Google Professional Cloud Network Engineer exam dumps

Google Professional Cloud Network Engineer practice question 432 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 432

Select 3Google Cloud Platform

You are designing a Google Cloud solution for a web application that uses an external load balancer to route traffic to backend instances based on protocol. The application uses a non-standard protocol that is not supported by the Google Cloud HTTP(S) Load Balancer. Which of the following steps should you take to configure protocol forwarding to support this workload?

  1. A

    Create a forwarding rule that specifies the target backend instance group and the IP protocol.

  2. B

    Set up a target pool to associate instances with the forwarding rule.

  3. C

    Use a target instance as the backend to handle the traffic based on the protocol.

  4. D

    Configure a Google Cloud HTTP(S) Load Balancer to handle the traffic and forward it to the backend.

  5. E

    Reserve a static external IP address for the forwarding rule.

Show answer and explanation

Correct answers: A, C, E

Explanation

Protocol forwarding is used in scenarios where you need to forward traffic of a specific protocol (including non-standard protocols) directly to a backend target instance. To configure this, you need to create a forwarding rule that specifies the protocol and target instance, and reserve a static external IP address for consistent client access. HTTP(S) Load Balancers are not suitable for such use cases because they only support standard HTTP and HTTPS protocols.

  • A. Correct.

    Correct: Creating a forwarding rule is necessary to specify how traffic is forwarded to the backend based on the protocol and IP address.

  • B. Incorrect.

    Incorrect: Target pools are used for legacy network load balancers, not for protocol forwarding. Protocol forwarding uses target instances instead.

  • C. Correct.

    Correct: A target instance is required to handle traffic based on protocols in a protocol forwarding setup. This allows the backend instance to process non-standard protocols.

  • D. Incorrect.

    Incorrect: The Google Cloud HTTP(S) Load Balancer is designed to handle HTTP and HTTPS traffic. It cannot handle non-standard protocols, so it is not appropriate for this scenario.

  • E. Correct.

    Correct: Reserving a static external IP address ensures that the forwarding rule uses a predictable IP address for external clients.

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