol? Choose 2

a. !etwork layer addressi!"

$. media sharing

c. applicatio! processes

d. logical topology

e. i!terediary de%ice fu!ctio!s

1 What is true re"ardi!" edia access co!trol? Choose &

a. =thernet utilizes (')A9(D

$. Defined as placement of data frames on the media

c. Co!te!tio!-$ased access is also k!ow! as deteri!istic

d. 52.11 utili7es C(;A/C

e. Data link layer protocols define the rules for access to different media

f. Co!trolled access co!tai!s data collisio!s.

1 Which statee!ts descri$e the lo"ical toke!-passi!" topolo"y? Choose 2

a. !etwork usa"e is o! a first coe# first ser%e $asis

$. computers are allowed to transmit data only when they possess a token

c. ata fro a host is recei%ed $y all other hosts.

d. =lectronic tokens are passed se.uentially to each other%

e. Toke! passi!" !etworks ha%e pro$les with hi"h collisio! rates.

1 A !etwork adi!istrator has $ee! asked to pro%ide a "raphic represe!tatio! ofe8actly where the copa!y !etwork wiri!" a!d e6uipe!t are located i! the

$uildi!". What is this type of drawi!"?

a. lo"ical topolo"y



$. physical topology

c. ca$le path

d. wiri!" "rid

e. access topolo"y

1 What is the purpose of the prea$le i! a 3ther!et frae?

a. is used a pad for data

$. ide!tifies the source address

c. ide!tifies the desti!atio! address

d. arks the e!d of tii!" i!foratio!

e. is used for timing synchronization with alternating patterns of ones and

zeros

1 What statee!ts are true re"ardi!" addresses fou!d at each layer of the '(Iodel? Choose 2

a. layer 6 may identify devices by a physical address burned into the network

card

$. layer 2 ide!tifies the applicatio!s that are cou!icati!"

c. layer 7 represents a hierarchal addressing scheme

d. layer , directs cou!icatio! to the proper desti!atio! !etwork

e. layer , addresses are used $y i!terediary de%ices to forward data

1 Which statee!t descri$es the edia access co!trol ethods that are used $y

the !etworks i! the e8hi$it?

a. all & !etworks use C(;A/CA

$. !o!e of the !etworks re6uire edia access co!trol

c. network # uses (')A9(D and network 7 uses (')A9(A



d. !etwork 1 uses C(;A/C a!d !etwork 2 uses C(;A/CA

e. !etwork 2 uses C(;A/C a!d !etwork & uses C(;A/CA

1 9efer to the e8hi$it. :ow a!y u!i6ue C9C calculatio!s will take place as

traffic routes fro the PC to the laptop?

a. 1

a 2

$ ,

c /

1 A frae is $ei!" se!t fro the PC to the laptop. Which source ;AC a!d IP add $e i!cluded i! the frae as it lea%es router ? choose 2

a. source ;AC-PC

$. source ;AC-(515 o! 9outer A

c. source )A( ;&a0# on router 1

d. source 2P-P(

e. source IP s515 o! route A

f. source IP > <a51 of router

1 Which su$ layer of the data li!k layer prepares a si"!al to $e tra!sitted at the physical layer?

a. ))C

$. )A(

c. :)C

d. NIC

1 What two facts are true whe! a de%ice is o%ed fro o!e !etwork or su$!et toa!other? Choose 2



a. the layer 2 address ust $e reassi"!ed

$. the default "ateway address should !ot $e cha!"ed

c. the device will still operate at the same layer 6 address

d. applicatio!s a!d ser%ices will !eed additio!al port @s assi"!ed

e. the layer 7 address must be reassigned to allow communications to the new

network

1 What is the fu!ctio! of the data li!k layer?

a. pro%ides the foratti!" of data

$. pro%ides e!d to e!d deli%ery of data $etwee! hosts

c. pro%ides deli%ery of data $etwee! two applicatio!s

d. provides for the e3change data over a common local media

1 What is a characteristic of a lo"ical poi!t to poi!t topolo"y?

a. the !odes are physical co!!ected

$. the physical arra!"ee!t of the !odes is restricted

c. the media access control can be very simple

d. the data li!k layer protocol used o%er the li!k re6uire a lar"e frae header

1 What is a priary purpose of e!capsulati!" packets i!to fraes?

a. pro%ides routes across the i!ter!et work

$. forat data for prese!tatio! to the user

c. facilitate the entry and e3it of data on media

d. ide!tify the ser%ices to which tra!sported data is associated

1 What is the priary purpose of the trailer i! a data li!k layer frae?



a. defi!e the lo"ical topolo"y

a pro%ide edia access co!trol

$ support frame error detection

c carry routi!" i!foratio! for the frae

1 What are the & characteristics of %alid 3ther!et layer 2 addresses? Choose &

a. they are 8/ binary bits in length

$. they are considered physical addresses

c. they are generally represented in he3adecimal format

d. they co!sist of four ei"ht-$it octets of $i!ary !u$ers

e. they are used to deteri!e the data path throu"h the !etwork

f. They ust $e cha!"ed whe! a! 3ther!et de%ice is added or o%ed with i! the!etwork.

