Cisco IOS XR Software Multicast Routing Implementation， which three features are supported in IPv6 onCisco CRS router？（）

单项选择题Whichoptionisnotavalidmethodtoassignthelowest-order64-bitfieldofanIPv6unicastaddress？（）

A.ARP
B.manual assignment
C.DHCPv6
D.auto-configured based on the 48-bit MAC address
E.auto-generated pseudo-random number

多项选择题Whichtworouterssupportcableaccess？（）

A.ME3000
B.UBR10000
C.ASR9000
D.CRS-1
E.ME3600
F.UBR7200

单项选择题AssumethatthePEsareseparatedbyMultipleProuters.HowmanylabelsshouldtheingressPEpushforBPEfunctionality？（）

A.1
B.None
C.3
D.2
E.It depends on the numbers of hops between the ingress and egress PE

单项选择题WhichoptiondescribesabenefitsofIPv6VPNProviderEdge？（）

A.Provider support for intra-AS and CSC scenarios
B.Uses separate signaling plane， which provides more security than IPv4
C.BGP is the preferred routing protocol for connecting two SPs
D.No requirement for a separate signaling plane

单项选择题WhichstatementaboutmulticastVPNistrue？（）

A.The MDT group address should be the same for both address families in the same VRF
B.The MDT group address should be the same for both address families in the different VRFs
C.Configuration of the MDT source on a pre-VRF basis is supported only on IPv6
D.The MDT group address should be different for both address families in the same VRF