exer2.docx
- 文档编号:8902261
- 上传时间:2023-02-02
- 格式:DOCX
- 页数:22
- 大小:603.98KB
exer2.docx
《exer2.docx》由会员分享,可在线阅读,更多相关《exer2.docx(22页珍藏版)》请在冰豆网上搜索。
exer2
1.AnetworktechnicianwantstoconfigureanIPaddressonarouterinterfacebyusingtheipaddress192.168.1.0255.255.255.0command.Whichpromptshouldthetechnicianseewhenenteringthiscommand?
•Router>
•Router(config-if)#
•Router#
•Router(config)#44.Refertotheexhibit.HostXisunabletocommunicatewithhostY.WhichcommandcanberunathostXtodeterminewhichintermediarydeviceisresponsibleforthisfailure?
•telnet192.168.1.1
•ping192.168.1.1
•ftp192.168.1.1
•tracert192.168.1.1
2.
Refertotheexhibit.WhatfunctiondoesrouterRT_AneedtoprovidetoallowInternetaccessforhostsinthisnetwork?
addresstranslation
DHCPservices
ftpd
webserver
3.
Refertotheexhibit.Whichtypeofnetworkdesignisshown?
client/server
widearea
dedicatedserver
peer-to-peer
4.
Refertotheexhibit.HostAattemptstoestablishaTCP/IPsessionwithhostC.Duringthisattempt,aframewascapturedwiththesourceMACaddress0050.7320.D632andthedestinationMACaddress0030.8517.44C4.ThepacketinsidethecapturedframehasanIPsourceaddress192.168.7.5,andthedestinationIPaddressis192.168.219.24.Atwhichpointinthenetworkwasthispacketcaptured?
leavinghostA
leavingATL
leavingDallas
leavingNYC
5.
Refertotheexhibit.Assumealldevicesareusingdefaultconfigurations.Howmanysubnetsarerequiredtoaddressthetopologythatisshown?
1
3
4
5
7
6.AtechnicianisaskedtosecuretheprivilegedEXECmodeofaswitchbyrequiringapassword.Whichtypeofpasswordwouldrequirethisloginandbeconsideredthemostsecure?
console
enable
enablesecret
VTY
7.Whichpromptrepresentstheappropriatemodeusedforthecopyrunning-configstartup-configcommand?
Switch-6J>
Switch-6J#
Switch-6J(config)#
Switch-6J(config-if)#
Switch-6J(config-line)#
8.
Refertotheexhibit.AtechnicianisworkingonanetworkproblemthatrequiresverificationoftherouterLANinterface.Whataddressshouldbepingedfromthishosttoconfirmthattherouterinterfaceisoperational?
127.0.0.1
192.168.64.196
192.168.254.1
192.168.254.9
192.168.254.254
9.
Refertotheexhibit.AneworkadministratorremotetlyaccessestheCLIofRouterBfromPC1usingTelnet.Whichstatementistrueaboutthisconnection?
Thedataisautomaticallyencrypted.
ATelnetserverprocessisrunningonPC1.
TheconnectionismadethroughaVTYsessionontherouter.
AGETrequestwassenttoRouterBtoretrievedataduringthissession.
10.
Refertotheexhibit.Eachmedialinkislabeled.Whattypeofcableshouldbeusedtoconnectthedifferentdevices?
Connection1-rollovercable
Connection2-straight-throughcable
Connection3-crossovercable
Connection1-crossovercable
Connection2-rollovercable
Connection3-crossovercable
Connection1-straight-throughcable
Connection2-crossovercable
Connection3-crossovercable
Connection1-straight-throughcable
Connection2-crossovercable
Connection3-straight-throughcable
Connection1-crossovercable
Connection2-straight-throughcable
Connection3-crossovercable
11.AnorganizationhasbeenassignednetworkID10.10.128.0andsubnetmask255.255.224.0.WhichIPaddressrangecanbeusedforthisorganization?
10.10.128.0to10.10.160.255
10.10.128.0to10.10.159.255
10.10.128.0to10.10.192.255
10.10.128.0to10.10.0.159
10.10.128.0to10.10.159.0
12.WhatistheeffectofusingtheRouter#copyrunning-configstartup-configcommandonarouter?
ThecontentsofROMwillchange.
ThecontentsofRAMwillchange.
ThecontentsofNVRAMwillchange.
Thecontentsofflashwillchange.
13.
Refertotheexhibit.APCiscommunicatingwithanotherPConaremotenetwork.Thetwonetworksareconnectedbythreerouters.Whichactionwillhelptoidentifythepathbetweenthehosts?
Usetheipconfigcommandatthehost.
Usetheipconfig/allcommandatthedestination.
Usethetracertcommandatthehost.
Usethepingcommandatthedestination.
14.
Refertotheexhibit.Whichlistrefersonlytoenddevices?
D,E,F,G
A,H,B,C
A,D,E,F
A,D,E,G
15.
Refertotheexhibit.HostAsendsaframewiththedestinationMACaddressasFFFF.FFFF.FFFF.Whatactionwilltheswitchtakeforthisframe?
Itwilldroptheframe.
ItwillsendtheframebacktohostA.
ItwillsendtheframetoallhostsexcepthostA.
