A.Class-based Model
B.Maximum Allocation Model
C.Russian Doll Model
D.Global Tunnel Model
E.Policy-based Model

A.AFI is 2， SAFI is 128
B.AFI is 1， SAFI is 64
C.AFI is 2， SAFI is 64
D.AFI is 1， SAFI is 96
E.AFI is 2， SAFI is 96
F.AFI is 1， SAFI is 128

A.asynchronous response mode （ARM）
B.normal peer mode （NPM）
C.asynchronous balanced mode （ABM）
D.normal response mode （NRM）
E.asynchronous client mode （ACM）

A.OSPF
B.BGP
C.RIP version 2
D.IS-IS
E.EIGRP

A.Local mechanism is at the middle-point router.
B.EXP selection is between multiple tunnels to the same destination
C.Bundle members are configured with EXP values to carry.
D.The tunnel selection is configured on the tunnel master.
E.The tunnel master bundles the tunnel members

A.LDP hello packets are sent to TCP 646.
B.LDP session packets are sent to TCP 646.
C.LDP session packets are sent to TCP 711.
D.LDP hello packets are sent to TCP 711.
E.LDP hello packets are sent to UDP 711.
F.LDP hello packets are sent to UDP 646.

A.The logical router can span across chassis.
B.The fabric and system controller module are shared by all logical routers.
C.Each logical router has a distinct fabric and system controller module
D.The logical router can share a route processor
E.The logical router cannot share a route processor

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.