Module 2: Network Routing and Addressing in Google Cloud

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In this post, I provide complete, accurate, and detailed explanations for the answers to Module 2: Network Routing and Addressing in Google Cloud of Cloud 4: Networking in Google Cloud: Routing and Addressing – Preparing for Google Cloud Certification: Cloud Security Engineer Professional Certificate.

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Quiz 1

Graded Assignment

1. You must create a VM that has an IPv6 address. How do you do it?

  • Create an IPv6-only subnet, and create the VM with an IPv6 address.
  • Create a dual-stack subnet, and create the VM with an IPv6 address. ✅
  • Create a single-stack network, and create the VM with an IPv6 address.
  • Create a dual-stack network, and create the VM with an IPv6 address.

Explanation:
To assign an IPv6 address to a Google Cloud VM, you need to use a dual-stack subnet, which supports both IPv4 and IPv6. Google Cloud does not currently support IPv6-only subnets for VM instances.

2. To set up hybrid deployments for DNS resolution, which type of DNS policy should you use?

  • Routing policy
  • Response policy
  • Server policy ✅
  • Traffic policy

Explanation:
To support hybrid DNS resolution in Google Cloud (e.g., resolving on-prem DNS names from GCP and vice versa), you use a Server policy. This allows you to forward DNS queries from your VPC to external DNS servers, such as on-premise or third-party servers.

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