Itwillforwardtheframetothedefaultgateway.
16.Whichsubnetmaskwillallow2040hostspersubnetontheIPnetwork10.0.0.0?
255.255.0.0
255.255.254.0
255.255.252.0
255.255.248.0
255.255.240.0
255.255.255.128
17.
Refertotheexhibit.RouterBisconfiguredproperly.TheEthernetinterfaceFa0/0ofRouterAisconfiguredwiththeuseofthecommandsthatareshown.However,apingfromtheFa0/0interfaceofRouterAtotheFa0/0interfaceofRouterBisunsuccessful.WhatactionshouldbetakenonRouterAtosolvethisproblem?
UsethedescriptioncommandontheFastEthernetinterfaceFa0/0.
ConfiguretheclockrateoftheFastEthernetinterfaceFa0/0.
UsethenoshutdowncommandontheFastEthernetinterfaceFa0/0.
Reboottherouter.
窗体底端
18.WhatactionistakenbyahostonanEthernetnetworkwhenthehostattemptstocontactaremotehostonanothernetwork?
ThepacketissentusingtheIPandMACaddressofthedestinationhost.
ThepacketissentusingtheIPaddressandMACaddressofthedefaultgateway.
ThepacketissentusingtheIPaddressofthedestinationhostandMACaddressofthedefaultgateway.
ThepacketissentusingtheIPaddressofthedefaultgatewayandtheMACaddressofthedestinationhost.
19.WhichstatementistrueabouttheTTLvalueofanIPv4packet?
Itdeterminesthepriorityofapacket.
Itspecifiestheremaining"life"ofthepacket.
Itindicatesthatthepackethasbeenfragmented.
Itdenotesthedatapayloadtypethatthepacketiscarrying.
20.
Refertotheexhibit.CommunicationforhostsXandYisrestrictedtothelocalnetwork.Whatisthereasonforthis?
HostXisassignedanetworkaddress.
HostYisassignedamulticastaddress.
HostXandhostYbelongtodifferentnetworks.
Thegatewayaddressesarebroadcastaddresses.
21.WhichstatementistrueaboutLayer3addresses?
Theyarephysicaladdresses.
Theyareusedinroutingdecisions.
Theyareonlyusedonlocalnetworks.
Theyarealteredeachtimeapacketcrossesarouter.
22.WhatistheCiscoIOS?
systemsoftwareforCiscodevices
ReadOnlyMemoryinCiscodevices
non-volatilestoragefordeviceconfigurations
aninitialoperatingsystemthatisusedforbootfunctions
窗体底端
23.WhatisthecorrectorderforPDUencapsulation?
A
24.Anetworkhasgrowntoolargefortechnicianstoconfigurenetworkaddressesandhostsfilesfornameresolution.Whichtwoapplicationlayerservicesshouldbeaddedtotheservertoallowtheseneedstobesatisfieddynamically?
(Choosetwo.)
DNS
FTP
DHCP
HTTP
SMTP
25.whichthreeaddressesareprivateIPaddresses?
(Choosethree.)
10.0.0.1
46.1.1.88
172.31.31.10
172.32.16.10
192.168.8.8
26.
Refertotheexhibit.HostAisabletoaccessresourcesonthelocalLANbutisunabletoaccessanyresourcesontheInternet.Whatisthelikelycauseofthisproblem?
Thehostsubnetmaskinincorrect.
Thenetworkusesprivateaddresses.
Thehostaddressisanetworkaddress.
Thedefaultgatewayisonadifferentsubnetfromthehost.
27.WhichstatementidentifiestheDNSprotocol?
IttransmitsinformationusingTCPport25.
IttransfersandconveysinformationusingHTMLpages.
Itmatchesaresourcenamewiththerequirednetworkaddress.
ItrequestsandassignsanIPaddress,defaultgateway,andserveraddressestohosts.
28.WhathappenswhenanodeonanEthernetnetworkiscreatingaframeanditdoesnothavethedestinationMACaddress?
Thenodedropstheframe.
ThenodesendsoutaLayer3broadcastmessage.
Thenodesendsamessagedirectlytotherouterfortheaddress.
ThenodesendsoutanARPrequestwiththedestinationIPaddress.
29.Inapacket-switcheddatanetwork,whatisusedtoreassemblethepacketsinthecorrectorderatthedestinationdevice?
sourceaddress
sequencenumber
priorityassignment
destinationaddress
30.AnadministratormakeschangestothedefaultconfigurationofarouterandsavesthemtoNVRAM.Aftertesting,itisdiscoveredthattheconfigurationsdidnothavethedesiredeffectandmustberemoved.Whatstepsmustbetakentoremovethechangesandreturntheroutertothedefaultconfiguration?
Reboottherouter.
Usenoversionofthecommandsthatareissued.
Issuetheerasestartup-configcommand,andthenreboottherouter.
Issuetheeraserunning-configcommand,andthenreboottherouter.
31.Anetworkadministratorneedstoprovideadministrativeaccessforcertainusers.Whichmodewillallowusersaccesstoboththeshowanddebugcommands?
userexecutivemode
privilegedexecutivemode
globalconfigurationmode
routerconfigurationmode
32.Whataretwopurposesforconfiguringa
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- exer2