多項(xiàng)選擇題

Which two methods advertise internal networks to external ISPs via BGP?（）

A. using aggregate routes
B. defining routes via the network statement
C. disablin g synchronization
D. forcing the next - hop address

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單項(xiàng)選擇題

Refer to the exhibit The neighbor 10.1.1.1 weight 200 BGP configuration command has been configured on router A. What will be the result of this configuration? （）

A. Router A will prefer the path through router B for network 172.20.0.0
B. Router A will prefer the path through router C for network 172.20.0.0
C. Packets from router D will prefer the path through router B for networks advertised by router A
D. Packets from r outer D will prefer the path through router C for networks advertised by router A

單項(xiàng)選擇題

What technique should be used on BGP edge routers to prevent a multi - homed autonomous system from becoming a trans it system?（）

A. Advertise with a high MED value all networks that are discovered via external BGP.
B. Set the no - export community attribute on all networks that are advertised externally.
C. Remove the AS - Path information on all routes in the BGP table pr ior to advertising externally.
D. Set the origin code to incomplete for all networks that are discovered via external BGP.
E. Only advertise networks externally if they have been discovered via internal BGP.
F. Use an outgoing distribution list to filte r all networks not originating from inside the autonomous system.