[Jun-2026] Professional-Cloud-Network-Engineer PDF Dumps Are Helpful To produce Your Dreams Correct QA's
New Professional-Cloud-Network-Engineer exam Free Sample Questions to Practice
Google Professional-Cloud-Network-Engineer certification exam is designed to test the knowledge and expertise of network engineers who work with Google Cloud technologies. Google Cloud Certified - Professional Cloud Network Engineer certification is aimed at professionals who have a deep understanding of network design, implementation, and management on Google Cloud Platform. Google Cloud Certified - Professional Cloud Network Engineer certification exam covers a wide range of topics, including network design and implementation, network security, and network optimization. Professional-Cloud-Network-Engineer exam is intended to validate the skills and knowledge required to design, implement, and manage networks on Google Cloud Platform.
NEW QUESTION # 25
You have configured a Compute Engine virtual machine instance as a NAT gateway. You execute the following command:
gcloud compute routes create no-ip-internet-route \
--network custom-network1 \
--destination-range 0.0.0.0/0 \
--next-hop instance nat-gateway \
--next-hop instance-zone us-central1-a \
--tags no-ip --priority 800
You want existing instances to use the new NAT gateway. Which command should you execute?
- A. sudo sysctl -w net.ipv4.ip_forward=1
- B. gcloud builds submit --config=cloudbuild.waml --substitutions=TAG_NAME=no-ip
- C. gcloud compute instances create example-instance --network custom-network1 \
- D. gcloud compute instances add-tags [existing-instance] --tags no-ip
Answer: D
Explanation:
--subnet subnet-us-central \
--no-address \
--zone us-central1-a \
--image-family debian-9 \
--image-project debian-cloud \
--tags no-ip
Explanation:
https://cloud.google.com/sdk/gcloud/reference/compute/routes/create
In order to apply a route to an existing instance we should use a tag to bind the route to it.
NEW QUESTION # 26
In your project my-project, you have two subnets in a Virtual Private Cloud (VPC): subnet-a with IP range
10.128.0.0/20 and subnet-b with IP range 172.16.0.0/24. You need to deploy database servers in subnet-a.
You will also deploy the application servers and web servers in subnet-b. You want to configure firewall rules that only allow database traffic from the application servers to the database servers. What should you do?
- A. Create service accounts [email protected] and [email protected].
gserviceaccount.com. Associate the service account sa-app with the application servers, and associate the service account sa-db with the database servers. Run the following command:
gcloud compute firewall-rules create app-db-firewall-ru
--allow TCP:3306 \
--source-ranges 10.128.0.0/20 \
--source-service-accounts sa-app@my-
project.iam.gserviceaccount.com \
--target-service-accounts sa-db@my-
project.iam.gserviceaccount.com - B. Create network tag app-server and service account [email protected]. Add the tag to the application servers, and associate the service account with the database servers. Run the following command:
gcloud compute firewall-rules create app-db-firewall-rule \
--action allow \
--direction ingress \
--rules top:3306 \
--source-tags app-server \
--target-service-accounts sa-db@my-
project.iam.gserviceaccount.com - C. Create network tags app-server and db-server. Add the app-server tag to the application servers, and add the db-server tag to the database servers. Run the following command:
gcloud compute firewall-rules create app-db-firewall-rule \
--action allow \
--direction ingress \
--rules tcp:3306 \
--source-ranges 10.128.0.0/20 \
--source-tags app-server \
--target-tags db-server - D. Create service accounts [email protected] and [email protected].
gserviceaccount.com. Associate service account sa-app with the application servers, and associate the service account sa-db with the database servers. Run the following command:
gcloud compute firewall-rules create app-db-firewall-ru
--allow TCP:3306 \
--source-service-accounts sa-app@democloud-idp-
demo.iam.gserviceaccount.com \
--target-service-accounts sa-db@my-
project.iam.gserviceaccount.com
Answer: C
NEW QUESTION # 27
You need to give each member of your network operations team least-privilege access to create, modify, and delete Cloud Interconnect VLAN attachments.
