新版CCNP題庫(kù)300-410試卷一

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AUseanextendedaccesslistinsteadofastandardaccesslist.

BChangesequence10intheroute-mapcommandfrompermittodeny.

CUseaprefixlistinsteadofanaccesslistintheroutemap.

DAddthisstatementtotheroutemap:route-mapRM-OSPF-DLdeny20.

20.【單選題】1分|WhatisaprerequisiteforconfiguringBFD?

AJumboframesupportmustbeconfiguredontherouterthatisusingBFD.

BAllroutersinthepathbetweentwoBFDendpointsmusthaveBFDenabled.

CCiscoExpressForwardingmustbeenabledonallparticipatingBFDendpoints.

DTouseBFDwithBGP,thetimers39commandmustfirstbeconfiguredintheBGProutingprocess.

21.【單選題】1分|Refertotheexhibit.R2isaroulerelector,andR1andR3arerouterelectorclients.Therouteellectorlearmstherouteto172.1625.0/24fromR1,butitdoesnotadvertisetoR3.Whatisthereasontherouteisnotadvertised?

AR2doesnothavearoutetothenexthop,soR2doesnotadvertisetheprefixtootherclients.

BRoutereflectorsetuprequiresfullIBGPmeshbetweentherouters.

CInroutereflectorsetup,onlyclassfulprefixesareadvertisedtootherclients.

DInroutereflectorsetups,prefixesarenotadvertisedfromoneclienttoanother.

22.【單選題】1分|RetertotheexhibitAnengineeristryingtoredistribute0SPFtoBGP,butnotalloftheroutesareredstribouted.Whatisthereasonftorthisissue?

ABydefault,onlyinternalroutesandexternaltype1routesareredistributedintoBGP

BOnlyclassfulnetworksareredistributedfromOSPFtoBGP

CBGPconvergenceisslow,sotheroutewilleventuallybepresentintheBGPtable

DBydefault,onlyinternalOSPFroutesareredistrbutedintoBGP

23.【單選題】1分|Refertotheexhibit.InwhichcircumstancedoestheBGPneighborremainintheidlecondition?

Aipv6access-listDeny,Telnetsequence10denytcphost198A:0:200C::1/64host201A:0:205C.::1/64eqtelnetintGi0/0ipv6traffic-filterDeny__Telnetin

Bipv6access-listDeny_Telnetsequence10denytcphost198A:0:200C::1/64host201A:0:205C::1/64eqtelnetintGi0/0ipv6access-mapDeny.Telnetin

Cipv6access-listDeny_Telnetsequence10denytcphost198A:0:200::1/64host201A:0:205C::1/64intGi0/0ipv6access-mapDeny_Telnetin

Dipv6access-listDeny_Telnetsequence10denytcphost198A:0:200C:1/64host201A:0:205C::1/64intGi0/0ipv6traffic-filterDeny_Telnetin

43.【單選題】1分|Raferlothaexhibit.Duringbroubleshootingilwasdiscoveredthatthedeviceisnolrachableusingasecurewobbrowser.Whatisnoededtofixtheproblem?

Apermittcpport443

Bpermitudpport465

Cpermittcpport465

Dpermittcpport22

44.【單選題】1分|Reler10theexhtot.Anengineeistryingtocnfgurekocalauthenicaionontheconsoleine,butthedeviceistyingtoauthentcateusingTACACS+.Whichactonproducesthedesiredconfiguration?

Apermittcpport443

Bpermitudpport465

Cpermittcpport465

Dpermittcpport22

45.【單選題】1分|Refertotheexhibit.Anengineeristryingtoconfigurelocalauthenticationontheconsoleline,butthedeviceistryingtoauthenticateusingTACACS+.Whichactionproducesthedesiredconfiguration?

AAddtheaaaauthenticationlogindefaultnonecommandtotheglobalconfiguration.

BReplacethecapital“C"withalowercase“c"intheaaaauthenticationloginConsolelocalcommand.

CAddtheaaaauthenticationlogindefaultgrouptacacs+local-casecommandtotheglobalconfiguration.

DAddtheloginauthenticationConsolecommandtothelineconfiguration

46.【單選題】1分|Refertotheexhibit.AnengineeristryingtoconnecttoadevicewithSSHbutcannotconnect.Theengineerconnectsbyusingtheconsoleandfindsthedisplayedoutputwhentroubleshooting.WhichcommandmustbeusedinconfigurationmodetoenableSSHonthedevice?

Anoipsshdisable

Bipsshenable

Cipsshversion2

Dcryptokeygeneratersa

47.【單選題】1分|WhichstatementaboutIPv6NDinspectionistrue?

AItlearnsandsecuresbindingsforstatelessautoconfigurationaddressesinLayer3neighbortables

BItlearnsandsecuresbindingsforstatelessautoconfigurationaddressesinLayer2neighbortables

CItlearnsandsecuresbindingsforstatefulautoconfigurationaddressesinLayer3neighbortables.

DItleamsandsecuresbindingsforstatefulautoconfigurationaddressesinLayer2neighbortables.

