CCNA 2 Practice Final Exam Answer V31.docx

CCNA 2 Practice Final Exam Answer V31.docx

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CCNA2PracticeFinalExamAnswerV31

1.WhichstatementsaretrueregardingVTYpasswords?

（Choosetwo.）

VTYpasswordsmustbeencrypted.

AllVTYlinesdonotneedtousethesamepassword.

AVTYpasswordisrequiredtoestablishtelnetsessions.

TheVTYpasswordissetwiththecommandlineconsole0.

TheVTYpasswordmustbeidenticalwiththeenablesecretpassword.

2.

Refertothenetworkandroutingtableentriesshowninthegraphic.Whatwillhappenwhenapacketdestinedfornetwork192.66.7.0isreceivedbyRouterA?

ItwillbeforwardedthroughinterfaceS1.

Itwillbeforwardedtothedefaultroute.

ItwillbedirectedtowardtheInternet.

Itwillbediscarded.

3.

Whichcommandwillproducetheoutputshowninthegraphic?

showcdp

showcdpneighbors

showcdpneighborsdetail

showcdpdetail

4.

RouterBreceivedaninterfaceconfigurationchange.Suddenly,ittransmitsanewupdate.Whichofthefollowingcouldhavetriggeredthisupdate?

（Choosetwo.）

RouterBreceivedaconfigurationchange.

RouterAsentamessagerequestinganupdate.

RouterCcameonlineafterRouterBsenttheRIPupdate.

RouterBreceivedanerrormessageindicatingthelastupdatewasnotreceived.

5.HowmanyTelnetsessionscantakeplacesimultaneouslyonarouterrunningastandardeditionoftheIOS?

4

5

8

10

6.WhichofthefollowingWANconnectionservicestypicallyusesynchronouscommunications?

（Choosetwo.）

circuit-switched

leasedline

packet-switched

Ethernet

analogmodemservices

7.WhichofthefollowingwilladdaTFTPserverasafallbacksourceforaroutertoloadanIOSimage?

Router#bootsystemtftp163.150.9.31c2500-d-l.120-9

Router#copyrunstart

Router#bootsystemtftpc2500-d-l.120-9.bin163.150.9.31

Router#copyrunstart

Router#configt

Router（config）#bootsystemtftpc2500-d-l.120-9.bin163.150.9.31

Router（config）#exit

Router#copyrunstart

Router#configt

Router（config）#bootsystemtftp163.150.9.31c2500-d-l.120-9.bin

Router（config）#exit

Router#copyrunstart

8.WhattypesofmessagesaresentperiodicallybydevicesconfiguredforCDP?

probes

beacons

signals

advertisements

routingupdates

unicast

9.Anadministratorhasmaderoutingprotocolchangestoarouter’sconfiguration.Toensurethatthechangesareimplemented,theactiveconfigurationissavedandtherouterisreloaded.Aftertherouterhasinitialized,theoutputonthescreendisplays"Wouldyouliketoentertheinitialconfigurationdialog?

[yes/no]:

"Whydidthisdialogappear?

TherewasaPOSTfailure.

TheincorrectIOSloaded.

Therewasanerrorinthestartupconfigurationfile.

TheconfigurationregisterwassettoignoreNVRAM.

10.WhichcommandisusedtoredirectdebuginformationtoadevicethatisconnectedthoughaTelnetsession?

Router#monitor

Router#terminalredirectvty0

Router#terminalmonitor

Router#monitoroutputvty0

11.Afterissuingtheshowinterfacescommand,atechniciannoticestheline"Serial1isdown,lineprotocolisdown"intheoutput.Whichofthefollowingarepossiblereasonsforthismessageoutput?

（Choosethree.）

Thereisamismatchintheencapsulationtypeonbothendsofthelink.

ALayer1issueexists.

Aninterfaceproblemexists.

Theclockratewasnotsetduringconfiguration.

Thereisnousablemediafortheprotocol.

Keepalivemessagesarenotbeingsent.

12.

Refertotheabovegraphic.WhenusingRIPastheroutingprotocol,howwouldChicagouseloadbalancingtoroutepacketstoNewYork?

（Choosetwo.）

byforwardingpacketsoverpathsofequalcost

byforwardingpacketsaccordingtohopcountandspeedofthelink

bydeterminingwhichinterfacehastheleasttrafficandsendingtoitfirst

byfirstdeterminingthespeedofthelinksandthencyclingpacketsthroughthefastestlinksfirst

bycyclingpacketsthroughinterfacesandroutesfollowingthesamepattern（Router1,2,3）eachtime

13.WhenwouldtheROMmonitormodebeused?

（Choosetwo.）

maintainingroutingconfigurationsettings

modifyingtheIOSimagestoredinFlash

runningalimitedIOSfeatureset

performingthebootstrapprocess

14.Whichtwostatementsaretrueaboutroutemetrics?

（Choosetwo.）

Themorefactorsthatmakeupametric,thegreatertheflexibilitytotailornetworkoperations.

Thelargerthemetricnumber,thebetterthepath.

Routingprotocolsusemetricstosendroutingupdatestodirectlyconnectedneighbors.

BandwidthanddelayarestaticmetricsusedbyRIPv1.

Ticks,delay,andcostaremetricsusedbyroutingprotocols.

15.

WhichofthefollowingarevalidstaticIProutes?

（Choosethree.）

RouterB（config）#iproute192.168.5.0255.255.255.0S1

RouterC（config）#iproute192.168.1.0255.255.255.0S1

RouterA（config）#iproute192.168.3.0255.255.255.0192.168.2.2

RouterB（config）#iproute192.168.1.0255