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1. What information can DHCP provide to clients? (Choose the 3 bestanswers.)

❍ A. Clock information

❍ B. IP information

❍

C. D! information❍

D. "atewa# information1. B, C, D. DHCP works d#namicall# to provide IP address$ D!$ anddefa%lt &atewa# information.'nswer ' is incorrect beca%se the etwork ime Protocol (P)provides clock information.

2. Which of the protocols are %sed b# email? (Choose the bestanswers.)

❍ A. P*P3

❍

B. !+P

❍ C. !+P

❍ D. DHCP

2. A, B. P*P3 receives email on an Internet server and !+P sendsemail across a network. 'nswerC is incorrect beca%se !+P is a network mana&ement protocol andanswer D is incorrectbeca%se DHCP is the d#namic host con,&%ration protocol.

3. What takes place when a collision occ%rs on an ethernet network?(Choose the 3 best answers.)

❍ A. -ver# device stops transmittin& for a short time.

❍ B. ' am si&nal is sent to notif# devices of a collision.

❍

C. ' collision si&nal is sent to notif# devices of a collision.

❍ D. ' random back/o0 al&orithm starts

3. A, B, D. When a collision occ%rs on an ethernet network a amsi&nal is sent to notif# devices of acollision and a random back/o0 al&orithm starts while ever# device

stops transmittin& for a shorttime. 'nswer C is incorrect beca%se a am si&nal is sent rather thana collision si&nal.

4. What is the *1I of the +'C address 24'546D4748942?

❍ A. 2

❍ B. 748942

❍ C. 24'5

❍ D. 24'546D

4. D. he *1I of a +'C address is the or&ani:ationall# %ni;%eidenti,er that is assi&ned b# the man%fact%rer


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of the network interface card (IC). he *1I consists of the ,rst <he=adecimal di&its.'nswer ' is incorrect beca%se it onl# consists of he=adecimaldi&its. 'nswer 5 is incorrectbeca%se it is not the ,rst < he=adecimal di&its of the +'C address24'546D4748942. 'nswer C isincorrect beca%se it onl# consists of 6 he=adecimal di&its.

5. ' +'C address is> (Choose the best answers.)

❍ A. ' %ni;%e hardware address in a broadcast domain

❍ B. ' %ni;%e IP address in a broadcast domain

❍ C. Provided b# the man%fact%rer of the IC

❍ D. Con,&%red man%all# b# the network administrator

5. A, C. he +'C address is a %ni;%e hardware address in thebroadcast domain and the man%fact%rerof the IC provides +'C addresses. 'nswer 5 is incorrect beca%se IPaddresses are lo&icaladdresses %sed b# the etwork la#er. 'nswer D is incorrect beca%sea +'C address is not con,&%redman%all# b# a network administrator.

6. 't what la#er of the *!I model do #o% ,nd +'C addresses?

❍

A. ransport

❍ B. etwork

❍ C. Data ink

❍ D. Ph#sical

6. C. +'C addresses are fo%nd at the Data ink la#er of the *!Imodel. 'nswers '$ 5$ and D areincorrect beca%se +'C addresses are not fo%nd at the ransport$etwork$ or Ph#sical la#er of the*!I model.

7. 't what la#er of the *!I model do #o% ,nd se;%ence n%mbers?

❍ A. 'pplication

❍ B. Presentation

❍ C. !ession

❍ D. ransport

7. D. he ransport la#er %ses se;%ence n%mbers. Data se&mentsare se;%enced into their ori&inal

order when the# arrive at the destination. 'nswers '$ 5$ and C areincorrect beca%se se;%ence


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n%mbers are not fo%nd at the 'pplication$ Presentation$ or !essionla#er of the *!I model.

8. 't what la#er of the *!I model do #o% ,nd IP addresses?

❍ A.

ransport❍ B. etwork

❍ C. Data ink

❍ D. Ph#sical

9. What kind of PD1 is %sed at the Data ink la#er of the *!I model?

❍ A. 5it

❍ B. !e&ment

❍ C.

Packet@Data&ram❍ D. 7rame

9. D. he Data ink la#er %ses frame PD1s to encaps%late data.'nswers '$ 5$ and C are incorrectbeca%se se&ments are %sed at the ransport la#er$ whereaspacket@data&rams are %sed at theetwork la#er and bits are %sed b# the Ph#sical la#er of the *!Imodel.

10. What kind of PD1 is %sed at the etwork la#er of the *!I model?

❍

A. !e&ment❍

B. Packet@Data&ram

❍ C. 5it

❍ D. 7rame

10. B. he etwork la#er of the *!I model %ses packets@data&rams.'nswers '$ C$ and D are incorrectbeca%se the 'pplication$ Presentation$ and !ession la#ers of the *!Imodel transmit data.

