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H12-821_V1.0 · Question #249

Which of the following descriptions about BGP route aggregation is wrong?

The correct answer is B. All BGP route aggregation processes aggregate all routes and publish them. See the full explanation below for the reasoning.

Question

Which of the following descriptions about BGP route aggregation is wrong?

Options

  • AManual aggregation can control the attributes of aggregated routes and decide whether to publish specific routes
  • BAll BGP route aggregation processes aggregate all routes and publish them
  • CRoute aggregation is a mechanism for merging multiple routes. It reduces the size of the routing table by only sending the aggregated route to the peer instead of sending all component routes
  • DIn order to avoid routing loops that may be caused by route aggregation, BGP designed the AS_Set attribute

How the community answered

(30 responses)
  • A
    3% (1)
  • B
    77% (23)
  • C
    13% (4)
  • D
    7% (2)

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