Which three statements about anycast RP are true？ （）

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.

A.It requires a next-hop backup tunnel.
B.The backup tunnel terminates on the same tail-end router as the primary tunnel.
C.The point of local repair （PLR） swaps the label and pushes the backup label.
D.The restoration time is expected to be under 50 ms.
E.The backup tunnel can have associated bandwidth capacity

A.head-end router and tail-end router
B.middle-point router
C.head-end router
D.tart-end router
E.tail-end router