CCIE系列認證CCIE SP章節(jié)練習(xí)(2019.04.21)

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

A.Prevents head-of-line blocking
B.Uses less memory
C.Increases forwarding performance
D.Simplifies configuration

A.MAC over MPLS
B.L2TPV3
C.802.1 QinQ
D.Ethernet over MPLS
E.GRE

A.Route tagging is one of the techniques used by RTBH
B.It is used for BGP authentication
C.It cannot work with static routes
D.It uses extended ACLs for blocking attacks by creating a black hole
E.Before configuring RTBH LDP must be enabled on the interface

A.R1（config-route-at）#
B.R1（config-route-map）#
C.R1（config-it）#
D.R1（config-vrf）#
E.R1（config）#
F.R1（router）#

A.239.0.0.1
B.239.255.255.255
C.224.0.0.10
D.224.0.0.5

A.sham link
B.down bit
C.virtual link
D.Site of Origin
E.domain tag

A.Bandwidth that is reserved for SVCs to route over a trunk
B.Bandwidth that is reserved on a trunk so that ABR connections can burst
C.Bandwidth on a trunk that is reserved for control traffic and cannot be used by connections
D.Bandwidth that cannot be allocated to connections but can be used to accommodate statistical variations in the traffic

A.The configuration to define Route-Distinguisher is Ip vrf bulle Rd 1：1
B.A route distinguisher can be imported and exported to and from a VRF
C.Route-Distinguisher is an 8 byte BGP attribute value used in influencing BGP best path algorithm.
D.Route-Distinguisher is an 8 byte value used in creating unique VPNv4 address.

A.backing up the information for the broken connections
B.provides common information for connecting processes and services
C.detection of a failed connection
D.provides an abstract name for a process or service
E.distribution of symbolic link information