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Free Google Professional-Cloud-Network-Engineer Exam Actual Questions

The questions for Professional-Cloud-Network-Engineer were last updated On Apr 21, 2025

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Question No. 1

Your company's current network architecture has three VPC Service Controls perimeters:

One perimeter (PERIMETER_PROD) to protect production storage buckets

One perimeter (PERIMETER_NONPROD) to protect non-production storage buckets

One perimeter (PERIMETER_VPC) that contains a single VPC (VPC_ONE)

In this single VPC (VPC_ONE), the IP_RANGE_PROD is dedicated to the subnets of the production workloads, and the IP_RANGE_NONPROD is dedicated to subnets of non-production workloads. Workloads cannot be created outside those two ranges. You need to ensure that production workloads can access only production storage buckets and non-production workloads can access only non-production storage buckets with minimal setup effort. What should you do?

ADevelop a design that uses the IP_RANGE_PROD and IP_RANGE_NONPROD perimeters to create two access levels, with each access level referencing a single range. Create two ingress access policies with each access policy referencing one of the two access levels. Update the PERIMETER_PROD and PERIMETER_NONPROD perimeters.

BDevelop a design that removes the PERIMETER_VPC perimeter. Update the PERIMETER_NONPROD perimeter to include the project containing VPC_ONE. Remove the PERIMETER_PROD perimeter.

CDevelop a design that creates a new VPC (VPC_NONPROD) in the same project as VPC_ONE. Migrate all the non-production workloads from VPC_ONE to the PERIMETER_NONPROD perimeter. Remove the PERIMETER_VPC perimeter. Update the PERIMETER_PROD perimeter to include VPC_ONE and the PERIMETER_NONPROD perimeter to include VPC_NONPROD.

DDevelop a design that removes the PERIMETER_VPC perimeter. Update the PERIMETER_PROD perimeter to include the project containing VPC_ONE. Remove the PERIMETER_NONPROD perimeter.

Show Answer

Correct Answer: A

Using IP range-based access levels for VPC Service Controls allows segmentation of production and non-production resources within the same VPC. By creating separate access levels and ingress policies for each IP range, you ensure that only production subnets access production buckets and non-production subnets access non-production buckets, providing the required isolation.

Question No. 2

You have a web application that is currently hosted in the us-central1 region. Users experience high latency when traveling in Asia. You've configured a network load balancer, but users have not experienced a performance improvement. You want to decrease the latency.

What should you do?

AConfigure a policy-based route rule to prioritize the traffic.

BConfigure an HTTP load balancer, and direct the traffic to it.

CConfigure Dynamic Routing for the subnet hosting the application.

DConfigure the TTL for the DNS zone to decrease the time between updates.

Show Answer

Correct Answer: B

Question No. 3

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?

AAsk the partner to install two security appliances in the data center. Configure one VPN connection from each of these devices to Google
Cloud, and ensure that the VPN devices on-premises are in separate racks on separate power and cooling systems.

BConfigure two Partner Interconnect connections in one metropolitan area (metro). Make sure the Interconnect connections are placed in
different metro edge availability domains. Configure two VLAN attachments in a single region, and configure regional dynamic routing on
the VPC

CConfigure two Partner Interconnect connections in one metro and two connections in another metro Make sure the Interconnect
connections are placed in different metro edge availability domains. Configure two VLAN attachments in one region and two VLAN
attachments in another region, and configure global dynamic routing on the VPC

DConfigure two Partner Interconnect connections in one metro and two connections in another metro. Make sure the Interconnect connections are placed in different metro edge availability domains. Configure two VLAN attachments in one region and two VLAN attachments in another region, and configure regional dynamic routing on the VPC.

Show Answer

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 .

Question No. 4

You are the Organization Admin for your company. One of your engineers is responsible for setting up multiple host projects across multiple folders and sharing subnets with service projects. You need to enable the engineer's Identity and Access Management (IAM) configuration to complete their task in the fewest number of steps. What should you do?

ASet up the engineer with Compute Shared VPC Admin IAM role at the folder level.

BSet up the engineer with Compute Shared VPC Admin IAM role at the organization level.

CSet up the engineer with Compute Shared VPC Admin IAM role and Project IAM Admin role at the folder level.

DSet up the engineer with Compute Shared VPC Admin IAM role and Project IAM Admin role at the organization level.

Show Answer

Correct Answer: B

Question No. 5

Your frontend application VMs and your backend database VMs are all deployed in the same VPC but across different subnets. Global network firewall policy rules are configured to allow traffic from the frontend VMs to the backend VMs. Based on a recent compliance requirement, this traffic must now be inspected by network virtual appliances (NVAs) firewalls that are deployed in the same VPC. The NVAs are configured to be full network proxies and will source NAT-allowed traffic. You need to configure VPC routing to allow the NVAs to inspect the traffic between subnets. What should you do?

APlace your NVAs behind an internal passthrough Network Load Balancer named ilb1. Add global network firewall policy rules to allow traffic through your NVAs. Create a custom static route with the destination IP range of the backend VM subnet, frontend instance tag, and the next hop of ilb1. Add a frontend network tag to your frontend VMs.

BCreate your NVA with multiple interfaces. Configure NIC0 for NVA in the backend subnet. Configure NIC1 for NVA in the frontend subnet. Place your NVAs behind an internal passthrough Network Load Balancer named ilb1. Add global network firewall policy rules to allow traffic through your NVAs. Create a custom static route with the destination IP range of the backend VM subnet, frontend instance tag, and the next hop of ilb1. Add a frontend network tag to your frontend VMs.

CPlace your NVAs behind an internal passthrough Network Load Balancer named ilb1. Add the global network firewall policy rules to allow traffic through your NVAs. Create a policy-based route (PBR) with the source IP range of the backend VM subnet, destination IP range of the frontend VM subnet, and the next hop of ilb1. Scope the PBR to the VMs with the backend network tag. Add a backend network tag to your backend servers.

DPlace your NVAs behind an internal passthrough Network Load Balancer named ilb1. Add global network firewall policy rules to allow traffic through your NVAs. Create a policy-based route (PBR) with the source IP range of the frontend VM subnet, destination IP range of the backend VM subnet, and the next hop of ilb1. Scope the PBR to the VMs with the frontend network tag. Add a frontend network tag to your frontend servers.

Show Answer

Correct Answer: D

The correct solution requires creating a policy-based route (PBR) to force the traffic from the frontend subnet to the backend subnet through the NVA. The PBR should be scoped to the frontend VMs, with the next hop being the passthrough load balancer (ilb1) behind which the NVAs reside. This ensures that all traffic is inspected by the NVA before reaching the backend.