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单选题
Which option is true regarding the synchronization rule ?()
A

Do not use or internally advertise a route until the route is lear ned from a source other than BGP.

B

Do not use or advertise a route until the route is learned from a BGP peer.

C

Do not use or advertise routes marked PARTIAL.

D

Wait until a CONFIRM message is received before using routes from BGP neighbors.


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