单项选择题

Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?（）

A. It tears down the BGP session.
B. It sends a restart message to the peer.
C. It marks all routes from that peer as stale.
D. It sends a BGP refresh message to the peer

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单项选择题

If the policies shown below evaluate as described, which action will occur for the listed policy expression?（）
Policy A=True
Policy B=True
Policy C=True
Policy D=False
Policy Expression: !(A&&B)||C

A. The policy evaluates to True (a&&n).
B. The policy evaluates to True because of c.
C. The policy evaluates to False because of c.
D. The policy evaluates to False because of !(a&&b).

单项选择题

Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）

A. The router receiving the route translates the Type 7 LSA into a Type 5 LSA.
B. The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.
C. The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.
D. All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.

单项选择题

A Candidate RP receives a bootstrap message with a higher priority than its own. What happens?（）

A. Use highest IP address as BSR.
B. Reset the bootstrap timer and continue to listen.
C. Forward all traffic to the bootstrap message originator.
D. Declare self as BSR and send bootstrap messages every 60 seconds.