Chapter

1. Co!%ert the $i!ary !u$er 15111515 i!to its he8adecial e6ui%ale!t. (elect thecorrect a!swer fro the list $elow.

a.

$. 45

c% 1A

d. A1

e. &

f. 1C

2. Which of the followi!" descri$e i!terfrae spaci!"? Choose 2



a% the minimum interval measured in bit-times that any station must wait

before sending another frame

$. the a8iu i!ter%al# easured i! $it-ties# that a!y statio! ust wait $eforese!di!" a!other frae

c. the 40-$it payload paddi!" i!serted i!to a frae to achie%e a le"al frae si7e

d. the 40-$it frae paddi!" tra!sitted $etwee! fraes to achie%e propersy!chro!i7atio!

e% the time allowed for slow stations to process a frame and prepare for the

ne3t frame

f. the a8iu i!ter%al withi! which a statio! ust se!d a!other frae to a%oid

$ei!" co!sidered u!reacha$le

&. Whe! a collisio! occurs i! a !etwork usi!" C(;A/C# hose do hosts with data totra!sit respo!d after the $ackoff period e8pired.

a% the hosts return to a listen-before transmit mode%

$. the hosts creati!" the collisio! ha%e priority to se!d data.

c. the hosts creati!" the collisio! retra!sit the last 10 fraes

d. The hosts e8te!d their delay period to allow for rapid tra!sissio!

,. After a! 3ther!et collisio!# whe! the $ackoff al"orith is i!%oked which de%ice has priority to tra!sit data

a. the de%ice i!%ol%ed i! the collisio! with the lowest ;AC address

$. the de%ice i!%ol%ed i! the collisio! with the lowest IP address

c% any device in the collision domain whose backoff timer e3pires first%

d. those that $e"a! tra!sitti!" at the sae tie

. Which of the followi!" is a draw$ack of the C(;A/C access ethod?

a% (ollisions can decrease network performance



$. It is ore cople8 that !o!-deteri!istic protocols

c. eteri!istic edia access protocols slow !etwork perfora!ce.

d. C(;A/C )AN tech!olo"ies are o!ly a%aila$le at slower speeds that other

)AN tech!olo"ies

0. 9efer to the e8hi$it. The switch a!d workstatio! are adi!istrati%ely co!fi"ured for full-duple8 operatio!. Which statee!t reflects the operatio! of this li!k?

a. No collisio!s will occur o! this li!k

$. '!ly o!e of the de%ices ca! tra!sit at a tie

c. The switch will ha%e priority for tra!sitti!" data.

d% The devices will default back to half-duple3 if e3cessive collisions occur%

. Why do hosts o! a! 3ther!et se"e!t that e8perie!ce a collisio! uses a ra!dodelay $efore attepti!" to tra!sit a frae?

a. A ra!do delay is used to e!sure a collisio!-free li!k

$. A ra!do delay %alue for each de%ice is assi"!ed $y the a!ufacturer

c. A sta!dard delay %alue could !ot $e a"reed upo! ao!" !etworki!" de%ice%e!dors

d% A random delay helps prevent the stations from e3periencing another

collision during the tra!sissio!

. I! the "raphic# :ost A has reached 5 copletio! i! se!di!" a 1B 3ther!etfrae to :ost whe! :ost wishes to se!d ow! frae to :ost C. What ust :ost do?

a. :ost ca! tra!sit iediately si!ce it is co!!ected o! its ow! ca$le se"e!t

$. :ost ust wait to recei%e a C(;A tra!sissio! fro the hu$# to si"!al itstur!

c. :ost ust se!d a re6uest si"!al to :ost A $y tra!sitti!" a! i!terfrae "ap.



d% +ost 1 must wait until it is certain that +ost A has completed sending its

frame%

4. 3ther!et operates at which layers of the '(I odel? Choose 2

a. Network )ayer

$. Tra!sport )ayer

c% Physical Layer

d. Applicatio! )ayer

e. (essio! )ayer

f% Data-link layer

15. What does the I333 52.2 sta!dard represe!t i! 3ther!et tech!olo"ies?

a. ;AC su$layer

$. Physical layer

c% Logical Link (ontrol sublayer

d. Network layer

11. Which statee!ts correctly descri$e ;AC addresses? Choose &

a. dy!aically assi"!ed

b% copied ,A) during system startup

c. layer & address

d% contains a 7 byte *!2

e% $ bytes long

f. &2 $its lo!"

