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Designing, Planning, and Prototyping a GCP Network practice questions

Practise Google Professional Cloud Network Engineer Designing, Planning, and Prototyping a GCP Network practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security
20 questionsDomain: Designing, Planning, and Prototyping a GCP Network

What the exam tests

What to know about Designing, Planning, and Prototyping a GCP Network

Designing, Planning, and Prototyping a GCP Network questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Designing, Planning, and Prototyping a GCP Network exam traps

  • Answering from memory before reading the full scenario.
  • Missing a constraint such as cost, availability, security, scope or command context.
  • Choosing a broad answer when the question asks for the most specific fix.
  • Ignoring why the wrong options are tempting.

Practice set

Designing, Planning, and Prototyping a GCP Network questions

20 questions · select your answer, then reveal the explanation

A company wants to connect two VPCs in the same region so that they can communicate using internal IP addresses without transiting the internet. They have no overlapping IP ranges. Which GCP networking feature should they use?

Question 2easymultiple choice
Review the full subnetting walkthrough →

An organization needs to create a VPC that automatically creates subnets in every region as new regions become available. Which VPC type should they use?

Question 3mediummultiple choice
Review the full routing breakdown →

A company has two VPCs connected via VPC peering. They want resources in VPC A to be able to reach a service in VPC B that uses a custom static route. What must be configured on the VPC peering connection?

A financial services company requires a dedicated, low-latency connection between their on-premises data center and Google Cloud. They need a 99.99% SLA and bandwidth of 10 Gbps. Which connectivity option should they choose?

Question 5mediummultiple choice
Read the full VPN explanation →

A company is planning a hybrid connectivity setup using HA VPN. They want to ensure high availability by using two Cloud VPN gateways. How many tunnels and external IP addresses are required for the HA VPN to achieve 99.99% SLA?

Question 6hardmultiple choice
Read the full DNS explanation →

A company uses Cloud DNS private zones for their internal network. They have multiple projects and want to resolve DNS names from one project's private zone in another project. Which feature should they use?

Question 7mediummultiple choice
Review the full subnetting walkthrough →

An organization has multiple VPCs in a Shared VPC setup. They want to allow only certain service projects to use a specific subnet in the host project. What should they configure?

Question 8hardmultiple choice
Open the full BGP breakdown →

A company is connecting their on-premises network to GCP via Cloud Interconnect with VLAN attachments and BGP sessions. They want to prefer one attachment over the other for traffic to a specific prefix. Which BGP attribute should they use?

Question 9easymultiple choice
Review the full subnetting walkthrough →

A developer wants to create a GKE cluster with a separate subnet for pods and services to avoid IP address exhaustion. What type of secondary IP ranges should they configure on the VPC subnet?

A company wants to connect multiple on-premises data centers and multiple GCP VPCs in a hub-and-spoke topology using GCP's managed service. Which service provides this capability?

Question 11hardmultiple choice
Read the full DNS explanation →

An on-premises DNS server is configured to forward queries for a private zone in GCP. They set up inbound DNS forwarding from on-prem to GCP using Cloud DNS forwarding. What must be configured on the VPC?

Question 12mediummultiple choice
Open the full BGP breakdown →

A company needs to advertise a specific prefix from their on-premises network to GCP via Cloud Router. They do not want to advertise all connected networks. What should they configure on the Cloud Router's BGP peer?

A company is planning to use Partner Interconnect to connect their on-premises network to GCP. Which TWO of the following are characteristics of Partner Interconnect?

Question 14mediummulti select
Read the full DNS explanation →

A company needs to design a split-horizon DNS solution where internal queries resolve to private IPs and external queries resolve to public IPs for the same domain. Which TWO services or configurations should they use?

A company has multiple VPCs in different projects and wants to connect them all to a single on-premises data center using a hub-and-spoke model with Network Connectivity Center (NCC). Which THREE components are required for this setup?

A startup is setting up a new GCP project and needs to create a VPC that will have predictable IP ranges for future peering with other VPCs. They do not anticipate needing to grow the network beyond the initial IP range. Which VPC type should they choose?

An organization is migrating on-premises workloads to GCP. They need a dedicated, high-bandwidth connection with a 99.99% SLA. They have a co-location facility near a Google Cloud region. Which connectivity option should they choose?

Question 18mediummultiple choice
Review the full routing breakdown →

A company has two VPCs in different projects that need to communicate. They want to avoid using VPC peering due to the limit on the number of peerings and the need for transitive routing. Which GCP service can provide a hub-and-spoke topology to connect multiple VPCs and on-premises networks?

Question 19hardmultiple choice
Open the full BGP breakdown →

A network engineer is setting up HA VPN between an on-premises network and a GCP VPC. They have configured two Cloud VPN gateways in GCP, each with two interfaces, and four tunnels. They are using BGP with Cloud Router. However, only one of the four tunnels is established. What is the most likely cause?

Question 20easymultiple choice
Read the full DNS explanation →

A company wants to use Cloud DNS to resolve queries for a private zone (e.g., example.internal) from multiple VPCs in the same project. They need to ensure that instances in all VPCs can resolve the zone. What is the simplest approach?

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Frequently asked questions

What does the PCNE exam test about Designing, Planning, and Prototyping a GCP Network?
Designing, Planning, and Prototyping a GCP Network questions test whether you can apply the concept in context, not just recognise a definition.
How should I use these practice questions?
Select your answer before revealing the explanation. Then read why each option is right or wrong — this active recall approach builds retention far faster than re-reading notes.
Can I practise just Designing, Planning, and Prototyping a GCP Network questions in a focused session?
Yes — the session launcher on this page draws every question from the Designing, Planning, and Prototyping a GCP Network domain. Use a 10-question session first to gauge your baseline, then move to 20 or 30 once the weak spots are clear.
Where can I practise other PCNE topics?
Use the topic links above to move to related areas, or go back to the PCNE question bank to see all topics.
Are these real exam questions or dumps?
These are original practice questions written to test the same concepts the PCNE exam covers. They are not copied from any real exam or dump site.