11. What kind of PD1 is %sed at the ransport la#er of the *!Imodel?

❍

A. !e&ment

❍ B. Data

❍ C. 7rame

❍ D. 5it

11. A. !e&ments are %sed at the ransport la#er of the *!I model.'nswer 5 is incorrect beca%se thethree %pper la#ers of the *!I model transmit data. 'nswer C isincorrect beca%se the Data ink


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la#er transmits frames$ and answer D is incorrect beca%se thePh#sical la#er transmits bits

12. What is the correct order for data encaps%lation?

❍ A.

!e&ment$ packet$ frame$ data$ bit❍ B. Data$ se&ment$ packet$ frame$ bit

❍ C. 5it$ frame$ packet$ se&ment$ data

❍ D. Data$ packet$ se&ment$ frame$ bit

12. B. -ncaps%lation occ%rs from the 'pplication la#er and then ispassed down thro%&h the lower la#ersof the *!I model. he PD1s are sent b# the 'pplication la#er as dataand then the# are encaps%latedwith a se&ment at the ransport la#er. 't the etwork la#er these&ment is encaps%lated into a packet@

data&ram that is passed down to the Data ink la#er$ whichencaps%lates a frame and hands it o0 to the Ph#sical la#er$ which %ses bits.

13. Ao%ters look at the BBBBBBBBBBBBBBBB when makin& a ro%tin&decision.

❍ A. Destination IP address

❍ B. !o%rce IP address

❍ C. Destination +'C address

❍

D. !o%rce +'C address13. A. Ao%ters look at the destination IP address to determinewhere to forward the packet. 'nswers 5$C$ and D are incorrect beca%se a ro%ter does not e=amine the so%rceIP address$ destination +'Caddress$ or so%rce +'C address to make forwardin& decisions.

14. What protocol is assi&ned to port n%mbers 2 and ?

❍ A. D!

❍ B. elnet

❍

C. 7P

❍ D. !+P

14. C. 7P is assi&ned to port n%mbers 2 and . 'nswers '$ 5$and D are incorrect beca%se elnet isassi&ned port n%mber 3$ D! is assi&ned port n%mber 3$ and!+P is assi&ned port n%mber .

15. What protocol is assi&ned to port n%mber 82?

❍

A. !+P

❍

B. HP❍

C. P*P3


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❍ D. DHCP

15. B. HP is assi&ned port n%mber 82. 'nswers '$ C$ and D areincorrect beca%se !+P is assi&nedport n%mber


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19. A. A'AP maps +'C addresses to an IP address$ whereas answer5 is incorrect beca%se 'AP mapsan IP address to a +'C address. 'nswer C is incorrect beca%se IC+Psends messa&es across thenetwork via pin&$ and tracero%te enables a ro%ter to respond to an'AP re;%est that has been sent toa remote host. 'nswer D is also incorrect beca%se some 1ni=machines (especiall# !olaris) rel# on

20. What CP@IP protocol provides terminal em%lation to a remotehost?

❍ A. HP

❍ B. EP

❍ C. elnet

❍

D. !+P20. C. elnet provides for terminal em%lation to a remote host.'nswers '$ 5$ and D are incorrectbeca%se HP is a web/browsin& application$ EP is a privatenetwork that can access p%blic networksremotel#$ and !+P is a network mana&ement application.


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. Which of the followin& is the I--- standard for token rin&?❍ '. 82.

❍ 5. 82.3a

❍ C. 82.3%

❍ D. 82.

1. D. IEEE 802.5 defnes token ring. Answers A, B, and C areincorrect because IEEE 802.2 defnesLLC, 802.3a defnes ethernet, and 802.3u defnes astEthernet.

. '!I F39. is the speci,cation for which ' technolo?

❍ '. oken rin&

❍ 5. 7ast -thernet

❍ C. 7DDI

❍ D. C

2. C. '!I F39. de,nes 7DDI. 'nswers '$ 5$ and D areincorrect beca%se the# are all I--- standards.I--- 82. de,nes token rin&$ 82.3% de,nes 7ast -thernet$

and 82. de,nes C

3. What Data ink la#er technolo inserts a three/b#te token(or special bit pattern) into a frame and passes it in a sin&ledirection from one node to another %ntil it forms a complete

loop?❍ '. oken/passin&

❍ 5. 1nicast

❍ C. +%lticast

❍ D. 5roadcast

3. A. oken/passin& inserts a three/b#te token (or special bitpattern) into a frame and passes it in asin&le direction from one node to another %ntil it forms a

complete loop. 'nswers 5$ C$ and D are


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all incorrect beca%se %nicast$ m%lticast$ and broadcast are allt#pes of ethernet addresses.