12. 9efer to the e8hi$it. :ost A is attepti!" to co!tact (er%er . Which statee!tscorrectly descri$e the addressi!" host "e!erates i! the process? Choose 2



a. A packet with the desti!atio! IP of 9outer

$. A frae with the desti!atio! ;AC address of (witch A

c. A packet with the desti!atio! IP of 9outer A

d% A frame with the destination )A( address of ,outer A

e% A packet with the destination of 2P of 'erver 1

f. A frae with the desti!atio! ;AC address of (er%er

1&. :ost A has a! P address of 12.10.2.4& a!d a ask of 2.2.2,.5. :ost A!eeds to cou!icate with a !ew host 12.10.2&1.. :ost A perfors ANi!"operatio! o! the desti!atio! address. What two thi!"s will occur? Choose 2

a. :ost A will cha!"e the desti!atio! IP to the IP of the !earest router a!d forwardthe packets

$. :ost A will $roadcast a! A9P re6uest for the ;AC of its default "ateway

c. A result of 12.10.22.5 will $e o$tai!ed.

d% +ost A will broadcast an A,P re.uest for the )A( of the destination host%

e. A result of 12.10.22,.5 will $e o$tai!ed.

f% A result of #:6%#$%66<%6<< will be obtained

1,. Which two features ake switches prefera$le to hu$s i! 3ther!et-$ased !etworks?Choose 2

a. reductio! i! cross-talk

b% minimizing of collisions

c. support of TP ca$li!"

d% division into broadcast domains

e. i!crease i! the throu"hput of cou!icatio!s

1. 3ther!et operates at which layer of the TCP/IP !etwork odel?



a. applicatio!

$. physical

c. tra!sport

d. i!ter!et

e. data li!k

f% network access

10. What are three fu!ctio!s of the upper data li!k su$ layer i! the '(I odel?Choose &

a. reco"!i7es streas of $its

b% identifies the network layer protocol

c% makes the connection with the upper layers

d. ide!tifies the source a!d desti!atio! applicatio!s

e% insulates network layer protocols from changes in physical e.uipment

f. deteri!es the source of a tra!sissio! whe! ultiple de%ices are tra!sitti!"

1. What three priary fu!ctio!s does data li!k layer e!capsulatio! pro%ide? Choose&

a% addressing

b% error detection

c% frame delimiting

d. port ide!tificatio!

e. path deteri!atio!

f. IP addressi!" resolutio!



1. What are the two ost coo!ly used edia types i! 3ther!et !etworks today?Choose 2

a% coa3ial thicknet

$. copper TP

c. coa8ial thi!!et

d. optical fi$er

e% shielded twisted pair

14. 9efer to the e8hi$it. Which optio! correctly atches the frae field type with theco!te!ts that frae field i!cludes?

a% header field ; preamble and stop frame

$. data field > !etwork layer packet

c. data field > physical addressi!"

d. trailer field > <C( a!d (o<

25. What is the priary purpose of A9P?

a. tra!slate 9)s to IP addresses

b% resolve 2P>8 addresses to )A( addresses

c. pro%ide dy!aic IP co!fi"uratio! to !etwork de%ices

d. co!%ert i!ter!al pri%ate addresses to e8ter!al pu$lic addresses.

Chapter 4

1. I! the "raphic# :ost A has reached 5 copletio! i! se!di!" a 1 B 3ther!etfrae to :ost whe! :ost wishes to tra!sit its ow! frae to :ost C. What ust:ost do?

a. :ost ca! tra!sit iediately si!ce it is co!!ected o! its ow! ca$lese"e!t.



