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Google Professional Cloud Network Engineer Practice Test - Questions Answers

Question list

List of questions

Question 1

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You need to restrict access to your Google Cloud load-balanced application so that only specific IP addresses can connect. What should you do?

Question 2

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Your end users are located in close proximity to us-east1 and europe-west1. Their workloads need to communicate with each other. You want to minimize cost and increase network efficiency. How shoul

Question 3

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Your organization is deploying a single project for 3 separate departments. Two of these departments require network connectivity between each other, but the third department should remain in isolat

Question 4

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You are migrating to Cloud DNS and want to import your BIND zone file. Which command should you use?

Question 5

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You created a VPC network named Retail in auto mode. You want to create a VPC network named Distribution and peer it with the Retail VPC. How should you configure the Distribution VPC?

Question 6

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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

Question 7

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All the instances in your project are configured with the custom metadata enable-oslogin value set to FALSE and to block project-wide SSH keys. None of the instances are set with any SSH key, and no

Question 8

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You work for a university that is migrating to GCP. These are the cloud requirements: • On-premises connectivity with 10 Gbps • Lowest latency access to the cloud • Centralized Networking Admini

Question 9

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You have deployed a new internal application that provides HTTP and TFTP services to on-premiseshosts. You want to be able to distribute traffic across multiple Compute Engine instances, but need to

Question 10

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You created a new VPC network named Dev with a single subnet. You added a firewall rule for the network Dev to allow HTTP traffic only and enabled logging. When you try to log in to an instance in t

Related questions

Your company is working with a partner to provide a solution for a customer. Both your company and the partner organization are using GCP. There are applications in the partner's network that need access to some resources in your company's VPC. There is no CIDR overlap between the VPCs. Which two solutions can you implement to achieve the desired results without compromising the security? (Choose two.)

Your company is running out of network capacity to run a critical application in the on-premises data center. You want to migrate the application to GCP. You also want to ensure that the Security team does not lose their ability to monitor traffic to and from Compute Engine instances. Which two products should you incorporate into the solution? (Choose two.)

You are responsible for designing a new connectivity solution for your organization's enterprise network to access and use Google Workspace. You have an existing Shared VPC with Compute Engine instances in us-west1. Currently, you access Google Workspace via your service provider's internet access. You want to set up a direct connection between your network and Google. What should you do?

You recently deployed two network virtual appliances in us-central1. Your network appliances provide connectivity to your on-premises network, 10.0.0.0/8. You need to configure the routing for your Virtual Private Cloud (VPC). Your design must meet the following requirements: All access to your on-premises network must go through the network virtual appliances. Allow on-premises access in the event of a single network virtual appliance failure. Both network virtual appliances must be used simultaneously. Which method should you use to accomplish this?

You need to create a GKE cluster in an existing VPC that is accessible from on-premises. You must meet the following requirements: IP ranges for pods and services must be as small as possible. The nodes and the master must not be reachable from the internet. You must be able to use kubectl commands from on-premises subnets to manage the cluster. How should you create the GKE cluster?

You have configured Cloud CDN using HTTP(S) load balancing as the origin for cacheable content. Compression is configured on the web servers, but responses served by Cloud CDN are not compressed. What is the most likely cause of the problem?

You have a storage bucket that contains the following objects: - folder-a/image-a-1.jpg - folder-a/image-a-2.jpg - folder-b/image-b-1.jpg - folder-b/image-b-2.jpg Cloud CDN is enabled on the storage bucket, and all four objects have been successfully cached. You want to remove the cached copies of all the objects with the prefix folder-a, using the minimum number of commands. What should you do?

Your organization has approximately 100 teams that need to manage their own environments. A central team must manage the network. You need to design a landing zone that provides separate projects for each team and ensure the solution can scale. What should you do?

Your organization's security team recently discovered that there is a high risk of malicious activities originating from some of your VMs connected to the internet. These malicious activities are currently undetected when TLS communication is used. You must ensure that encrypted traffic to the internet is inspected. What should you do?

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?

Question 1

You need to restrict access to your Google Cloud load-balanced application so that only specific IP addresses can connect.

What should you do?

Create a secure perimeter using the Access Context Manager feature of VPC Service Controls and restrict access to the source IP range of the allowed clients and Google health check IP ranges.

Create a secure perimeter using VPC Service Controls, and mark the load balancer as a service restricted to the source IP range of the allowed clients and Google health check IP ranges.

Tag the backend instances "application," and create a firewall rule with target tag "application" and the source IP range of the allowed clients and Google health check IP ranges.

Label the backend instances "application," and create a firewall rule with the target label "application" and the source IP range of the allowed clients and Google health check IP ranges.

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Question 2

Your end users are located in close proximity to us-east1 and europe-west1. Their workloads need to communicate with each other. You want to minimize cost and increase network efficiency.

How should you design this topology?

Create 2 VPCs, each with their own regions and individual subnets. Create 2 VPN gateways to establish connectivity between these regions.

