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  1. Home
  2. Google Certification
  3. Professional-Cloud-Network-Engineer Exam
  4. Google.Professional-Cloud-Network-Engineer.v2026-01-02.q124 Dumps
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Question 56

You are a network administrator at your company planning a migration to Google Cloud and you need to finish the migration as quickly as possible, To ease the transition, you decided to use the same architecture as your on-premises network' a hub-and-spoke model. Your on-premises architecture consists of over 50 spokes.
Each spoke does not have connectivity to the other spokes, and all traffic IS sent through the hub for security reasons. You need to ensure that the Google Cloud architecture matches your on-premises architecture. You want to implement a solution that minimizes management overhead and cost, and uses default networking quotas and limits. What should you do?

Correct Answer: D
The correct answer is D because it meets the following requirements:
* It matches the hub-and-spoke model of the on-premises network, where each spoke is a separate VPC network that is connected to a central hub VPC network.
* It minimizes management overhead and cost, because VPC Network Peering is a simple and low-cost way to connect VPC networks without using any external IP addresses or VPN gateways1.
* It uses default networking quotas and limits, because VPC Network Peering does not consume any quota or limit for VPN tunnels, external IP addresses, or forwarding rules2.
* It prevents connectivity between the spokes, because VPC Network Peering is non-transitive by default, meaning that a spoke can only communicate with the hub, not with other spokes1. To enforce this restriction, a third-party network appliance can be used as a default gateway in each spoke VPC network, which can filter out any traffic destined for other spokes3.
Option A is incorrect because it does not minimize cost, as Cloud VPN charges for egress traffic and requires external IP addresses for the VPN gateways4. Option B is incorrect because it does not prevent connectivity between the spokes, as VPC Network Peering allows direct communication between peered VPC networks by default1. Option C is incorrect because it does not minimize cost or use default quotas and limits, for the same reasons as option A.
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Question 57

You have the following Shared VPC design VPC Flow Logs is configured for Subnet-1 In the host VPC. You also want to monitor flow logs for Subnet-2. What should you do?

Correct Answer: D
* Understanding VPC Flow Logs:
* VPC Flow Logs is a feature that captures information about the IP traffic going to and from network interfaces in a VPC. It helps in monitoring and analyzing network traffic, ensuring security, and optimizing network performance.
* Current Configuration:
* According to the diagram, VPC Flow Logs is already configured for Subnet-1 in the host VPC.
This means that traffic information for Subnet-1 is being captured and logged.
* Requirement for Subnet-2:
* The goal is to monitor flow logs for Subnet-2, which is in the service project VPC.
* Correct Configuration for Subnet-2:
* To monitor the flow logs for Subnet-2, you need to configure VPC Flow Logs within the service project VPC where Subnet-2 resides. This is because VPC Flow Logs must be configured in the same project and VPC where the subnet is located.
* Implementation Steps:
* Go to the Google Cloud Console.
* Navigate to the service project where Subnet-2 is located.
* Select the VPC network containing Subnet-2.
* Enable VPC Flow Logs for Subnet-2 by editing the subnet settings and enabling the flow logs option.
* Cost and Performance Considerations:
* Enabling VPC Flow Logs may incur additional costs based on the volume of data logged. Ensure to review and understand the pricing implications.
* Analyze and manage the data collected to avoid unnecessary logging and costs.
:
Google Cloud VPC Flow Logs Documentation
Configuring VPC Flow Logs
Shared VPC Overview
By configuring VPC Flow Logs in the service project VPC for Subnet-2, you ensure that traffic data is correctly captured and monitored, adhering to Google Cloud's best practices.
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Question 58

You need to create the technical architecture for hybrid connectivity from your data center to Google Cloud This will be managed by a partner. You want to follow Google-recommended practices for production-level applications. What should you do?

Correct Answer: D
"Google's recommended practices for production-level applications" and then see overview of these 2 pages-
https://cloud.google.com/network-connectivity/docs/interconnect/tutorials/production-level-overview and
https://cloud.google.com/network-connectivity/docs/interconnect/tutorials/non-critical-overview .
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Question 59

You have enabled HTTP(S) load balancing for your application, and your application developers have reported that HTTP(S) requests are not being distributed correctly to your Compute Engine Virtual Machine instances. You want to find data about how the request are being distributed.
Which two methods can accomplish this? (Choose two.)

Correct Answer: A,D
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Question 60

Your company acquired a new division. The new division's network team requires complete control over their networking infrastructure. You need to extend your existing Google Cloud network infrastructure, that consists of a single VPC, to allow workloads from all divisions to communicate with each other. You want to avoid incurring extra costs and granting unnecessary permissions to the new division's networking team.
What should you do?

Correct Answer: A
The requirement for the new division's network team to have "complete control over their networking infrastructure" while allowing communication between divisions and avoiding unnecessary permissions points directly to VPC Network Peering. This approach allows each division to manage its own VPC independently (in its own project), provides full control to the new division's network team within their project, and enables secure, private communication between the VPCs without traversing the public internet.
Granting roles/compute.networkAdmin on their newly created project ensures they have the necessary control over their dedicated VPC. Using Shared VPC (option D) would centralize network administration under your existing project, which goes against the requirement of the new division having "complete control." VPN (option C) would incur additional costs and introduce more complexity than VPC peering for intra-Google Cloud connectivity. Option B is flawed because creating a subnet in the new VPC isn't directly relevant to granting permissions on the new project for VPC peering setup, and networkuser role on the new project alone wouldn't give complete network control.
Exact Extract:
"VPC Network Peering allows you to connect two VPC networks so that resources in each network can communicate with each other using internal IP addresses. Traffic stays within Google's network."
"Each side of a VPC Network Peering connection is configured independently. This means that each network administrator retains full control over their own network, including routes, firewalls, and network services."
"VPC Network Peering is ideal for scenarios where different organizations or divisions want to maintain separate network administrative domains while still allowing their resources to communicate privately." Reference: Google Cloud VPC Network Peering Documentation - Overview, Use cases
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