$. :ost ust wait to recei%e a C(;A tra!sissio! fro the hu$# to si"!al itstur!.

c. :ost ust se!d a re6uest si"!al to :ost A $y tra!sitti!" a! i!terfrae "ap.

d. 44+ost 1 must wait until it is certain that +ost A has completed sending itsframe%

2 3ther!et operates at which layers of the '(I odel? *Choose two.+

a. Network layer

$. Tra!sport layer

c. 44Physical layer

d. Applicatio! layer

e. (essio! layer

f. 44Data-link layer

& Which of the followi!" descri$e i!terfrae spaci!"? *Choose two.+

a. 44the minimum interval measured in bit-times that any station must wait

before sending another frame

$. the a8iu i!ter%al# easured i! $it-ties# that a!y statio! ust wait $eforese!di!" a!other frae

c. the 40-$it payload paddi!" i!serted i!to a frae to achie%e a le"al frae si7e

d. the 40-$it frae paddi!" tra!sitted $etwee! fraes to achie%e propersy!chro!i7atio!

e. 44the time allowed for slow stations to process a frame and prepare for the

ne3t frame



f. the a8iu i!ter%al withi! which a statio! ust se!d a!other frae to a%oid $ei!" co!sidered u!reacha$le

, What three priary fu!ctio!s does data li!k layer e!capsulatio! pro%ide? *Choosethree.+

a. 44addressing

$. 44error detection

c. 44frame delimiting

d. port ide!tificatio!

e. path deteri!atio!

f. IP address resolutio!

Whe! a collisio! occurs i! a !etwork usi!" C(;A/C# how do hosts with data to

tra!sit respo!d after the $ackoff period has e8pired?

a. 44The hosts return to a listen-before-transmit mode% ?---

$. The hosts creati!" the collisio! ha%e priority to se!d data.

c. The hosts creati!" the collisio! retra!sit the last 10 fraes.

d. The hosts e8te!d their delay period to allow for rapid tra!sissio!.

0 What are three fu!ctio!s of the upper data li!k su$layer i! the '(I odel? *Choosethree.+

a. reco"!i7es streas of $its



$. 44identifies the network layer protocol

c. 44makes the connection with the upper layers

d. ide!tifies the source a!d desti!atio! applicatio!s

e. 44insulates network layer protocols from changes in physical e.uipment

f. deteri!es the source of a tra!sissio! whe! ultiple de%ices are tra!sitti!"

What does the I333 52.2 sta!dard represe!t i! 3ther!et tech!olo"ies?

a. ;AC su$layer

$. Physical layer

c. 44Logical Link (ontrol sublayer

d. Network layer

Why do hosts o! a! 3ther!et se"e!t that e8perie!ce a collisio! use a ra!do delay $efore attepti!" to tra!sit a frae?

a. A ra!do delay is used to e!sure a collisio!-free li!k.

$. A ra!do delay %alue for each de%ice is assi"!ed $y the a!ufacturer.

c. A sta!dard delay %alue could !ot $e a"reed upo! ao!" !etworki!" de%ice

%e!dors.

d. 44A random delay helps prevent the stations from e3periencing another

collision during the transmission%



4. 9efer to the e8hi$it. Which optio! correctly atches the frae field type with theco!te!ts that frae field i!cludes?

a. 44header field - preamble and stop frame

$. data field - !etwork layer packet

c. data field - physical addressi!"

d. trailer field - <C( a!d (o<

15 :ost A has a! IP address of 12.10.22.4& a!d a ask of 2.2.2,.5. :ost A!eeds to cou!icate with a !ew host whose IP is 12.10.2&1.. :ost A perforsthe ANi!" operatio! o! the desti!atio! address. What two thi!"s will occur?*Choose two.+

a. :ost A will cha!"e the desti!atio! IP to the IP of the !earest router a!d forwardthe packet.

$. :ost A will $roadcast a! A9P re6uest for the ;AC of its default "ateway.

c. A result of 12.10.22.5 will $e o$tai!ed.

d. 44+ost A will broadcast an A,P re.uest for the )A( of the destination

host%

e. A result of 12.10.22,.5 will $e o$tai!ed.

f. 44A result of #:6%#$%66<%6<< will be obtained%

11 Which of the followi!" is a draw$ack of the C(;A/C access ethod?

a. 44(ollisions can decrease network performance%

$. It is ore cople8 tha! !o!-deteri!istic protocols.

c. eteri!istic edia access protocols slow !etwork perfora!ce.



d. C(;A/C )AN tech!olo"ies are o!ly a%aila$le at slower speeds tha! other)AN tech!olo"ies.

12 3ther!et operates at which layer of the TCP/IP !etwork odel?

a. applicatio!

$. physical

c. tra!sport

d. i!ter!et

e. data li!k

f. 44network access

1& What is the priary purpose of A9P?

a. tra!slate 9)s to IP addresses

$. 44resolve 2Pv8 addresses to )A( addresses

c. pro%ide dy!aic IP co!fi"uratio! to !etwork de%ices

d. co!%ert i!ter!al pri%ate addresses to e8ter!al pu$lic addresses

1,. 9efer to the e8hi$it. The switch a!d workstatio! are adi!istrati%ely co!fi"ured

for full-duple8 operatio!. Which statee!t accurately reflects the operatio! of thisli!k?

a. 44No collisions will occur on this link%

$. '!ly o!e of the de%ices ca! tra!sit at a tie.



c. The switch will ha%e priority for tra!sitti!" data.

d. The de%ices will default $ack to half duple8 if e8cessi%e collisio!s occur.

