Which of the following descriptions of the router's LSA processing principles are correct? (Multiple choice)

Question

Options

• AIf multiple instances of an LSA are received, the highest priority is to check whether the checksums are the same. If they are not the same, the larger one is preferred.
• BIf the received LSA is damaged, such as Checksumn error, the LSA will not be received.
• CIf an LSA already exists in the local LSDB of the router and an updated LSA is received at this time, the local LSDB will be updated and the updated LSA will be flooded out.
• DIf the router receives an LSA that is not available locally, it updates the LSDB and uses DD messages to flood the LSDB.

• A
  13% (4)
• B
  77% (23)
• C
  10% (3)

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