题库1-50

Apermittcphost209.165.200.225lt80host209.165.201.25

Bpermittcphost209.165.201.25host209.165.200.225eq80

Cpermittcphost209.165.200.225eq80host209.165.201.25

Dpermittcphost209.165.200.225host209.165.201.25eq80

AType1hypervisoristheonlytypeofhypervisorthatsupportshardwareaccelerationtechniques.

BType1hypervisorreliesontheexistingOSofthehostmachinetoaccessCPU,memory,storage,andnetworkresources.

CType1hypervisorrunsdirectlyonthephysicalhardwareofthehostmachinewithoutrelyingontheunderlyingOS.

DType1hypervisorenablesotheroperatingsystemstorunonit.

AUDPjitter

BICMPjitter

CTCPconnect

DICMPecho

A{“switch”:“name”:“dist1”,“interfaces”:[“gig1”,“gig2”,“gig3”]}

B{/“switch/”:{/“name/”:“dist1”,/“interfaces/”:[“gig1”,“gig2”,“gig3”]}}

C{“switch”:{“name”:“dist1”,“interfaces”:[“gig1”,“gig2”,“gig3”]}}

D{‘switch’:(‘name’:‘dist1’,‘interfaces’:[‘gig1’,‘gig2’,‘gig3’])}

AEnterspanning-treeport-priority4onSW2.

BEnterspanning-treeport-priority32onSW1.

CEnterspanning-treeport-priority224onSW1.

DEnterspanning-treeport-priority64onSW2.

A2WAY/DROTHERonbothrouters

Bnotestablished

CFULLonbothrouters

DFULL/BDRonR1andFULL/BDRonR2

AHTTPStatusCode:200

BHTTPStatusCode:302

CHTTPStatusCode:401

DHTTPStatusCode:504

APITR

Bmapresolver

Cmapserver

DPETR

AusesflexibleNetFlow

BassignsaVLANtotheendpoint

Cclassifiestrafficbasedonadvancedapplicationrecognition

DclassifiestrafficbasedonthecontextualidentityoftheendpointratherthanitsIPaddress

ASW1(config)#vtpmodetransparent

BSW3(config)#vtpmodetransparent

CSW2(config)#vtppruning

DSW1(config)#vtppruning

ASSL

BCiscoTrustSec

CMACsec

DIPsec

AHTTP

BSSH

CHTTPS

DTCP

Alogginghost10.2.3.4vrfmgmttransporttcpport514

Blogginghost10.2.3.4vrfmgmttransportudpport514

Clogginghost10.2.3.4vrfmgmttransporttcpport6514

Dlogginghost10.2.3.4vrfmgmttransportudpport6514

A{Name:BobJohnson,Age:75,Alive:true,FavoriteFoods:[Cereal,Mustard,Onions]}

B{“Name”:“BobJohnson”,“Age”:75,“Alive”:true,“FavoriteFoods”:[“Cereal”,“Mustard”,“Onions”]}

C{‘Name’:‘BobJohnson’,‘Age’:75,‘Alive’:True,‘FavoriteFoods’:‘Cereal’,‘Mustard’,‘Onions’}

D{“Name”:“BobJohnson”,“Age”:Seventyfive,“Alive”:true,“FavoriteFoods”:[“Cereal”,“Mustard”,“Onions”]}

Atry/catch

Bcatch/release

Cblock/rescue

Dtry/except

AsecuritygrouptagACLassignedtoeachportonaswitch

Bsecuritygrouptagnumberassignedtoeachuseronaswitch

Csecuritygrouptagnumberassignedtoeachportonanetwork

DsecuritygrouptagACLassignedtoeachrouteronanetwork

ARPsarerequiredonlywhenusingprotocolindependentmulticastdensemode.

BRPsarerequiredforprotocolindependentmulticastsparsemodeanddensemode.

CBydefault,theRPisneededperiodicallytomaintainsessionswithsourcesandreceivers.

DBydefault,theRPisneededonlytostartnewsessionswithsourcesandreceivers.

ARoutetargetscontroltheimportandexportofroutesintoacustomerroutingtable.