1. 9efer to the e8hi$it. :ostDA is attepti!" to co!tact (er%erD. Which statee!tscorrectly descri$e the addressi!" :ostDA will "e!erate i! the process? *Choose two.+

a. A packet with the desti!atio! IP of 9outerD.

$. A frae with the desti!atio! ;AC address of (witchDA.

c. A packet with the desti!atio! IP of 9outerDA.

d. 44A frame with the destination )A( address of ,outer@A%

e. 44A packet with the destination 2P of 'erver@1%

f. A frae with the desti!atio! ;AC address of (er%erD.

10 Which statee!ts correctly descri$e ;AC addresses? *Choose three.+

a. dy!aically assi"!ed

$. 44copied into ,A) during system startup

c. layer & address

d. 44contains a 7 byte *!2

e. 44$ bytes long

f. &2 $its lo!"

1 Which two features ake switches prefera$le to hu$s i! 3ther!et-$ased !etworks?*Choose two.+

a. reductio! i! cross-talk



$. 44minimizing of collisions

c. support for TP ca$li!"

d. 44division into broadcast domains

e. i!crease i! the throu"hput of cou!icatio!s

1 What are the two ost coo!ly used edia types i! 3ther!et !etworks today?*Choose two.+

a. 44coa3ial thicknet

$. copper TP

c. coa8ial thi!!et

d. optical fi$er

e. 44shielded twisted pair

14 Co!%ert the $i!ary !u$er 15111515 i!to its he8adecial e6ui%ale!t. (elect thecorrect a!swer fro the list $elow.

a.

$. 45

c. 441A

d. A1

e. &

f. 1C



25 After a! 3ther!et collisio!# whe! the $ackoff al"orith is i!%oked# which de%icehas priority to tra!sit data?

1. the de%ice i!%ol%ed i! the collisio! with the lowest ;AC address

2. the de%ice i!%ol%ed i! the collisio! with the lowest IP address

&. 44any device in the collision domain whose backoff timer e3pires first

,. those that $e"a! tra!sitti!" at the sae tie

Chapter 15

1. 9efer to the e8hi$it. A stude!t worki!" i! the la$ selects a ca$le that is wired asshow!. Which co!!ectio! types ca! successfully $e ade with this ca$le? *Choosetwo.+

a. Co!!ecti!" a PC to a routers co!sole port

$. (onnecting two routers together via their fast =thernet ports

c. Co!!ecti!" two switches to"ether at Ei"a$its speeds

d. (onnecting two devices with the same interface type at &ast =thernetspeeds

2. Which optio! ide!tifies the priary i!terface which would $e used for i!itialco!fi"uratio! of a Cisco router?

a. AF i!terface

$. 3ther!et i!terface

c. (erial i!terface

d. (onsole interface



&. What akes fi$er prefera$le to copper ca$li!" for i!terco!!ecti!" $uildi!"s?*Choose three.+

a. reater distances per cable run

$. )ower i!stallatio! cost

c. Limited susceptibility to =)29,&2

d. ura$le co!!ectio!s

e. reater bandwidth potential

f. 3asily teri!ated

,. A !etwork adi!istrator is re6uired to use edia i! the !etwork that ca! ru! up to155 eters i! ca$le le!"th without usi!" repeaters. The chose! edia ust $ei!e8pe!si%e a!d easily i!stalled. The i!stallatio! will $e i! a pre-e8isti!" $uildi!"with liited ca$li!" space. Which type of edia would eet these re6uiree!ts?

a. (TP

$. !TP

c. Coa8ial

d. (i!"le-ode fi$er

e. ;ultiode fi$er

. What does the ter Gatte!uatio!H ea! i! data cou!icatio!?

a. Loss of signal strength as distance increases

$. Tie for a si"!al to reach its desti!atio!

c. )eaka"e of si"!als fro o!e ca$le pair to a!other

d. (tre!"the!i!" of a si"!al $y a !etworki!" de%ice



0. :ow a!y host addresses ay $e assi"!ed o! each su$!etwork whe! usi!" the1&.0.5.5 !etwork address with a su$!et ask of 2.2.2,.5?