What should you do?
- A. Assign each user the editor role.
- B. Give each user the following permissions only: compute.interconnectAttachments.create, compute.interconnectAttachments.get.
- C. Give each user the following permissions only: compute.interconnectAttachments.create, compute.interconnectAttachments.get, compute.routers.create, compute.routers.get, compute.routers.update.
- D. Assign each user the compute.networkAdmin role.
Answer: C
Explanation:
https://cloud.google.com/interconnect/docs/how-to/dedicated/creating-vlan-attachments
NEW QUESTION # 28
Your organization has a new security policy that requires you to monitor all egress traffic payloads from your virtual machines in region us-west2. You deployed an intrusion detection system (IDS) virtual appliance in the same region to meet the new policy. You now need to integrate the IDS into the environment to monitor all egress traffic payloads from us-west2. What should you do?
- A. Enable firewall logging, and forward all filtered egress firewall logs to the IDS.
- B. Create an internal HTTP(S) load balancer for Packet Mirroring, and add a packet mirroring policy filter for egress traffic.
- C. Create an internal TCP/UDP load balancer for Packet Mirroring, and add a packet mirroring policy filter for egress traffic.
- D. Enable VPC Flow Logs. Create a sink in Cloud Logging to send filtered egress VPC Flow Logs to the IDS.
Answer: D
NEW QUESTION # 29
Question:
Your organization is developing a landing zone architecture with the following requirements:
* No communication between production and non-production environments.
* Communication between applications within an environment may be necessary.
* Network administrators should centrally manage all network resources, including subnets, routes, and firewall rules.
* Each application should be billed separately.
* Developers of an application within a project should have the autonomy to create their compute resources.
* Up to 1000 applications are expected per environment.
What should you do?
- A. Create a design that has one host project with a Shared VPC for the production environment, another host project with a Shared VPC for the non-production environment, and a service project that is associated with the corresponding host project for each initiative.
- B. Create a design that implements a single Shared VPC. Use VPC firewall rules with secure tags to enforce micro-segmentation between environments.
- C. Create a design that has a Shared VPC for each project. Implement hierarchical firewall policies to apply micro-segmentation between VPCs.
- D. Create a design where each project has its own VPC. Ensure all VPCs are connected by a Network Connectivity Center hub that is centrally managed by the network team.
Answer: A
Explanation:
Using separate Shared VPCs for production and non-production environments in different host projects (Option D) meets all requirements. This design allows network administrators to centrally manage resources within each Shared VPC while ensuring isolation between environments and separate billing. By associating service projects with each host project, developers can manage resources within their project without affecting the overall VPC network structure.
Reference: Google Cloud - Best Practices for Shared VPC
NEW QUESTION # 30
You want Cloud CDN to serve the https://www.example.com/images/spacetime.png static image file that is hosted in a private Cloud Storage bucket, You are using the VSE ORIG.-X_NZADERS cache mode You receive an HTTP 403 error when opening the file In your browser and you see that the HTTP response has a Cache-control: private, max-age=O header How should you correct this Issue?
- A. Enable negative caching for the backend bucket
- B. Increase the default time-to-live (TTL) for the backend service.
- C. Configure a Cloud Storage bucket permission that gives the Storage Legacy Object Reader role
- D. Change the cache mode to cache all content.
Answer: C
Explanation:
The correct answer is A. Configure a Cloud Storage bucket permission that gives the Storage Legacy Object Reader role.
This answer is based on the following facts:
Cloud CDN can serve private content from Cloud Storage buckets, but you need to grant the appropriate permissions to the Google-managed service account that represents your load balancer1.
The Storage Legacy Object Reader role grants read access to objects in a bucket2.
The Cache-control: private header indicates that the object is not publicly readable and requires authentication3.