BWhenBGPisconfigured,routetargetsaretransmittedasBGPstandardcommunities.

CRoutetargetsallowcustomerstobeassignedoverlappingaddresses.

DRoutetargetsuniquelyidentifythecustomerroutingtable.

Apoint-to-multipointtononbroadcast

Bbroadcasttononbroadcast

Cpoint-to-multipointtobroadcast

Dbroadcasttopoint-to-point

AConnectsendpointstothefabricandforwardstheirtraffic.1366%2C768%2C1%2CP

BEncapsulatesend-userdatatrafficintoLISP.

CConnectstheSD-AccessfabrictoanotherfabricorexternalLayer3networks.

DProvidesreachabilitybetweenbordernodesinthefabricunderlay.

Apolicing

Bclassification

Cmarking

Dshaping

Arouterwiththelowestpriority

Brouterwiththehighestpriority

Crouterwiththehighestloopbackaddress

Drouterwiththelowestloopbackaddress

Aauto/desirable

Bdesirable/desirable

Cdesirable/auto

Dauto/auto

A192.168.101.10

B192.168.101.14

C192.168.101.6

D192.168.101.18

AItmusthaveanSSHserverrunning.

BItmustbeaLinuxserveroraCiscodevice.

CItmustsupportadhoccommands.

DItmustsupportadhoccommands.

ATheFIBispopulatedbasedonRIBcontent.

BTheRIBmaintainsaminorimageoftheFIB.

CTheRIBisusedtomakeIPsourceprefix-basedswitchingdecisions.

DTheFIBiswhereallIProutinginformationisstored.

A1

B7

C13

D15

ATheclienthasincorrectcredentialsstoredfortheconfiguredbroadcastSSID.

BThehiddenSSIDwasnotmanuallyconfiguredontheclient.

CThebroadcastSSIDwasnotmanuallyconfiguredontheclient.

DTheclienthasincorrectcredentialsstoredfortheconfiguredhiddenSSID.

Atype1

Btype2

Ctype3

Dtype4

Atextstring

Busernameandpassword

CRADIUStoken

Dcertificate

AdefaultVRF

BVRFVPN_A

CVRFVPN_B

DmanagementVRF

Anotification

Bemergency

Ccritical

Dalert

ANochangesoccurbecausethestandbyrouterisupgradedbeforetheactiverouter.

BNochangesoccurbecauseversion1and2usethesamevirtualMACOUI.

CEachHSRPgroupreinitializesbecausethevirtualMACaddresshaschanged.

DEachHSRPgroupreinitializesbecausethemulticastaddresshaschanged.

ATheycreatemoresecureandefficientSNMPOIDs.

BTheyprovideastandardizeddatastructure,whichresultsinconfigurationscalabilityandconsistency.

CTheyenableprogrammerstochangeorwritetheirownapplicationswithinthedeviceoperatingsystem.

DTheymaketheCLIsimplerandmoreefficient.

AAccesscontrolliststhatareappliedoutboundtoarouterinterfacedonotaffecttrafficthatissourcedfromtherouter.

BAfteranaccesscontrollistisappliedtoaninterface,thatinterfacemustbeshutandnoshutfortheaccesscontrollisttotakeeffect.

COnlystandardaccesscontrollistscanblocktrafficfromasourceIPaddress.

DTheaccesscontrollistmustcontainanexplicitdenytoblocktrafficfromtherouter.

A

B

C

D

AovertheDS

B802.11k

CadaptiveR

D802.11v

AActive

BPassive

COn

DAuto

A

B

C

D

ATheoutputdisplaysOSPFhellomessageswhichrouterR1hassentorreceivedoninterfaceFa0/1.

BTheoutputdisplaysOSPFmessageswhichrouterR1hassentorreceivedonallinterfaces.

CTheoutputdisplaysOSPFmessageswhichrouterR1hassentorreceivedonallinterfaces.

DTheoutputdisplaysOSPFhelloandLSACKmessageswhichrouterR1hassentorreceived.

Atap

Binline

Cpassive

Dinlinetap