a. &5

$. 20

c. 608$

d. 25,

e. ,54,

f. ,540

. Which su$!et ask would $e assi"!ed to the !etwork address of 142.10.&2.5 to pro%ide 2, usea$le host addresses per su$!etwork?

a. 2.2.2.5

$. 6<<%6<<%6<<%0

c. 2.2.2,.5

d. 2.2.2,.5

. A copa!y is pla!!i!" to su$!et its !etwork for a a8iu of 2 hosts. Whichsu$!et ask would pro%ide the !eeded hosts a!d lea%e the fewest u!used addresses i!each su$!et?

a. 2.2.2.5

$. 2.2.2.142

c. 6<<%6<<%6<<%668

d. 2.2.2.2,5



e. 2.2.2.2,

4. What type of !etwork ca$le is used $etwee! a teri!al a!d a co!sole port?

a. Cross-o%er

$. (trai"ht-throu"h

c. ,ollover

d. Patch ca$le

15. Which de%ice is used to create or di%ide $roadcast doai!s?

a. :u$s

$. (witch

c. rid"e

d. ,outer

e. 9epeater

11. 9efer to the e8hi$it. What desti!atio! IP address will PC1 place i! the header for a packet desti!ed for PC2?

a. 142.10.1.1

$. 142.10.2.1

c. 142.10.2.2

d. 142.10.&.1

e. #56%#$/%7%<8



1. 9efer to the e8hi$it. ased o! the IP co!fi"uratio! show!# what would $e theresult of :ost A a!d :ost attepti!" to cou!icate outside the !etworkse"e!t?

2.

a. oth host A a!d would $e successful

$. :ost A would $e successful# host would fail

c. +ost 1 would be successful host A would fail

d. oth :ost A a!d would fail

1&. Which tree types of co!!ectors are coo!ly associated with Ciscos .& serialca$les? *Choose three.+

a. 9J 11

$. D1 $0

c. Binchester #< pin

d. 4

e. 'mart serial

f. 9J ,

1,. 9efer to the e8hi$it. :ow a!y su$!ets are re6uired to support the !etwork that is

show!?

a. 2

$. 7

c. ,



d.

1. What are three coo! ethods for setti!" a TP 3ther!et port to ;I or ;IF

operatio!? *Choose three.+

a. Direct configuration of the device

$. Ca$le color code associatio!

c. Ca$le selectio! a!d co!fi"uratio!

d. se of ca$le testers to deteri!e pi!outs

e. The enabling of the mechanism to electrically swap the transmit andreceive pairs

f. The automatic detection and negotiating of )D29)D2C operation of the

port

10. 9efer to the e8hi$it. A stude!t is setti!" up a hoe !etwork priarily used fore8te!si%e file tra!sfers# streai!" %ideo# a!d "ai!". Which !etwork de%ice is $est

suited to these types of acti%ities i! the topolo"y show!?

a. Wireless access poi!t

$. 9outer

c. :u$

d. 'witch

1. Which three statee!ts are true a$out the role of routers i! the !etwork? *Choosethree.+

a. They propa"ate $roadcasts.

$. They e!lar"e collisio! doai!s.



c. They segment broadcasts domains%

d. They interconnected different network technologies%

e. =ach router interface re.uires a separate network or subnet%

f. They ai!tai! a coo! frae forat $etwee! )AN a!d WAN i!terfaces.

1. 9efer to the e8hi$it. A !etwork adi!istrator has decided to use packet capturesoftware to e%aluate all traffic fro the stude!t su$!et o! the way to the I!ter!et. Toe!sure that all packets are captured# what !etwork de%ice should $e used to co!!ectthe o!itori!" statio! to the !etwork $etwee! 91 a!d 92?

a. 9outer

$. +ub

c. (witch

d. Wireless access poi!t

14. 9efer to the e8hi$it. Assue that all de%ices are usi!" default setti!"s. :ow a!ysu$!ets are re6uired to address the topolo"y that is show!?

a. #

$. &

c. ,

d.

e.

25. 9efer to the e8hi$it. Which three statee!ts are true a$out the e8hi$ited topolo"y?*Choose three.+



a. :osts a!d C are i! the sae su$!et.

$. &ive broadcast domains are present%

c. +ost 1 is using a crossover cable to connect to the other router%

d. <our $roadcast doai!s are prese!t.

e. &ive networks are shown%

f. :ost is usi!" a rollo%er ca$le to co!!ect to the router.

21. To esta$lish a co!sole co!!ectio! fro a coputer to a Cisco router# which ca$le

wiri!" optio! would $e used?

a. Crosso%er ca$le

$. (trai"ht throu"h ca$le

c. ,ollover cable

d. .& ca$le

22. 9efer to the e8hi$it. Which three statee!ts ide!tify the type of ca$li!" thatwould $e used i! the se"e!ts that are show!? *Choose three.+

a. (e"e!t 1 uses $ack$o!e ca$li!".

