CCNA考试试题含答案

QUESTION1

Whenyouareloggedintoaswitch,whichpromptindicatesthatyouareinprivilegedmode?

A.%

B.@

C.>

D.$

E.#

Answer:E

Explanation/Reference:

特权模式就是#提示符

QUESTION2

Whichcommandshowssystemhardwareandsoftwareversioninformation?

A.showconfiguration

B.showenvironment

C.showinventory

D.showplatform

E.showversion

Answer:E

Explanation/Reference:

查看系统的软件和硬件仁;息使用的命令是showversion

QUESTION3

CiscoCatalystswitchesCAT1andCAT2haveaconnectionbetweenthemusingportsFAO/13.An802.1Qtrunk

isconfiguredbetweenthetwoswitches.OnCAT1,VLAN10ischosenasnative,butonCAT2thenativeVLANis

notspecified.Whatwillhappeninthisscenario?

A.802.1Qgiantsframescouldsaturatethelink.

B.VLAN10onCAT1andVLAN1onCAT2w川senduntaggedframes.

C.AnativeVLANmismatcherrormessagewillappear.

D.VLAN10onCAT1andVLAN1onCAT2willsendtaggedframes.

Answer:C

Explanation/Reference:

如果两边native^匹配的话.switch将报native不匹配的日志信息

QUESTION4

Whichcommandwouldcorrectlyconfigureaserialportonarouterwiththelastusablehostaddressinthe

2/29subnet?

A.Router(config-if)#ipaddress840

B.Router(config-if)#ipaddress924

C.Router(config-if)#ipaddress348

D.Router(config-if)#ipaddress948

E.Router(config-if)#ipaddress348

F.Router(config-if)#ipaddress848

Answer:F

Explanation/Reference:

2/29它的块大d、为8掩石马为48地址范围为2-40

QUESTION5

ThenetworkdefaultgatewayapplyingtoahostbyDHCPis3/28.WhichoptionisthevalidIP

addressofthishost?

A.5

B.7

C.0

D.2

E.4

Answer:C

Explanation/Reference:

考点：考查VLSM

3/28所在网段的范围是

2-7/28A：超出范围

B：广播地址

C：正确

D：网号

E：超出范围

QUESTION6

Whichtwoaddressescanbeassignedtoahostwithasubnetmaskof?(Choosetwo.)

A.

B.

C.55

D.55

E.

Answer:BD

Explanation/Reference:

考点：考查VLSM

A：网络号

B/D：正确

C：广播地址

E：网络号

QUESTION7

Thenetworkadministratorhasaskedyoutocheckthestatusoftheworkstation'sIPstackbypingingthe

loopbackaddress.Whichaddresswouldyoupingtoperformthistask?

A.

B.

C.

D.

Answer:B

Explanation/Reference:

考点：使用ping来检测主机的IP栈。

ping实现。

QUESTION8

WorkstationAhasbeenassignedanIPaddressof4/28.WorkstationBhasbeenassignedanIP

addressof00/28.Thetwoworkstationsareconnectedwithastraight-throughcable.Attemptstoping

betweenthehostsareunsuccessful.Whattwothingscanbedonetoallowcommunicationsbetweenthehosts?

(Choosetwo.)

A.Replacethestraight-throughcablewithacrossovercable.

B.Changethesubnetmaskofthehoststo/25.

C.Changethesubnetmaskofthehoststo/26.

D.ChangetheaddressofWorkstationAto5.

E.ChangetheaddressofWorkstationBto11.

Answer:AB

Explanation/Reference:

考点：同构设备使用交叉线，两端的IP

需要在同一个子网。

A：使用交叉线替换现有的直通线。正

确。

B：修改掩码为25位，正确。

C：修改掩石马为26为，错误。不能使他

们在同一个子网。D/E：错误，都不

能使他们在同一个子网o

QUESTION9

YourISPhasgivenyoutheaddress/29toassigntoyourrouter'sinterface.Theyhavealso

givenyouthedefaultgatewayaddressof.Afteryouhaveconfiguredtheaddress,therouteris

unabletopinganyremotedevices.Whatispreventingtherouterfrompingingremotedevices?