48.【單選題】1分|Whiletroubleshootingconnectivityissuestoarouter,thesedetailsarenoticed:

-Standardpingstoallrouterinterfaces,includingloopbacks,aresuccessful.

-Datatrafficisunaffected.

-SNMPconnectivityisintermittent.

-SSHiseitherslowordisconnectsfrequently.

Whichcommandmustbeconfiguredfirsttotroubleshootthisissue?

Ashowpolicy-mapcontrol-plane

Bshowpolicy-map

Cshowinterface|incdrop

Dshowiproute

49.【單選題】1分|Refertotheexhibit.Whyisuserauthenticationbeingrejected?

ATheTACACS+serverexpects"user",buttheNTclientsends“domain/user".

BTheTACACS+serverrefusestheuserbecausetheuserissetupforCHAP.

CTheTACACS+serverisdown,andtheuserisinthelocaldatabase.

DTheTACACS+serverisdown,andtheuserisnotinthelocaldatabase.

50.【單選題】1分|Refertotheexhibit.WhichcontrolplanepolicylimitsBGPtrfficthatisdestinedtotheCPUto1MbpsandignoresBGPtrafficthatissentathigherrate?

Apolicy-mapSHAPE_BGP

Bpolicy-mapLIMIT_BGP

Cpolicy-mapPOLICE_BGP

Dpolicy-mapCOPP

51.【單選題】1分|WhichstatementaboutIPv6RAGuardistrue?

AItdoesnotofferprotectioninenvironmentswhereIPv6trafficistunneled.

BItcannotbeconfiguredonaswitchportinterfaceintheingressdirection.

CPacketsthataredroppedbyIPv6RAGuardcannotbespanned.

DItisnotsupportedinhardwarewhenTCAMisprogrammed.

52.【單選題】1分|Refertotheexhibit.UsersreportthatIPaddressescannotbeacquiredfromtheDHCPserver.TheDHCPserverisconfiguredasshown.About300totalnonconcurrentusersareusingthisDHCPserver,butnoneofthemareactiveformorethantwohoursperday.Whichactionfixestheisuewithinthecurrentresources?

AModiftythesubnetmasktothenetwork192.168.1.0255255.254.0commandintheDHCPpool

BConfiguretheDHCPleasetimetoasmallervalue

CConfiguretheDHCPleasetimetoabiggervalue

DAddthenetwork192.1682.0255.255255.0commandtotheDHCPpool

53.【單選題】1分|Refertotheexhibit.ISP1andISP2directlyconnecttotheInternet.AcustomeristrackingbothISPlinkstoachieveredundancyandcannotseetheCiscoIoSIPSLAtrackingoutputontherouterconsole.WhichcommandismissingfromtheIPSLAconfiguration?

AStart-time00:00

BStart-time0

CStart-timeimmediately

DStart-timenow

54.【單選題】1分|Refertotheexhibit.AnadministratornoticedthatafterachangewasmadeonR1,thetimestampsonthesystemlogsdidnotmatchtheclock.Whatisthereasonforthiserror?

AAnauthenticationerrorwiththeNTPserverresultsinanincorrecttimestamp.

BThekeywordlocaltimeisnotdefinedonthetimestampservicecommand.

CTheNTPserverisinadifferenttimezone.

DThesystemclockissetincorrectlytosummertimnehours.

55.【單選題】1分|Anetworkengineerisinvestigatingaflapping(up/down)interfaceissueonacoreswitchthatissynchronizedtoanNTPserver.Logoutputcurrentydoesnotshowthetimeoftheflap.Whichcommandalowstheloggingontheswitchtoshowthetimeoftheflapaccordingtotheclockonthedevice?"

Aservicetimestampsloguptime

Bclocksummertimemstrecurring2Sundaymar2:001Sundaynov2:00

Cservicetimestampslogdatetimelocaltimeshowtimezone

Dclockcalendar-valid

56.【單選題】1分|WhenprovisioningadeviceinCiscoDNACenter,theengineerseestheerrormessageCannotselectthedevice.Notcompatiblewithtemplate".Whatisthereasonfortheerror?

AThetemplatehasanincorrectconfiguration.

BThesoftwareversionofthetemplateisdifferentfromthesoftwareversionofthedevice.

CThechangestothetemplatewerenotcommitted.

DThetagthatwasusedtofilterthetemplatesdoesnotmatchthedevicetag.

57.【單選題】1分|Whileworkingwithsoftwareimages,anengineerobservesthatCiscoDNACentercannotuploaditssoftwareimagedirectlyfromthedevice.Whyistheimagenotuploading?

AThedevicemustberesyncedtoCiscoDNACenter.

BThesoftwareimageforthedeviceisininstallmode.

CThedevicehaslostconnectivitytoCiscoDNACenter.

DThesoftwareimageforthedeviceisinbundlemode

58.【單選題】1分|AnengineerconfiguredthewrongdefaultgatewayfortheCiscoDNACenterenterpriseinterface