$. 'egment # uses a patch cable%

c. (e"e!t & uses patch ca$li!"

d. 'egment 7 uses horizontal cabling%

e. 'egment 8 uses vertical cabling%



2&. 9efer to the e8hi$it. A !etwork tech!icia! has $ee! allocated the 142.10.1.5/2, pri%ate IP address ra!"e for use i! the !etwork that show! i! the e8hi$it. Whichsu$!et ask would $e used to eet the host re6uiree!ts for se"e!t A of thisi!ter!etwork?

a. 2.2.2.12

$. 2.2.2.142

c. 6<<%6<<%6<<%668

d. 2.2.2.2,5

e. 2.2.2.2,

Chapter 11

(+APT=, ##

1. Iediately after a router copletes its $oot se6ue!ce# the !etwork adi!istratorwa!ts to check the routers co!fi"uratio!. <ro pri%ile"ed 3F3C ode# which of thefollowi!" coa!ds ca! the adi!istrator use for this purpose? *Choose two.+

•

(how flash

• (how N9A;

• 'how startup-config

• 'how running-config

• (how %ersio!

2. sers i! the !etwork are e8perie!ci!" slow respo!se tie whe! doi!" file tra!sfersto a reote ser%er. What coa!d could $e issued to deteri!e if the router hase8perie!ced a!y i!put or output errors?

• (how ru!!i!" > co!fi"

• (how startup- co!fi"



• 'how interfaces

• (how ip route

• (how %ersio!

• (how eory

&. 9efer to the e8hi$it. A tech!icia! applies the co!fi"uratio! i! the e8hi$it to a clea!router. To %erify the co!fi"uratio!# the tech!icia! issues fro the show running

config coa!d i! the C)I sessio! with the router. What li!es should the tech!icia!e8pect to see i! the router output fro the show running config coa!d?

• 3!a$le password class

)i!e co!sole 5 Password cc!a

• 3!a$le secret cisco

3!a$le password class)i!e co!sole 5

Password cc!a

•

3!a$le secret 1K%5/&K=y=WJyT7Ca/ya9asJ5

3!a$le password class )i!e co!sole 5 Password cc!a

• 3!a$le secret cisco

3!a$le password 1,1,135A1<1 )i!e co!sole 5

Password 52555A

• =nable secret < #v097EyEBmFyT:z(a9ya1,asFm0

=nable password : #8#8#=0A#&#:

Line console 0

Password : 060<0:<<0A



,. 9efer to the e8hi$it. A !etwork adi!istrator o! :ostA has pro$les accessi!" the<TP ser%er. )ayer three co!!ecti%ity testi!" was successful fro :ostA to the (1i!terface of 9outer. Which set of coa!ds will allow the !etwork adi!istrator totel!et to 9outer a!d ru! the de$u" coa!ds?

• 9outer*co!fi"+@ e!a$le secret class

9outer*co!fi"+@ li!e %ty 5 , 9outer$*co!fi"-if+@ lo"i!


9outer*co!fi"+@ li!e %ty 5 2 9outer*co!fi"-%ty+@ password cisco 9outer*co!fi"-%ty+@ lo"i!

• ,outer1GconfigHI enable secret class

,outer1GconfigHI line vty 0

,outer1Gconfig-lineHI password cisco

,outer1Gconfig-lineHI login


9outer*co!fi"+@ li!e au8 5 9outer*co!fi"-li!e+@ password cisco 9outer*co!fi"-li!e+@ lo"i!


9outer*co!fi"+@ li!e au8 5 9outer*co!fi"-%ty+@ password cisco 9outer*co!fi"-%ty+@ lo"i!

. The co!!ectio! $etwee! routers a!d C has $ee! successfully tested. :owe%er#after re$ooti!" router C# the adi!istrator !oticed the respo!se tie $etwee!!etworks 15.15.&.5 a!d 15.15.,.5 is slower. Pi!" $etwee! the two routers issuccessful. A trace route i!dicates three hops fro router to router C. What else ca!

$e do!e to trou$leshoot the pro$le?



a. Pi!" router (5/1 co!!ectio! fro router C.

