多项选择题

Option 10C is an implementation of Inter-AS MPLS VPN. Which two statements about Option 10C aretrue？（）

A.Great scalability is offered
B.Route Target Rewrite must be configured on ASBRs
C.Multihop EBGP is utilized between route reflectors
D.Multihop EBGP is utilized between ASBRs
E.The ASBRs hold VPNv4 routes

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单项选择题

Which statement about the Cisco MPLS TE Fast Reroute （FRR） node protection operation is not correct？（）

A.It requires a next-next hop backup tunnel.
B.Point of local repair （PLR） swaps the next hop label and pushes the backup label.
C.The backup tunnel terminates on the merge point （MP） where traffic rejoins the primary tunnel.
D.The backup tunnel can have associated bandwidth capacity.
E.Restoration time is expected under 50 ms.

单项选择题

Where are MPLS point-to-multipoint traffic engineering packets replicated？（）

A.head-end router
B.branch-point router
C.midpoint router
D.leaf-point router
E.tail-end router

多项选择题

Which three statements about BGP confederation and route reflectors are true？（）

A.Clusters are used in confederation schemes to avoid loops.
B.BGP network can have a confederation within a route reflector area.
C.An internal BGP network cannot have a route reflector within a confederation.
D.An internal BGP network can have a route reflector within a confederation.
E.Clusters are used in route reflector schemes to avoid loops.
F.BGP network cannot have a confederation within a route reflector area.