Google Professional Cloud Network Engineer exam dumps

Google Professional Cloud Network Engineer practice question 546 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 546

Single answerGoogle Cloud Platform

Your organization has a hybrid cloud setup with on-premises data centers and resources deployed in Google Cloud. The on-premises environment uses an internal DNS server for resolving custom domain names, while Google Cloud resources are expected to resolve both custom on-premises domain names and public domain names. You want to configure DNS forwarding to ensure that Google Cloud instances can resolve the on-premises custom domain names. How should you configure this setup?

  1. A

    Create a Private DNS zone in Google Cloud and manually add the on-premises custom domain records to it.

  2. B

    Configure a Cloud DNS forwarding zone and specify the on-premises DNS server as the target forwarding address.

  3. C

    Set up a DNS peering policy between the Google Cloud VPC and the on-premises environment.

  4. D

    Use Google's public DNS servers (8.8.8.8 and 8.8.4.4) to resolve on-premises custom domain names.

Show answer and explanation

Correct answer: B

Explanation

To enable Google Cloud resources to resolve on-premises custom domain names, you need to configure a Cloud DNS forwarding zone. This type of zone forwards queries for specific domains to an external DNS server, such as the on-premises internal DNS server. Other options like setting up a Private DNS zone or using public DNS servers are not suitable for resolving private, custom domain names in a hybrid environment.

  • A. Incorrect.

    This option is incorrect because a Private DNS zone is only useful for managing DNS records within Google Cloud, not for forwarding queries to an on-premises DNS server.

  • B. Correct.

    This is the correct answer because a Cloud DNS forwarding zone allows you to forward DNS queries for specific domains (e.g., on-premises custom domains) to an external DNS server, such as your on-premises DNS server.

  • C. Incorrect.

    This option is incorrect because DNS peering is used to share DNS records between different Google Cloud VPCs, not for forwarding queries to an on-premises environment.

  • D. Incorrect.

    This option is incorrect because public DNS servers like 8.8.8.8 cannot resolve custom on-premises domain names that are not publicly accessible.

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