单项选择题
A. Open B. Active C. Update D. Notification
Which message is used to transport routing information ...
单项选择题Which message is used to transport routing information between BGP peers?（）
A. Open B. Active C. Update D. Keepalive
Which three BGP states follow the successful completion...
多项选择题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
Which three BGP states are associated with establishing...
多项选择题Which three BGP states are associated with establishing TCP connectivity?（） (Choose three.)
A.Idle B.Active C.Connect D.Open Sent E.Established
