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

A.PIM-SSM
B.Aggregation multicast
C.PIM-Bidirectional
D.OOR handling
E.integrated multicast
F.Multicast NSF


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1.單項(xiàng)選擇題Which option is not a valid method to assign the lowest-order 64-bit field of an IPv6 unicast address？（）

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

2.多項(xiàng)選擇題Which two routers support cable access？（）

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

3.單項(xiàng)選擇題Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality？（）

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

4.單項(xiàng)選擇題Which option describes a benefits of IPv6 VPN Provider Edge？（）

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

5.單項(xiàng)選擇題Which statement about multicast VPN is true？（）

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