What are the Address Family Identifier （AFI） and Subsequent Address Family Identifier （SAFI） values forVPNv6？（）

A.L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across an inter-AS boundary
B.L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across two separate MPLS networks
C.Quality of service is not supported per Pseudowire
D.L2VPN Pseudowire Switching connects two or more contiguous Pseudowires segments to from an end-to-end multihop Pseudowire
E.The Cisco MPLS Traffic Engineering tunnel selection is not supported

A.local preference
B.weight
C.origin
D.Network Layer Reachability Information
E.multiple exit discriminator

A.OSPF hello interval is 5 seconds
B.OSPF hello interval is 1 second
C.OSPF dead interval is 1 second
D.OSPF dead interval is 5 seconds
E.OSPF dead interval is 20 seconds
F.OSPF hello interval is 0.2 second