A.Thedefaultgatewayisnotanaddressonthissubnet.

B.Thedefaultgatewayisthebroadcastaddressforthissubnet.

C.TheIPaddressisthebroadcastaddressforthissubnet.

D.TheIPaddressisaninvalidclassDmulticastaddress.

Answer:B

Explanation/Reference:

考点：考查VLSM。

/29所在网段的范围是：

-/29A：默认网关不属于这个子网，

错误

B：默认网关是这个子网的广播地址，正确

C：这个地址是子网的广播地址，错误

D：这个地址是组播地址，错误。

QUESTION10

WhichcommandisusedtocopytheconfigurationfromRAMintoNVRAM?

A.copyrunning-configstartup-config

B.copystartup-config:running-config:

C.copyrunningconfigstartupconfig

D.copystartupconfigrunningconfig

E.writeterminal

Answer:A

Explanation/Reference:

QUESTION11

WhichcommandisusedtoloadaconfigurationfromaTFTPserverandmergetheconfigurationinto

RAM?

A.copyrunning-config:TFTP:

B.copyTFTP:running-config

C.copyTFTP:startup-config

D.copystartup-config:TFTP:

Answer:B

Explanation/Reference:

QUESTION12

Asystemadministratortypesthecommandtochangethehostnameofarouter.WhereontheCiscoIFSisthat

changestored?

A.NVRAM

B.RAM

C.FLASH

D.ROM

E.PCMCIA

Answer:B

Explanation/Reference:

running-config保存在RAM中

startup-config保存在NVRAM中

QUESTION13

Whichcommandisusedtoconfigureadefaultroute?

A.iproute

B.iproute

C.iproute

D.iproute

Answer:D

Explanation/Reference:

QUESTION14

IfIProutingisenabled,whichtwocommandssetthegatewayoflastresorttothedefaultgateway?

(Choosetwo.)

A.ipdefault-gateway

B.iproute

C.ipdefault-network

D.ipdefault-route

E.iproute

Answer:CE

Explanation/Reference:

产生默认网关的两种方式

ipdefault-network

iproute

QUESTION15

WhichcommandwouldyouconfiguregloballyonaCiscorouterthatwouldallowyoutoviewdirectly

connectedCiscodevices?

A.enablecdp

B.cdpenable

C.cdprun

D.runcdp

Answer:C

Explanation/Reference:

QUESTION16

WhichcommandisusedtoseethepathtakenbypacketsacrossanIPnetwork?

A.showiproute

B.showroute

C.traceroute

D.traceiproute

Answer:C

Explanation/Reference:

哪条命令用于查看数甥包转发所经过的路径

A:查看路由表

B：没有这条命令

C：正确

D：没这条命令

QUESTION17

Whichcommandisusedtodebugapingcommand?

A.debugicmp

B.debugipicmp

C.debugtcp

D.debugpacket

Answer:B

Explanation/Reference:

ping调用了icmp协议，而icmp数据包封装在ip包中。

QUESTION18

WhichcommanddisplaysCPUutilization?

A.showprotocols

B.showprocess

C.showsystem

D.showversion

Answer:B

Explanation/Reference:

杳看CPU利用率。

QUESTION19

Whenconfiguringaserialinterfaceonarouter,whatisthedefaultencapsulation?

A.atm-dxi

B.frame-relay

C.hdlc

D.lapb

E.ppp

Answer:C

Explanation/Reference:

缺省封装是HDLC

QUESTION20

Whatmustbesetcorrectlywhenconfiguringaserialinterfacesothathigher-levelprotocolscalculatethebest

route?

A.bandwidth

B.delay

C.load

D.reliability

Answer:A

Explanation/Reference:

为了使高层路由协议计算最佳是各由，串口的什么东西必须被设置正确？在接

口下，只有带宽是可以配置的。

QUESTION21

AcompanyimplementsvideoconferencingoverIPontheirEthernetLAN.Theusersnoticethatthe

networkslowsdown,andthevideoeitherstuttersorfailscompletely.Whatisthemostlikelyreasonfor

this?

