Which three statements about the secure domain router are true？（）

A.The VPNv4 address is 128 bits long with a 128-bit long subnet mask
B.The VPNv4 address consists of an RD and an IPv4 address
C.The VPNv4 address is 96 bits long with a 64-bit long subnet mask
D.The VPNv4 address is 128 bits long with a 64-bit long subnet mask
E.The VPNv4 address consists of an RT and an IPv4 address
F.The VPNv4 address is 96 bits long with a 32-bit long subnet mask

A.MSDP is running between anycast RPs
B.Anycast RP provides redundancy and load-sharing capabilities
C.Multicast BGP is running between anycast RPs
D.In anycast RP，two or more RPs are configured with the same multicast IP address on loopback interfaces
E.In anycast RP，two or more RPs are configured with the same unicast IP address on loopback interfaces

A.The bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path length
B.The bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path system
C.Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.
D.Enabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.
E.The bgp deterministic-med and bgp always-compare-med commands are enabled by defult.