Google Cloud Professional Cloud Network Engineer — Question 240

Your VPC is configured with regional dynamic routing mode. You have deployed VMs and VLAN attachments in the europe-west2 region, and regional internal Application Load Balancers in us-east1. You need to ensure the VMs in the europe-west2 region have connectivity to the regional internal Application Load Balancers in the us-east1 region. What should you do?

Answer options

• A. Create the backend in us-east1, create multiple forwarding rules in each region, and then enable regional access.
• B. Create the backend service in europe-west2, create the forwarding rule in us-east1, and then enable regional access.
• C. Create the backend service in us-east1, create the forwarding rule in europe-west2, and then enable global access.
• D. Create the backend service in us-east1, create the forwarding rule in us-east1, and then enable global access.

Correct answer: D

Explanation

The correct answer is D because creating the backend service and forwarding rule in the same region (us-east1) allows for proper connectivity and optimized routing. Options A and B incorrectly suggest splitting the backend and forwarding rules across regions, which complicates communication. Option C is incorrect as it does not align the backend and forwarding rule in the same region, essential for effective access.