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单项选择题Which of the following answers is most true about the BGP Update message?()

A、It lists a set of path attributes, along with a list of prefixes that use those PAs

B、It lists a prefix/length, plus the PA settings for that prefix

C、It  lists withdrawn routes, but never in the same Update message as newly advertised routes

D、A single Update message lists at most a single prefix/lengtH

  • A
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