Router R3 receives an LSA with the sequence number 111 from router R4 and then receives another copy of the LSA with a sequence number 112 from router R2. What does router R3 do with the LSA from R2?

Question

Exhibit

Options

• AR3 discards the LSA received from R2 and sends a copy of the LSA from its link state base to R2.
• BR3 installs the LSA received from R2 in its link state database and floods a copy to its neighbors.
• CR3 discards the LSA received from R2 and sends an ACK to R2.
• DR3 installs the LSA received from R2 in its link state database, sends an ACK to R2, and floods a

• A
  11% (4)
• B
  6% (2)
• C
  81% (29)
• D
  3% (1)

Explanation

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