多项选择题

ourcompanyisresearchinganewapplicationthatrunsoverIPv6，……

our company is researching a new application that runs over IPv6， but part of it must still have IPv4 support. Your company uses a traditional IPv4 network. Your plan is not to run IPv6 over the whole network， but to segment parts of the network or even to operate simultaneously with IPv6 and IPv4. You must make a brief presentation about IPv6 technology to the board of technical directors. Which three of these items could be part of your presentation？（）

A.Tunnel IPv6 over IPv4 to connect far-end IPv6 networks.
B.Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is not possible.
C.Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is possible.
D.What is the meaning of EUI-64 and how does it work？
E.Tunnel IPv4 over IPv6 to connect far-end IPv4 networks.

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多项选择题HalfofyournetworkusesRIPv2andtheotherhalfrunsOSPF.Thenetworksdonotcommunicatewitheachother.WhichtwoofthesefactorsdescribetheimpactofactivatingEIGRPovereachseparatepart？（）

A.EIGRP will not be accepted when configured on the actual RIPv2 routers.
B.OSPF will no longer be used in the routing table， because you only have EIGRP internal routes running.
C.OSPF will no longer be used in the routing table， because you only have EIGRP external routes running.
D.RIPv2 will populate its RIP database but not its routing table， because you only have EIGRP external routes running.
E.RIPv2 will populate its RIP database but not its routing table， because you only have EIGRP internal routes running.
F.OSPF database will have RIPv2 routes.

多项选择题henetworkadministratoristryingtoaddSwitch1tothenetwork，butthe802.1Qtrunkisnotcomingup.Switch1waspreviouslytestedinthelaboratoryanditstrunkconfigurationworkedfine.Whatarethreepossiblecausesofthisproblem？（）

A.The trunking configuration mode on Switch1 is set to Off.
B.The trunking configuration mode on the other end is set to On.
C.The trunking configuration mode on the other end is set to Desirable.
D.Cisco Discovery Protocol is not running on the other end.
E.There is a VTP domain name mismatch.
F.Switch1 does not support 802.1Q

单项选择题TwoBGPpeersconnectedthrougharoutedfirewallareunabletoestablishapeeringrelationship.Whatcouldbethemostlikelycause？（）

A.BGP peers must be Layer 2-adjacent.
B.EBGP multihop is not configured.
C.The firewall is not configured to allow IP protocol 89.
D.The firewall is not configured to allow UDP 179.

单项选择题AnetworkiscomposedofseveralVRFs.ItisrequiredthatVRFusersVRF_AandVRF_BbeabletoroutetoandfromVRF_C，whichhostssharedservices.However，trafficmustnotbeallowedtoflowbetweenVRF_AandVRF_B.Howcanthisbeaccomplished？（）

A.route redistribution
B.import and export using route descriptors
C.import and export using route targets
D.Cisco MPLS Traffic Engineering

单项选择题WhichofthesetablesisusedbyanLSRtoperformaforwardinglookupforapacketdestinedto anaddresswithinanRFC4364VPN？（）

A.CEF
B.FIB
C.LFIB
D.IGP