A.minimumcellrate(MCR)

B.qualityofservice(QoS)

C.modulation

D.packetswitchingexchange(PSE)

E.reliabletransportprotocol(RTP)

Answer:B

Explanation/Reference:

考点：当网络中使用视频会议后发现网络非

常慢，什么原因弓I起的？QoS：用于定制第

略对不同流量进行控制。

QUESTION22

WhichlayerintheOSIreferencemodelisresponsiblefordeterminingtheavailabilityofthereceiving

programandcheckingtoseeifenoughresourcesexistforthatcommunication?

A.transport

B.network

C.presentation

D.session

E.application

Answer:E

Explanation/Reference:

哪一层确定的接收程序的可用性？

应用层提供

QUESTION23

Datatransferisslowbetweenthesourceanddestination.Thequalityofservicerequestedbythetransportlayer

intheOSIreferencemodelisnotbeingmaintained.Tofixthisissue,atwhichlayershouldthe

troubleshootingprocessbegin?

A.presentation

B.session

C.transport

D.network

E.physical

Answer:D

Explanation/Reference:

解决网络问题，先确保网络层通信。

QUESTION24

WhichprotocolsarefoundinthenetworklayeroftheOSIreferencemodelandareresponsibleforpath

determinationandtrafficswitching?

A.LAN

B.routing

C.WAN

D.network

Answer:B

Explanation/Reference:

0sl网络层中什么提供了路径选择和流量转发：？

山蹈山协议提供。通过手工或者动态学习路由条目实现。

QUESTION25

Whichcommandrevealsthelastmethodusedtopowercyclearouter?

A.showreload

B.showboot

C.showrunning-config

D.showversion

Answer:D

Explanation/Reference:

哪一个命令可以显示最近一次被用来重启路由器的方法？

QUESTION26

WhichthreeoptionsarevalidWANconnectivitymethods?(Choosethree.)

A.PPP

B.WAP

C.HDLC

D.MPLS

E.L2TPv3

F.ATM

Answer:ACF

Explanation/Reference:

哪三种封装属于WAN链路的？

A:点到点协议，正确

B：无线加密技术，错误

C：思科缺省封装格式，正确。

D：多协议标签转换，错误

E：隧遒协议，错误

F：正确。

QUESTION27

Refertotheexhibit.WhichWANprotocolisbeingused?

RouterA#sbo*,imertacepo53/0/0

POSS/0/01sup,limprotocolisup

K>rdKare1sPacketovtrSonet

Keepaliveset(10$«c)

scraiabl,disabled

UMIenqsent5X3treevd2474M9.LMX.LMXup

Broadcastqueue0/236.broadcastssene/dropped2574rfac«broadcasts2514S176

lastinput00:00:00.output00:00:00.outputh*ng

LISTclearingof-showInxerfac<*'c<r$

5alnuttInputrate0bics/s«ct0pa

5■inureoutputrare39000blt5/sectsAec

63153396packetsInput.。89中40nobuffer

Received0broaden”$(0、AwMt

0rums.0glam，Q5华

0parityJJ

4477JInputerrors,CftC.0frame.0overrun.027abort

XS3962s>pMketsoutput.e2751244360b/X”.。undtrruns

0outputerrors.0“plSqg.0Interfaceresets

0outputbufferfailures.0outputbuffersswappedout

0c>rr1<rtramitfom

A.ATM

B.HDLC

C.FrameRelay

D.PPP

Answer:C

Explanation/Reference:

由图中的红线可看到发送接受LMI信息。属于FR的数据包。

QUESTION28

WhatisthedifferencebetweenaCSU/DSUandamodem?

A.ACSU/DSUconvertsanalogsignalsfromaroutertoaleasedline;amodemconvertsanalogsignals

fromaroutertoaleasedline.

B.ACSU/DSUconvertsanalogsignalsfromaroutertoaphoneline;amodemconvertsdigitalsignals

fromaroutertoaleasedline.