4. Which of the followin& ' protocols %se token/passin& forframe transmission? (Choose the best answers.)

❍ A. 7ast -thernet

❍ B. oken rin&

❍ C. "i&abit -thernet

❍ D. 7DDI4. B, D. oken rin& and 7DDI %se token/passin& to send frames.

'nswers ' and C are incorrectbeca%se 7ast -thernet and "i&abit -thernet both %se 82.3+'C and 82. C headers and trailersfor framin&5. his +'C s%bla#er address t#pe identi,es the +'C addressof an individ%al ' or IC card.

❍ A. 1nicast

❍ B. +%lticast

❍ C. 5roadcast

❍

D. oken5. A. 1nicast addresses identif# the +'C address of anindivid%al ' or IC card. 'nswer 5 isincorrect beca%se m%lticast addresses send a frame to a &ro%pof devices in the same '.'nswer C is incorrect beca%se broadcast addresses send aframe to all the devices in the same'. 'nswer D is incorrect beca%se a token is a special bitpattern %sed with token/passin&networks.

6. Which of the followin& addresses is an e=ample of a %nicastaddress? (Choose all that appl#.)

❍ A. 2222.2C.36<

❍ B. 222.-.36<

❍ C. 7777.7777.7777

❍ D. 222..

6. A, D. 5oth 2222.2C.36< and 222.. are %nicastaddresses. 2222.2C is CiscoGs *1I.


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'nswers 5 and C are incorrect beca%se 222.-.36< is am%lticast address and 7777.7777.7777is a broadcast address7. his +'C s%bla#er address t#pe sends a frame to a s%bset of

devices on the '.❍ A. 1nicast

❍ B. +%lticast

❍ C. 5roadcast

❍ D. oken7. B. +%lticast addresses send a frame to a s%bset of devicesin the same '. 'nswer ' is incorrectbeca%se %nicast addresses identif# the +'C address of anindivid%al ' or IC card. 'nswer C isincorrect beca%se broadcast addresses send a frame to all thedevices in the same '. 'nswer Dis incorrect beca%se a token is a special bit pattern %sed withtoken/passin& networks.

8. Which of the followin& addresses is an e=ample of am%lticast address?

❍ A. 2222.2C.36<

❍ B. 222.-.36<

❍ C. 7777.7777.7777

❍ D. 222..

8. B. 222.-.36< is a m%lticast address. +%lticastaddresses alwa#s start with 222.-.'nswers ' and D are incorrect beca%se both 2222.2C.36<and 222.. are %nicastaddresses. 'nswer C is incorrect beca%se 7777.7777.7777 is a

broadcast address

9. his +'C s%bla#er address t#pe sends a frame to all thedevices on the '.

❍ A. 1nicast

❍ B. +%lticast

❍ C. 5roadcast

❍ D. oken9. C. 5roadcast addresses send a frame to all the devices in

the same '. 'nswer ' is incorrect


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beca%se %nicast addresses identif# the +'C address of anindivid%al ' or IC card. 'nswer 5 isincorrect beca%se m%lticast addresses send a frame to a s%bsetof devices in the same '.

'nswer D is incorrect beca%se a token is a special bit pattern%sed with token/passin& networks

10. Which of the followin& addresses is an e=ample of abroadcast address?

❍ A. 2222.2C.36<

❍ B. 222.-.36<

❍ C. 7777.7777.7777

❍ D. 222..10. C. 5roadcast addresses are alwa#s represented as7777.7777.7777. 'nswers ' and D are incorrectbeca%se both 2222.2C.36< and 222.. are %nicastaddresses. 'nswer 5 is incorrectbeca%se 222.-.36< is a m%lticast address.

11. he *!I model Data ink la#er %ses BBBBBBBBBB to transportdata between la#ers.

❍ A. 5its

❍ B. 7rames

❍ C. Packets

❍ D. !e&ments11. B. 7rames are %sed b# the Data ink la#er to transport databetween the etwork and Ph#sicalla#er. 7ramin& is the process of interpretin& data that is eitherreceived or sent o%t across the network.'nswers '$ C$ and D are incorrect beca%se bits are %sed at the

Ph#sical la#er$ packets are%sed at the etwork la#er$ and se&ments are %sed at the

ransport la#er of the *!I model.

12. Which ,eld of a frame is %sed for error detection?

❍ A. !'P

❍ B. D!'P

❍ C. !!'P

❍ D. 7C!


