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PROFESSIONAL-CLOUD-NETWORK-ENGINEER · Question #44

You are using a third-party next-generation firewall to inspect traffic. You created a custom route of 0.0.0.0/0 to route egress traffic to the firewall. You want to allow your VPC instances without…

The correct answer is A. Turn on Private Google Access at the subnet level. D. Create a set of custom static routes to send traffic to the external IP addresses of Google APIs. By default, when a Compute Engine VM lacks an external IP address assigned to its network interface, it can only send packets to other internal IP address destinations. You can allow these VMs to connect to the set of external IP addresses used by Google APIs and services by…

Submitted by jordan8· Apr 18, 2026Implementing network security

Question

You are using a third-party next-generation firewall to inspect traffic. You created a custom route of 0.0.0.0/0 to route egress traffic to the firewall. You want to allow your VPC instances without public IP addresses to access the BigQuery and Cloud Pub/Sub APIs, without sending the traffic through the firewall. Which two actions should you take? (Choose two.)

Options

  • ATurn on Private Google Access at the subnet level.
  • BTurn on Private Google Access at the VPC level.
  • CTurn on Private Services Access at the VPC level.
  • DCreate a set of custom static routes to send traffic to the external IP addresses of Google APIs
  • ECreate a set of custom static routes to send traffic to the internal IP addresses of Google APIs

How the community answered

(29 responses)
  • A
    83% (24)
  • B
    3% (1)
  • C
    7% (2)
  • E
    7% (2)

Explanation

By default, when a Compute Engine VM lacks an external IP address assigned to its network interface, it can only send packets to other internal IP address destinations. You can allow these VMs to connect to the set of external IP addresses used by Google APIs and services by enabling Private Google Access on the subnet used by the VM's network interface. https://cloud.google.com/vpc/docs/configure-private-google-access https://cloud.google.com/vpc/docs/private-access-options

Topics

#Private Google Access#Custom Routes#Egress Routing#Google APIs Connectivity

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