C.ACSU/DSUconvertsdigitalsignalsfromaroutertoaphoneline;amodemconvertsanalogsignals

fromaroutertoaphoneline.

D.ACSU/DSUconvertsdigitalsignalsfromaroutertoaleasedline;amodemconvertsdigitalsignals

fromaroutertoaphoneline.

Answer:D

Explanation/Reference:

CSU/DSU一般是专线，MODEN是将模拟信号与数字信号转换

QUESTION29

Anetworkadministratormustconfigure200switchportstoaccepttrafficfromonlythecurrentlyattached

hostdevices.WhatwouldbethemostefficientwaytoconfigureMAC-levelsecurityonalltheseports?

A.VisuallyverifytheMACaddressesandthentelnettotheswitchestoentertheswitchport-portsecurity

mac-addresscommand.

B.Haveenduserse-mailtheirMACaddresses.Telnettotheswitchtoentertheswitchport-portsecurity

mac-addresscommand.

C.Usetheswitchportport-securityMACaddressstickycommandonalltheswitchportsthathaveend

devicesconnectedtothem.

D.Useshowmac-address-tabletodeterminetheaddressesthatareassociatedwitheachportandthen

enterthecommandsoneachswitchforMACaddressport-security.

Answer:C

Explanation/Reference:

考点：有200台主机需要接入，采用什么方

式来增弓虽网络安全性？A：先验证mac安全

性，然后在交换机上绑定。错误，工作量太

大B：用户发:送邮件认证再在交换机上配

置，错误，不科学。

C：使用port-security,正确。

D：错误，工作量太大。

QUESTION30

WhentroubleshootingaFrameRelayconnection,whatisthefirststepwhenperformingaloopbacktest?

A.SettheencapsulationoftheinterfacetoHDLC.

B.PlacetheCSU/DSUinlocal-loopmode.

C.Enablelocal-loopmodeontheDCEFrameRelayrouter.

D.VerifythattheencapsulationissettoFrameRelay.

Answer:A

Explanation/Reference:

在对FR进彳亍排错的日寸候，当做回环测试的口寸

候，第一步如何处理？

A：讲接口配置成HDLC,正确，FR封装下无法正

常ping自己端口

QUESTION31

WhatoccursonaFrameRelaynetworkwhentheCIRisexceeded?

A.AllTCPtrafficismarkeddiscardeligible.

B.AllUDPtrafficismarkeddiscardeligibleandaBECNissent.

C.AllTCPtrafficismarkeddiscardeligibleandaBECNissent.

D.AlltrafficexceedingtheCIRismarkeddiscardeligible.

Answer:D

Explanation/Reference:

在FR网络中，当CIR超过时会发生什么情况？

D：所有超过的流量都丢弃。

QUESTION32

WhataretwocharacteristicsofFrameRelaypoint-to-pointsubinterfaces?(Choosetwo.)

A.Theycreatesplit-horizonissues.

B.Theyrequireauniquesubnetwithinaroutingdomain.

C.Theyemulateleasedlines.

D.Theyareidealforfull-meshtopologies.

E.TheyrequiretheuseofNBMAoptionswhenusingOSPF.

Answer:BC

Explanation/Reference:

帧中继点到点子接口的特点？

A：水平分割，错误。

B：每个子接口需要一个独立的网段，正确。

C：类似专线，正确。

D:全网互联是理想拓扑，错误。通常是hub-spoke

E：NBMA不支持OSPF,错误。

QUESTION33

Refertotheexhibit.Addresseswithintherange/24arenotbeingtranslatedtothe1.128.0/16range.

Whichcommandshowsif/24areallowedinsideaddresses?

