Google Professional Cloud Network Engineer exam dumps

Google Professional Cloud Network Engineer practice question 682 of 790

Professional Cloud Network Engineer. Professional level, Google Cloud. Free question with the correct answer and a full explanation.

Google Professional Cloud Network Engineer Question 682

Select 4Google Cloud Platform

You are configuring a hybrid network between your on-premises data center and Google Cloud using Cloud Router and a VPN tunnel. To enhance the failure detection mechanism and reduce failover time, you want to enable Bidirectional Forwarding Detection (BFD). Which of the following steps are required to configure BFD correctly in this scenario?

  1. A

    Enable BFD on the Cloud Router associated with the VPN tunnel.

  2. B

    Ensure the on-premises router supports BFD and has it enabled.

  3. C

    Configure BFD on Google Cloud's VPC network subnets.

  4. D

    Set the desired BFD session parameters, such as minimum transmit and receive intervals, on the Cloud Router.

  5. E

    Ensure the VPN tunnel is set to 'dynamic routing' mode to support BFD.

Show answer and explanation

Correct answers: A, B, D, E

Explanation

Bidirectional Forwarding Detection (BFD) is a protocol used to quickly detect failures in a network path. In Google Cloud, BFD is supported for dynamic routing VPN tunnels using Cloud Router. To configure BFD, you must enable it on the Cloud Router and ensure the on-premises router also supports and has BFD configured. Additionally, BFD session parameters can be tuned to adjust the detection timing. BFD does not operate at the subnet level, and it is only compatible with dynamic routing VPN tunnels.

  • A. Correct.

    Correct. BFD must be explicitly enabled on the Cloud Router associated with the VPN tunnel to monitor the health of the connection.

  • B. Correct.

    Correct. BFD requires support and configuration on both ends of the connection, including the on-premises router.

  • C. Incorrect.

    Incorrect. BFD is not configured directly on VPC network subnets; it operates at the level of the Cloud Router and VPN tunnel.

  • D. Correct.

    Correct. BFD session parameters, such as transmit and receive intervals, must be configured to tune the failure detection timing.

  • E. Correct.

    Correct. BFD is only supported when the VPN tunnel is using dynamic routing, as it relies on Cloud Router to function.

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