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12. D. he frame check se;%ence (7C!) ,eld of a frame %ses amathematical form%la to determinewhether an# bit errors occ%rred d%rin& data transmission.'nswer ' is incorrect beca%se !ervice

'ccess Point (!'P) identi,es the %pper/la#er protocol s%ch as IP.'nswer 5 is incorrect beca%seD!'P is the destination !'P or destination %pper/la#er protocol.'nswer C is incorrect beca%se

13. Which I--- -thernet standards de,ne "i&abit -thernet?(Choose all that appl#.)

❍ A. 82.3%

❍ B. 82.3ab

❍

C. 82.3:❍ D. 82.3ae

13. B, C. I--- 82.3ab and 82.3: de,ne "i&abit -thernetstandards. 'nswers ' and D are incorrectbeca%se 82.3% de,nes the 7ast -thernet standard$ and82.3ae de,nes the 2 "i&abit -thernetstandard.

14. 5rid&es and switches se&ment a network and create anadditional BBBBBBBBBBBBBBB domain foreach se&ment.

❍ A. Collision

❍ B. 5roadcast

❍ C. 1nicast

❍ D. +%lticast

14. A. Collision domains are increased with the addition ofbrid&es or switches on a network. 'nswer5 is incorrect beca%se ro%ters create additional broadcastdomains. 'nswers C and D are incorrectbeca%se %nicast and m%lticast are both addresses %sed b#ethernet.

15. 5rid&es and switches e=amine the BBBBBBBBBBBBBBBBBB ofeach inbo%nd frame to learn +'C

addresses.


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❍ A. +%lticast +'C address

❍ B. 5roadcast +'C address

❍ C. !o%rce +'C address

❍ D. Destination +'C address15. C. he so%rce +'C address of an incomin& frame ise=amined b# a brid&e or switch to learn the+'C address for the brid&e table. 'nswers ' and 5 are incorrectbeca%se m%lticast and broadcastaddresses can never be the so%rce +'C address. 'nswer D isincorrect beca%se the destination+'C address is not %sed b# a brid&e or switch to create thebrid&e table.

16. Which device %ses '!IC hardware chips for frameforwardin&?

❍ A. H%b

❍ B. Aepeater

❍ C. 5rid&e

❍ D. !witch16. D. !witches %se '!IC hardware chips for frame forwardin&.'nswers ' and 5 are incorrect

beca%se h%bs and repeaters do not forward frames beca%sethe# are Ph#sical la#er or a#er devices. 'nswer C is incorrect beca%se brid&es %se software forframe forwardin&.

17. With a 2+bps ethernet '$ dedicated bandwidth enablesa switch port to &%arantee what datatransmission speed?

❍ A. 2+bps

❍

B. 22+bps❍ C. 222+bps

❍ D. 2$222+bps17. A. 2+bps is &%aranteed with dedicated bandwidth on a2+bps ethernet '. 'nswers 5$ C$ andD are incorrect beca%se other speeds of 22$ 222$ and2$222+bps are all faster speeds thatre;%ire a di0erent ethernet18. his Data ink protocol eliminates loops that are ca%sed b#red%ndant connections.


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❍ A. CAC

❍ B. 7C!

❍ C. C!+'@CD

❍ D. !P

18. D. !pannin& ree Protocol (!P) is a Data ink protocol thateliminates loops ca%sed b# red%ndantconnections on a '. 'nswers ' and 5 are incorrect beca%sec#clical red%ndanc# check (CAC)and frame check se;%ence (7C!) both provide error detection.'nswer C is incorrect beca%se

19. his comm%nication mode allows for onl# one/wa# datatransmissions at an# time.

❍ A. 2+bps

❍ B. 22+bps

❍ C. Half/d%ple=

❍ D. 7%ll/d%ple=19. C. Half/d%ple= allows for onl# one/wa# data transmissionsat an# time. 'nswers ' and 5 are incorrect

beca%se 2+bps and 22+bps are speed classi,cationsprimaril# associated with ethernet's. 'nswer D is incorrect beca%se f%ll/d%ple= allows for two/wa# data transmissions.

20. his comm%nication mode allows for sim%ltaneo%s two/wa#data transmissions.

❍ A. 2+bps

❍ B. 22+bps

❍

C. Half/d%ple=❍ D. 7%ll/d%ple=

20. D. 7%ll/d%ple= allows for sim%ltaneo%s two/wa# datatransmissions. 'nswers ' and 5 are incorrectbeca%se 2+bps and 22+bps are speed classi,cations

primaril# associated with ethernet 's.

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