$. Trace the co!!ectio! $etwee! router to router C (5/1.

c. Issue a show ip route coa!d i! router to %erify routi!" is e!a$led.

d. 2ssue a show ip interface brief command on router (%

0. What coa!d is used to cha!"e the default router !ae to <o!ta!a?

a. 9outer I name &ontana

$. 9outer@ hostname &ontana

c. 9outer*co!fi"+I name &ontana

d. Router(config)# hostname Fontana

. The serial co!!ectio! show! i! the "raphic !eeds to $e co!fi"ured. Whichco!fi"uratio! coa!ds ust $e ade o! the (yd!ey router to esta$lish co!!ecti%itywith the ;el$our!e site? *Choose three.+

• 'ydneyGconfig-ifHI ip address 60#%#00%<7%6%6<<%6<<%6<<%0

• 'ydneyGconfig-ifHI no shutdown

• (yd!ey*co!fi"-if+@ ip address 251.15.&.1.2.2.2.22,

• 'ydneyGconfig-ifHI clock rate <$000

• (yd!ey*co!fi"-if+L ip host ;el$our!e 251.155.&.2

. 9efer to the e8hi$it. The output is show! for the show ip route coa!d e8ecutedo! 9outer A. What does the IP address 142.10.2.2 represe!t?



• Eateway for the 142.10.1.5 !etwork

• Eateway for the 142.10.&.5 !etwork

• IP assi"!ed to the serial port o! 9outer A

• 2P assigned to the serial port on ,outer 1

4. 9efer to the e8hi$it. What additio!al coa!d is re6uired to allow reote accessto this switch?

• NA-(W1 *co!fi"-if+@ !o shutdow! password

• NA-(W1 *co!fi"+@ e!a$le password address

• NA-'B# GconfigHI ip default-gateway address

• NA-(W1 *co!fi"-if+I description description

15. I! a Cisco de%ice# where id the I'( file stored prior to syste startup?

• 9A;

• 9';

• &lash

• N9A;

11. Whe! !etwork ser%ices fail# which port is ost ofte! used to access a router fora!a"ee!t purposes?

• AF

• 3ther!et

• (onsole

• Tel!et

• ((:



12. A !etwork adi!istrator !eeds to keep the user I# password# a!d sessio! co!te!ts pri%ate whe! esta$lishi!" reote C)I co!!ecti%ity with a router to a!a"e it. Whichaccess ethod should $e chose!?

• Tel!et

• Co!sole

• AF

• ''+

1&. I! a Cisco router# whe! do cha!"es ade to the ru!!i!"-co!fi"uratio! take effect?

• After a syste restart

• As the commands are entered

• Whe! lo""i!" off the syste

• Whe! the co!fi"uratio! is sa%ed to the startup-co!fi"uratio!

1,.9efer to the e8hi$it. Which !aes correctly ide!tify the C)I ode represe!ted $ythe propt for (witch-3ast,@/ *Choose two.+

• )i!e co!fi"uratio! ode

• !ser e3ecutive mode

• Elo$al co!fi"uratio! ode

• Pri%ile"ed e8ecuti%e ode

• I!terface co!fi"uratio! ode

• =nable mode

1. Which three ters correctly defi!e the fors of help a%aila$le withi! the CiscoI'(? *Choose three.+

• +ot keys



• Co!te8t-check

• (onte3t-sensitive

• (tructured check

• Coa!d o%erride

• (ommand synta3 check

10. Which co$i!atio! of keys would $e used at the C)I propt to i!terrupt a pi!" or traceroute process?

• Ctrl-C

• Ctrl-P

• Ctrl-9

• (trl-'hift-$

• Ctrl-M

1. 9efer to the e8hi$it. What coa!d will place the router i!to the correct ode to

co!fi"ure a! appropriate i!terface to co!!ect to a )AN?

• A;A@ co!fi"ure teri!al

• A;A *co!fi"+@ li!e %ty 5 ,

• A;A *co!fi"+@ li!e co!sole 5

• A;A *co!fi"+@ i!terface (erial 5/5/5

• !1A)A GconfigHI interface &ast=thernet 09#

14. 9efer to the e8hi$it. A stude!t is respo!si$le for the IP addressi!"# co!fi"uratio!a!d co!!ecti%ity testi!" of the !etwork show! i! the "raphic. A pi!" host to host Cresults i! a desti!atio! u!reacha$le $ut a pi!" fro host to host A was successful.What two reaso!s could accou!t for this failure $ased o! the "raphic a!d partial router output for the allas router? *Choose two.+



• The host A is tur!ed off.

• The <a5/5 i!terface o! allas is shutdow!.

• The )AN ca$le is disco!!ected fro host .

• The '0909# 2P address of Dallas is in a different subnet than host 1%

• The clock rate is missing on the serial link between Dallas and NJ(%

ccna1 questions and answers (ch2 - ch11) (1)

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