RouterA#showrunning-config

i

ipnatpoolinside_green54

ipnatinsidesourcelist101poolinside_green

A.debugipnat

B.showaccess-list

C.showipnattranslation

D.showipnatstatistics

Answer:B

Explanation/Reference:

那条命令可以看至/24是否在允许转换范围

O允许的范围是通过ACL定义的。

A：打开NAT转换的debug信息，错误

B：查看acl信息，正确。

C：查看NAT转换表，错误。

D：查看静态NAT。错误

QUESTION34

Awirelessclientcannotconnecttoan802.11b/gBSSwithab/gwirelesscard.Theclientsectionofthe

accesspointdoesnotlistanyactiveWLANclients.Whatisapossiblereasonforthis?

A.Theincorrectchannelisconfiguredontheclient.

B.Theclient'sIPaddressisonthewrongsubnet.

C.Theclienthasanincorrectpre-sharedkey.

D.TheSSIDisconfiguredincorrectlyontheclient.

Answer:D

Explanation/Reference:

客户端无法连接到无限接入点，查看不到可用的无线信号。这

通常是SSID信号没有配置正确。A：不正确的信道。错误

B=客户端的IP地址配置错误

C：客户端的共享key错误。

D：SSID配置不正确。

QUESTION35

WhichtwofeaturesdidWPAvladdtoaddresstheinherentweaknessesfoundinWEP?(Choosetwo.)

A.astrongerencryptionalgorithm

B.keymixingusingtemporalkeys

C.sharedkeyauthentication

D.ashorterinitializationvector

E.perframesequencecounters

Answe匚BE

Explanation/Reference:

考点：WPA1中增强।哪两个在WEP中发现的弱点？WEP存在的

隐患主要是依赖共享忠铜A：更强的加密算法

B：混合使用的宙钥

C：共享密钥认证

D：较短的初始化向量

E：一个帧一个序列计数器。

QUESTION36

WhichtwowirelessencryptionmethodsarebasedontheRC4encryptionalgorithm?(Choosetwo.)

A.WEP

B.CCKM

C.AES

D.TKIP

E.CCMP

Answer:AD

Explanation/Reference:

考点：咖两种无限力口密技术依赖RC4

A:行线等效保密协议

B：英特尔开走一种协议

C：高级加密标准

D：暂时卷钥集成协议

E:基于AES的加密方式

QUESTION37

WhataretwocharacteristicsofRIPv2?(Choosetwo.)

A.classfulroutingprotocol

B.variable-lengthsubnetmasks

C.broadcastaddressing

D.manualroutesummarization

E.usesSPFalgorithmtocomputepath

Answer:BD

Explanation/Reference:

A：有类路由协议，错误

B：可变长度子网掩码，正确

C:采用广播地址更新，错误

D：手动路由汇总，正确

E：使用spf算法计算路径，错误。

QUESTION38

WhichtwoEthernetfiber-opticmodessupportdistancesofgreaterthan550meters?

A.1000BASE-CX

B.100BASE-FX

C.1000BASE-LX

D.1000BASE-SX

E.1000BASE-ZX

Answer:CE

Explanation/Reference:

A：最长距离25米

B：最长距离100米

C：最长距离3000米

D：最长距离550米

E：最长距离70千米

QUESTION39

Whattwothingswillarouterdowhenrunningadistancevectorroutingprotocol?(Choosetwo.)

A.Sendperiodicupdatesregardlessoftopologychanges.

B.Sendentireroutingtabletoallroutersintheroutingdomain.

C.Usetheshortest-pathalgorithmtothedeterminebestpath.

D.Updatetheroutingtablebasedonupdatesfromtheirneighbors.

E.Maintainthetopologyoftheentirenetworkinitsdatabase.

Answer:AD

Explanation/Reference:

考点：考查距离欠量路由协议耨性

A：周期性更新，正确

B：发送整个蹈由表到整个路山域，

错误，只发送给邻居C：使用SPF算法，

错误

D：依靠邻居发送更新来更新路由表，正确

E：在数据库中维护整个网络的拓扑。错误

QUESTION40

Refertotheexhibit.Accordingtotheroutingtable,wherewilltheroutersendapacketdestinedfor

5?

NetworkInterfaceNext*hop

/24eOdirectlyconnected

/24eldirectlyconnected

/25SOdirectlyconnected

/24Sidirectlyconnected

/24eO10.1.L2

4/28el10.122

4/29$0

10.1564/27si

A.

