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GCP-CNE Exam Practice Questions

Google Professional Cloud Network Engineer

GCP-CNE English PDF practice questions: 316 questions in source order, with options supported by the source format, answers and available explanations. Access covers this exam only. One-time payment; no automatic renewal.

Exam overview

For cloud network engineers designing VPCs, network services and hybrid connectivity, and operating network solutions.

Exam code
GCP-CNE
Official exam / credential
Google Professional Cloud Network Engineer
Exam format
50–60 single-answer and multiple-select questions (standard exam)
Exam duration
120 minutes
Official exam languages
English, Japanese

Official exam languages and practice-question file languages are listed separately. Confirm the exam version and available languages when booking with the provider.

Official sources: Provider reference
Information checked: 2026-10-20

Supported languages

  • English
  • Simplified Chinese
  • Japanese
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First 20 practice questions

316 total questions

Questions follow the source order. Expand each answer to see its explanation.

Disclaimer: All questions on ExamPico are compiled from internet sources and are provided for study reference only.

Question 11

Question#11Topic1

You are trying to update firewall rules in a shared VPC for which you have been assigned only Network Admin permissions. You cannot modify the firewall rules.
Your organization requires using the least privilege necessary.
Which level of permissions should you request?

  1. A. Security Admin privileges from the Shared VPC Admin.
  2. B. Service Project Admin privileges from the Shared VPC Admin.
  3. C. Shared VPC Admin privileges from the Organization Admin.
  4. D. Organization Admin privileges from the Organization Admin.
Show answer and explanation

Answer

A

Explanation

Reference:
https://cloud.google.com/vpc/docs/shared-vpc

Question 12

Question#12Topic1

You want to create a service in GCP using IPv6.
What should you do?

  1. A. Create the instance with the designated IPv6 address.
  2. B. Configure a TCP Proxy with the designated IPv6 address.
  3. C. Configure a global load balancer with the designated IPv6 address.
  4. D. Configure an internal load balancer with the designated IPv6 address.
Show answer and explanation

Answer

C

Explanation

Gloabal Load Balancer (https) is one of load balancer supports Ipv6 address. https://cloud.google.com/load-balancing/docs/ipv6

Question 13

Question#13Topic1

You want to deploy a VPN Gateway to connect your on-premises network to GCP. You are using a non BGP-capable on-premises VPN device. You want to minimize downtime and operational overhead when your network grows. The device supports only IKEv2, and you want to follow Google-recommended practices.
What should you do?

  1. A. "¢ Create a Cloud VPN instance. "¢ Create a policy-based VPN tunnel per subnet. "¢ Configure the appropriate local and remote traffic selectors to match your local and remote networks. "¢ Create the appropriate static routes.
  2. B. "¢ Create a Cloud VPN instance. "¢ Create a policy-based VPN tunnel. "¢ Configure the appropriate local and remote traffic selectors to match your local and remote networks. "¢ Configure the appropriate static routes.
  3. C. "¢ Create a Cloud VPN instance. "¢ Create a route-based VPN tunnel. "¢ Configure the appropriate local and remote traffic selectors to match your local and remote networks. "¢ Configure the appropriate static routes.
  4. D. "¢ Create a Cloud VPN instance. "¢ Create a route-based VPN tunnel. "¢ Configure the appropriate local and remote traffic selectors to 0.0.0.0/0. "¢ Configure the appropriate static routes.
Show answer and explanation

Answer

B

Explanation

The IKEv1 protocol only supports a single CIDR per Child SA as defined in RFC 2407 and RFC 2409. Because Cloud VPN requires a single Child SA per VPN tunnel, when you use IKEv1, you can only supply a single CIDR for the local traffic selector and a single CIDR for the remote traffic selector. When you create a policy-based Classic VPN tunnel, if you use IKEv2, you can specify multiple CIDRs per traffic selector. Cloud VPN always uses a single Child Security Association (SA), regardless of IKE version. https://cloud.google.com/network-connectivity/docs/vpn/concepts/choosing-networks-routing#ts-ip-ranges

Question 14

Question#14Topic1

Your company just completed the acquisition of Altostrat (a current GCP customer). Each company has a separate organization in GCP and has implemented a custom DNS solution. Each organization will retain its current domain and host names until after a full transition and architectural review is done in one year.
These are the assumptions for both GCP environments.
'¢ Each organization has enabled full connectivity between all of its projects by using Shared VPC.
'¢ Both organizations strictly use the 10.0.0.0/8 address space for their instances, except for bastion hosts (for accessing the instances) and load balancers for serving web traffic.
'¢ There are no prefix overlaps between the two organizations.
'¢ Both organizations already have firewall rules that allow all inbound and outbound traffic from the 10.0.0.0/8 address space.
'¢ Neither organization has Interconnects to their on-premises environment.
You want to integrate networking and DNS infrastructure of both organizations as quickly as possible and with minimal downtime.
Which two steps should you take? (Choose two.)

  1. A. Provision Cloud Interconnect to connect both organizations together.
  2. B. Set up some variant of DNS forwarding and zone transfers in each organization.
  3. C. Connect VPCs in both organizations using Cloud VPN together with Cloud Router.
  4. D. Use Cloud DNS to create A records of all VMs and resources across all projects in both organizations.
  5. E. Create a third organization with a new host project, and attach all projects from your company and Altostrat to it using shared VPC.
Show answer and explanation

Answer

BC

Explanation

https://cloud.google.com/dns/docs/best-practices

Question 15

Question#15Topic1

Your on-premises data center has 2 routers connected to your Google Cloud environment through a VPN on each router. All applications are working correctly; however, all of the traffic is passing across a single VPN instead of being load-balanced across the 2 connections as desired.
During troubleshooting you find:
'¢ Each on-premises router is configured with a unique ASN.
'¢ Each on-premises router is configured with the same routes and priorities.
'¢ Both on-premises routers are configured with a VPN connected to a single Cloud Router.
'¢ BGP sessions are established between both on-premises routers and the Cloud Router.
'¢ Only 1 of the on-premises router's routes are being added to the routing table.
What is the most likely cause of this problem?

  1. A. The on-premises routers are configured with the same routes.
  2. B. A firewall is blocking the traffic across the second VPN connection.
  3. C. You do not have a load balancer to load-balance the network traffic.
  4. D. The ASNs being used on the on-premises routers are different.
Show answer

Answer

D

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