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單項選擇題

Which message is used to transport routing information between BGP peers?（）

A. Open
B. Active
C. Update
D. Keepalive

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多項選擇題

Which three BGP states follow the successful completion of the underlying TCP connectivity? （）(Choose three.)

A.Idle
B.Connect
C.Open Sent
D.Established
E.Open Confirm

多項選擇題

Which three BGP states are associated with establishing TCP connectivity?（） (Choose three.)

A.Idle
B.Active
C.Connect
D.Open Sent
E.Established

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