Google
PROFESSIONAL-CLOUD-NETWORK-ENGINEER · Question #124
You recently deployed Compute Engine instances in regions us-west1 and us-east1 in a Virtual Private Cloud (VPC) with default routing configurations. Your company security policy mandates that virtual
The correct answer is A. Create a Cloud NAT gateway and Cloud Router in both us-west1 and us-east1.. When you create a Cloud NAT gateway, you can choose to have the gateway automatically allocate regional external IP addresses. Alternatively, you can manually assign a fixed number of regional external IP addresses to the gateway. For details about each method, see NAT IP
Submitted by takeshi77· Apr 18, 2026Designing, planning, and prototyping a Google Cloud network
Question
You recently deployed Compute Engine instances in regions us-west1 and us-east1 in a Virtual Private Cloud (VPC) with default routing configurations. Your company security policy mandates that virtual machines (VMs) must not have public IP addresses attached to them. You need to allow your instances to fetch updates from the internet while preventing external access. What should you do?
Options
- ACreate a Cloud NAT gateway and Cloud Router in both us-west1 and us-east1.
- BCreate a single global Cloud NAT gateway and global Cloud Router in the VPC.
- CChange the instances' network interface external IP address from None to Ephemeral.
- DCreate a firewall rule that allows egress to destination 0.0.0.0/0.
How the community answered
(31 responses)- A81% (25)
- B10% (3)
- C6% (2)
- D3% (1)
Explanation
When you create a Cloud NAT gateway, you can choose to have the gateway automatically allocate regional external IP addresses. Alternatively, you can manually assign a fixed number of regional external IP addresses to the gateway. For details about each method, see NAT IP
Topics
#Cloud NAT#Private IP#Network egress#Regional services
Community Discussion
No community discussion yet for this question.