单项选择题
Whichofthefollowingprotocolsenablesagroupofrouterstoformasinglevirtualrouter，andthenusetherealIPaddressofarouterasthegatewayaddress，asdefinedinRFC2338？（）
- A.ProxyARP
B.HSRP
C.IRDP
D.VRRP
E.GLBP
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相关考题
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单项选择题
Inthehardwareaddress0000.0c07.ac0av，whatdoes07.acrepresent？（）
A.HSRPwell-knownphysicalMACaddress
B.Vendorcode
C.HSRProuternumber
D.HSRPgroupnumber
E.HSRPwell-knownvirtualMACaddress -
单项选择题
YouwanttoimplementrouterredundancyintheCompanynetworkusingthebestmethodavailable.WhichprotocolspecifiedbyRFC2281providesnetworkredundancyforIPnetworks，ensuringthatusertrafficimmediatelyandtransparentlyrecoversfromfirst-hopfailuresinnetworkedgedevicesoraccesscircuits？（）A.ICMPB.IRDPC.HSRPD.STPE.Noneoftheotheralternativesapply
A.WhichprotocolspecifiedbyRFC2281providesnetworkredundancyforIPnetworks，ensuringthatusertrafficimmediatelyandtransparentlyrecoversfromfirst-hopfailuresinnetworkedgedevicesoraccesscircuits？（）
A.ICMP
B.IRDP
C.HSRP
D.STP
E.Noneoftheotheralternativesapply -
单项选择题
Youadministeranetworkthatusestworouters，R1andR2，configuredasanHSRPgrouptoprovideredundancyforthegateway.RouterR1istheactiverouterandhasbeenconfiguredasfollows：R1#configureterminalR1（config）#interfacefa0/0R1（config-if）#ipaddress10.10.0.5255.255.255.0R1（config-if）#standby1priority150R1（config-if）#standbypreemptdelayminimum50R1（config-if）#standby1trackinterfacefa0/215R1（config-if）#standby1ip10.10.0.20Whichofthefollowingdescribestheeffectthestandbypreemptdelayminimum50commandwillhaveonrouterR1？（）
A.RouterR1istheactiverouterandhasbeenconfiguredasfollows：
B.10.0.5255.255.255.0
C.10.0.20
