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4A0-C01 · Question #179

Click on the exhibit. Before the link failure, all routers have operational OSPF adjacencies between them and there is a BFD session between routers R1 and R3. After the link failure, which of the…

The correct answer is C. The convergence time depends on the value of the BFD interval and multiplier settings on routers R1 andR3. See the full explanation below for the reasoning.

Question

Click on the exhibit. Before the link failure, all routers have operational OSPF adjacencies between them and there is a BFD session between routers R1 and R3. After the link failure, which of the following affects the IGP convergence time?

Exhibit

4A0-C01 question #179 exhibit

Options

  • AThe convergence time depends on the value of the OSPF hello timers on routers R1 andR3.
  • BThe convergence time depends on the value of the OSPF hello timers and Dead interval on routers R1 and R3.
  • CThe convergence time depends on the value of the BFD interval and multiplier settings on routers R1 andR3.
  • DThe convergence time depends on the time taken by the switches to detect the link failure.

How the community answered

(69 responses)
  • A
    3% (2)
  • B
    16% (11)
  • C
    71% (49)
  • D
    10% (7)

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