单项选择题

Which statement is true about IBGP routers? （）

A. They must be fully meshed
B. They can be in a different AS
C . They do not need to be directly connected
D. They must be directly connected

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单项选择题

Refer to the exhibit diagram and config uration. RTB is summarizing its networks from AS 64100 with the aggregate - address command. However, the show ip route command on RTA reveals the RTB individual networks as well as its summary route.
Which option would ensure that only the summary route would appear in the routing table of RTA?（）

A. Add a static route with a prefix of 192.168.24.0 255.255.252.0 pointing to the null0 interface.
B. Create a route map permitting only the summary address.
C. Delete the four network statements and leave onl y the aggregate - address statement in the BGP configuration.
D. Add the keyword summary - only to the aggregate - address command.

单项选择题

Observe the diagram. RTC is the hub router and RTA and RTB are the spokes. There are no virtual circuits between the spoke locations. What is needed to successfully route traffic to the 11.11.11.0/24 network from RTA? （）

A. The neighbor 10.10.10.1 next - hop - self com mand on RTA
B. Nothing is required. This is the default behavior on this topology
C. The neighbor 10.10.10.1 next - hop - self command on RTB
D. The neighbor 10.10.10.1 next - hop - self command on RTC

单项选择题

Which BGP attribute will not be advertised in routing updates to its neighboring routers? Select the best response.（）

A. weight
B. local preference
C. origin
D. AS_path
E. next hop