Create 2 VPCs, each with their own region and individual subnets. Use external IP addresses on the instances to establish connectivity between these regions.

Create 1 VPC with 2 regional subnets. Create a global load balancer to establish connectivity between the regions.

Create 1 VPC with 2 regional subnets. Deploy workloads in these subnets and have them communicate using private RFC1918 IP addresses.

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Your organization is deploying a single project for 3 separate departments. Two of these departments require network connectivity between each other, but the third department should remain in isolation. Your design should create separate network administrative domains between these departments. You want to minimize operational overhead.

How should you design the topology?

Create a Shared VPC Host Project and the respective Service Projects for each of the 3 separate departments.

Create 3 separate VPCs, and use Cloud VPN to establish connectivity between the two appropriate VPCs.

Create 3 separate VPCs, and use VPC peering to establish connectivity between the two appropriate VPCs.

Create a single project, and deploy specific firewall rules. Use network tags to isolate access between the departments.

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Question 4

You are migrating to Cloud DNS and want to import your BIND zone file.

Which command should you use?

gcloud dns record-sets import ZONE_FILE --zone MANAGED_ZONE

gcloud dns record-sets import ZONE_FILE --replace-origin-ns --zone MANAGED_ZONE

gcloud dns record-sets import ZONE_FILE --zone-file-format --zone MANAGED_ZONE

gcloud dns record-sets import ZONE_FILE --delete-all-existing --zone MANAGED ZONE

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Question 5

You created a VPC network named Retail in auto mode. You want to create a VPC network named Distribution and peer it with the Retail VPC.

How should you configure the Distribution VPC?

Create the Distribution VPC in auto mode. Peer both the VPCs via network peering.

Create the Distribution VPC in custom mode. Use the CIDR range 10.0.0.0/9. Create the necessary subnets, and then peer them via network peering.

Create the Distribution VPC in custom mode. Use the CIDR range 10.128.0.0/9. Create the necessary subnets, and then peer them via network peering.

Rename the default VPC as "Distribution" and peer it via network peering.

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Question 6

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.)

Turn on Private Google Access at the subnet level.

Turn on Private Google Access at the VPC level.

Turn on Private Services Access at the VPC level.

Create a set of custom static routes to send traffic to the external IP addresses of Google APIs and services via the default internet gateway.

Create a set of custom static routes to send traffic to the internal IP addresses of Google APIs and services via the default internet gateway.

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Question 7

All the instances in your project are configured with the custom metadata enable-oslogin value set to FALSE and to block project-wide SSH keys. None of the instances are set with any SSH key, and no project-wide SSH keys have been configured. Firewall rules are set up to allow SSH sessions from any IP address range. You want to SSH into one instance.

What should you do?

Open the Cloud Shell SSH into the instance using gcloud compute ssh.

Set the custom metadata enable-oslogin to TRUE, and SSH into the instance using a third-party tool like putty or ssh.

Generate a new SSH key pair. Verify the format of the private key and add it to the instance. SSH into the instance using a third-party tool like putty or ssh.

Generate a new SSH key pair. Verify the format of the public key and add it to the project. SSH into the instance using a third-party tool like putty or ssh.

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Question 8

You work for a university that is migrating to GCP.

These are the cloud requirements:

• On-premises connectivity with 10 Gbps

• Lowest latency access to the cloud

• Centralized Networking Administration Team New departments are asking for on-premises connectivity to their projects. You want to deploy the most cost-efficient interconnect solution for connecting the campus to Google Cloud.

What should you do?

Use Shared VPC, and deploy the VLAN attachments and Interconnect in the host project.

Use Shared VPC, and deploy the VLAN attachments in the service projects. Connect the VLAN attachment to the Shared VPC's host project.

Use standalone projects, and deploy the VLAN attachments in the individual projects. Connect the VLAN attachment to the standalone projects' Interconnects.

Use standalone projects and deploy the VLAN attachments and Interconnects in each of the individual projects.

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Question 9

You have deployed a new internal application that provides HTTP and TFTP services to on-premiseshosts. You want to be able to distribute traffic across multiple Compute Engine instances, but need toensure that clients are sticky to a particular instance across both services.

Which session affinity should you choose?

None

Client IP

Client IP and protocol

Client IP, port and protocol

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Question 10

You created a new VPC network named Dev with a single subnet. You added a firewall rule for the network Dev to allow HTTP traffic only and enabled logging. When you try to log in to an instance in the subnet via Remote Desktop Protocol, the login fails. You look for the Firewall rules logs in Stackdriver Logging, but you do not see any entries for blocked traffic. You want to see the logs for blocked traffic.

What should you do?

Check the VPC flow logs for the instance.

Try connecting to the instance via SSH, and check the logs.

Create a new firewall rule to allow traffic from port 22, and enable logs.

Create a new firewall rule with priority 65500 to deny all traffic, and enable logs.

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