B.

C.

D.

Answer:C

Explanation/Reference:

路由查找原贝U：最长掩码匹配原则

QUESTION41

Whichcommandshowsifanaccesslistisassignedtoaninterface?

A.showipinterface[interface]access-lists

B.showipaccess-listsinterface[interface]

C.showipinterface[interface]

D.showipaccess-lists[interface]

AnswersC

Explanation/Reference:

QUESTION42

Refertotheexhibit.WhichruledoestheDHCPserverusewhenthereisanIPaddressconflict?

Routecfthouipdhcpconflict

IPaddressDetectionmethodDetectionelse

2PingFeb16199812:28PH

4GcatultousARPFeb23199808:12AN

A.Theaddressisremovedfromthepooluntiltheconflictisresolved.

B.Theaddressremainsinthepooluntiltheconflictisresolved.

C.OnlytheIPdetectedbyGratuitousARPisremovedfromthepool.

D.OnlytheIPdetectedbyPingisremovedfromthepool.

E.TheIPwillbeshown,evenaftertheconflictisresolved.

Answer:A

Explanation/Reference:

showipdhepconflict命令可以查看哪些ip地址在使

用上有冲突。有冲突的地址不再分配出去。

A：地址被册I」除直到7中突解决，正确

B:地址保留直到冲突解决，错误

C/D：答案片面。

E：•当7中突解决后，地址会被显示。错误。

QUESTION43

Refertotheexhibit.YouareconnectedtotherouterasuserMike.Whichcommandallowsyoutoseeoutput

fromtheOSPFdebugcommand?

Routertfshowusers

LineUserHost(s)IdleLocation

♦322vty0Mikeidle00:00:00laptop

InterfaceUserModeIdlePeerAddress

Routerdebugipospfevents

OSPFeventsdebuggingison

Router#

A.terminalmonitor

B.showdebugging

C.showsessions

D.showipospfinterface

Answer:A

Explanation/Reference:

A：让debug信息在终端上显示出来

B：没这条命令

C：查看会话信息。

D:查看启用了ospf的接口的相关信息。

QUESTION44

Refertotheexhibit.Ifnumber2isselectedfromthesetupscript,whathappenswhentheuserrunssetupfroma

privilegedprompt?

[0]GototheIOScommandpromptwithoutsavingthisconfig.

[1]Returnbacktothesetupwithoutsavingthisconfig.

[2]Savethisconfigurationtonvramandexit.

Enteryourselection[2]:

A.Setupisadditiveandanychangeswillbeaddedtotheconfigscript.

B.Setupeffectivelystartstheconfigurationoverasiftherouterwasbootedforthefirsttime.

C.Setupwillnotrunifanenablesecretpasswordexistsontherouter.

D.Setupw川notrun,becauseitisonlyviablewhennoconfigurationexistsontherouter.

Answer:A

Explanation/Reference:

[O]不保存进入IOS命令配置模式

[1]不保存返回设置模式

[2]保存退出

A：设置和改动被保存到配置脚本

B：为右效地重新开始配置，如果是各山黯

是第一次启动的四己置。C：如果配置了留

码，设置不会运行

D：设置不可用，因为它只能在没有配置存在时才有效。

QUESTION45

Refertotheexhibit.Which(config-router)commandwillallowthenetworkrepresentedontheinterfacetobe

advertisedbyRIP?

routerrip

version2

noauto-summary

i

interfaceethernetO

ipaddress

A.redistributeethernetO

B.networkethernetO

C.redistribute

D.network

Answer:D

Explanation/Reference:

考点：怎么才能让接口通告RIP路山。

通告network网段实现。

QUESTION46

Refertotheexhibit.Whatinformationcanbegatheredfromtheoutput?

