單項選擇題

How are RIP routing contexts implemented in MPLS VPN? （）

A. RIP does not support routing contexts
B. routing contexts are implemented in a single routing process
C. routing contexts are implemented using multiple routing processes
D. routing contexts are implemented as several instances of a single routing process
E. routing contexts are implemented as a single instance of several routing processes

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多項選擇題

Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? （）(Choose three.)

A. start LDP
B. enable CEF switching
C. configure the MPLS ID
D. disable IP TTL propagation
E. configure conditional label advertising
F. enable label switching on frame mode interfaces

單項選擇題

Why is it appropriate to use conditional label advertising when deploying MPLS? （）

A. to make CEF tables smaller
B. to enable label switching on the frame mode interface
C. to restrict MPLS availability to predefined time periods
D. to restrict label switching to a limited number of networks
E. to restrict end users from seeing the routers in the MPLS network