Security Design — GCP PCA Practice Question 29

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Identify the VPC mode that requires manual subnet creation.

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C.Create a Custom mode VPC network and manually define the subnets and IP ranges.✓ Correct

Create a Custom mode VPC network and manually define the subnets and IP ranges.

When connecting GCP to an on-premises network (via VPN or Interconnect), you must ensure there are no overlapping IP ranges. Auto mode VPCs automatically create a subnet in every GCP region with predefined IP ranges. Custom mode VPCs start with no subnets, giving you complete control to define specific IP ranges that fit into your enterprise IP address management (IPAM) plan.

Common mistakes

Using the default network for production, leading to routing conflicts when connecting to on-premises.

You are creating a new GCP project for a production environment. You need strict control over the IP address ranges used by your subnets to prevent overlapping with your on-premises network. How should you configure the VPC network?

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Common mistakes

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