RouterAWdebugIprip

RIPprotocoldebuggingIson

vA4:432

A3432RIP:sendingv2flashupdatetoviaFastEthernetG/e()

v:

e332RIP:buildflashupdateentries

4:32ie.ie.i.e/24viae.e.o.e,netrici,tage

34:32RIP:sendingv2flashupdateto2viaLoopbacke(ie.16.1.1)

4:

A332RIP:buildflashupdateentries

w4:ie.e.e.0/8viae.e.e.e,wtric2,tage

4:32

332/24viae.0.0.0,metricI,tag0

。4:

e3

44:33RIP:ignoredv2packetfrom(sourcedfro«oneofouraddresses)

e3:

0r'H433RIP:receivedv2updatefromonFastEthernet0/e

utc:

6444ie.6.0.0/8viae.e.0.6in1hops

61

6r44RIP:sendingv2updatetoviaFastEthernetB/d()

644

34:RIP:buildupdateentries

/24viae.e.0.0,netrlc1.tage

A.OnerouterisrunningRIPvl.

B.RIPneighboris.

C.Thenetworkcontainsaloop.

D.Networkisreachable.

Answer:D

Explanation/Reference:

由图中可以看出本地已经存在这条路由。

QUESTION47

Refertottieexhibi].Whattypeofconnectionwouldbesupportedbythecablediagramshown?

Fundion

1『White/GreenTX*1White/GreenTX*

2GreenTX-2GreenTX-

3White/OrangeRX>3White/OrangeRX>

6OrangeRX-6OrangeRX・

A.PCtorouter

B.PCtoswitch

C.servertorouter

D.routertorouter

Answer:B

Explanation/Reference:

从图中可以看出这是一条直通线。同构设备使用交

叉线，异构设备使用直通线。B：直通线

AC/D同构设备使用交叉线

QUESTION48

Refertotheexhibit.Whattypeofconnectionwouldbesupportedbythecablediagramshown?

PmNurnbPrColorFunction

1White/GreenTX*3OrangeRX*

2GreenTX-6White/OrangeRX・

3White/OrangeRX*1GreenTX>

6OrangeRX-2White/GreenTX-

A.PCtorouter

B.PCtoswitch

C.servertoswitch

D.switchtorouter

Answer:A

Explanation/Reference:

QUESTION49

WhichtwostatementsdescribetheCiscoimplementationofVLANs?(Choosetwo.)

A.VLAN1isthedefaultEthernetVLAN.

B.CDPadvertisementsareonlysentonVLAN1002.

C.Bydefault,themanagementVLANisVLAN1005.

D.Bydefault,theswitchIPaddressisinVLAN1005.

E.VLAN1002through1005areautomaticallycreatedandcannotbedeleted.

Answer*:AE

Explanation/Reference:

考点：考查vlan知识点。

A：缺省都存在vlard,端口都属于vlarh,正确

B：CDP信息只发送到vlan1002,错误，vlan1002是fddi网络的vlan号。

C：缺省情况交换机IP配置在vlanl005,错误，vlanl005tmet网络的vlan号。

缺省在vlanl里面。D：vlanl002-1005自动生成并不能被删除，正确，他们

都是被保留的特殊vlan。

QUESTION50

Refertotheexhibit.Whatcanbedeterminedabouttherouterfromtheconsoleoutput?

1FastEthernet/IEEE802.3interface(s)

125Kbytesofnon-volatileconfigurationm*。投.

65536KbytesofATAPCMCIAcardat«la、tj八0(/Sectorsize512bytes).

8192KbytesofFlash、'S尚ectorsize256K).

----System盘工ionDialog-----

Wouldyouliketoentertheinitialconfigurationdialog?[yes/no]:

A.NoconfigurationfilewasfoundinNVRAM.

B.Noconfigurationfilewasfoundinflash.

C.NoconfigurationfilewasfoundinthePCMCIAcard.

D.Configurationfileisnormalandwillloadin15seconds.

Answer:A

Explanation/Reference:

启动时缺省读取保存在NVRAM里面的配置文件。提示进入对话模式，说明没行

保存配置文件。

QUESTION51

Refertotheexhibit.Whatcanbedeterminedfromtheoutput?

RoutervshowIparp

ProtocolAddress*«•Hardware