Google Exam Professional Cloud Network Engineer Topic 1 Question 103 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam

Question #: 103
Topic #: 1

[All Professional Cloud Network Engineer Questions]

You are designing a hub-and-spoke network architecture for your company's cloud-based environment. You need to make sure that all spokes are peered with the hub. The spokes must use the hub's virtual appliance for internet access.

The virtual appliance is configured in high-availability mode with two instances using an internal load balancer with IP address 10.0.0.5. What should you do?

ACreate a default route in the hub VPC that points to IP address 10.0.0.5.
Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.
Export the custom routes in the hub.
Import the custom routes in the spokes.

BCreate a default route in the hub VPC that points to IP address 10.0.0.5.
Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.
Export the custom routes in the hub. Import the custom routes in the spokes.
Delete the default internet gateway route of the spokes.

CCreate two default routes in the hub VPC that point to the next hop instances of the virtual appliances.
Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.
Export the custom routes in the hub. Import the custom routes in the spokes.

DCreate a default route in the hub VPC that points to IP address 10.0.0.5.
Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.
Create a new route in the spoke VPC that points to IP address 10.0.0.5.

Show Suggested Answer

Suggested Answer: C, E

To troubleshoot the intermittent non-HTTP 200 responses, you should enable and review health check logs and log the backend service's responses in Cloud Logging. Reviewing the statusDetails field helps identify the cause of the error. Enabling logging on the load balancer and backend service provides visibility into the issue.

by Johanna at Mar 05, 2025, 08:11 PM

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