The USE_ORIGIN_HEADERS cache mode instructs Cloud CDN to cache responses based on the Cache-Control and Expires headers from the origin server4. Changing the cache mode, increasing the TTL, or enabling negative caching will not affect the 403 error.
NEW QUESTION # 31
You need to create the network infrastructure to deploy a highly available web application in the us-east1 and us-west1 regions.
The application runs on Compute Engine instances, and it does not require the use of a database. You want to follow Google-recommended practices. What should you do?
- A. Create one VPC with one subnet in each region.
Create a global load balancer with a static IP address.
Enable Cloud CDN and Google Cloud Armor on the load balancer.
Create an A record using the IP address of the load balancer in Cloud DNS. - B. Create one VPC in each region, and peer both VPCs.
Create a global load balancer.
Enable Cloud CDN on the load balancer.
Create a CNAME for the load balancer in Cloud DNS. - C. Create one VPC with one subnet in each region.
Create an HTTP(S) load balancer with a static IP address.
Choose the standard tier for the network.
Enable Cloud CDN on the load balancer.
Create a CNAME record using the load balancer's IP address in Cloud DNS. - D. Create one VPC with one subnet in each region.
Create a regional network load balancer in each region with a static IP address.
Enable Cloud CDN on the load balancers.
Create an A record in Cloud DNS with both IP addresses for the load balancers.
Answer: B
NEW QUESTION # 32
Your company is planning a migration to Google Kubernetes Engine. Your application team informed you that they require a minimum of 60 Pods per node and a maximum of 100 Pods per node Which Pod per node CIDR range should you use?
- A. /25
- B. /24
- C. /28
- D. /26
Answer: A
Explanation:
The correct answer is B. /25.
This answer is based on the following facts:
The Pod per node CIDR range determines the size of the IP address range that is assigned to each node for Pods1. The Pods that run on a node are allocated IP addresses from the node's assigned CIDR range1.
The size of the CIDR range corresponds to the maximum number of Pods per node. For example, a /24 CIDR range allows up to 256 IP addresses, but the default maximum number of Pods per node for Standard clusters is 1102. A /25 CIDR range allows up to 128 IP addresses, which is enough for 100 Pods per node.
The other options are not correct because:
Option A is too large. A /24 CIDR range allows more IP addresses than needed for 100 Pods per node. This could result in inefficient use of the IP address space and limit the number of nodes that can be created in the cluster.
Option C is too small. A /26 CIDR range allows only 64 IP addresses, which is not enough for 60 Pods per node. This could result in insufficient capacity to schedule Pods on the nodes.
Option D is also too small. A /28 CIDR range allows only 16 IP addresses, which is far below the minimum requirement of 60 Pods per node. This could result in Pod scheduling failures and poor performance.
NEW QUESTION # 33
(You are managing an application deployed on Cloud Run. The development team has released a new version of the application. You want to deploy and redirect traffic to this new version of the application. To ensure traffic to the new version of the application is served with no startup time, you want to ensure that there are two idle instances available for incoming traffic before adjusting the traffic flow. You also want to minimize administrative overhead. What should you do?)
- A. Ensure the checkbox "Serve this revision immediately" is unchecked when deploying the new revision.
Before changing the traffic rules, use a traffic simulation tool to send load to the new revision. - B. Configure service autoscaling and set the minimum number of instances to 2.
- C. Configure revision autoscaling for the existing revision and set the minimum number of instances to 2.
- D. Configure revision autoscaling for the new revision and set the minimum number of instances to 2.
Answer: D
Explanation:
Comprehensive and Detailed In Depth Explanation:
Let's analyze each option to find the one that meets the requirements of no startup time for new traffic, two idle instances, and minimal administrative overhead:
A). Unchecking "Serve this revision immediately" and using a traffic simulation tool: Unchecking "Serve this revision immediately" does prevent the new revision from receiving traffic immediately. However, manually using a traffic simulation tool adds administrative overhead. It also doesn't guarantee that two idle instances will be ready before traffic is shifted; you would need to monitor and adjust traffic manually based on the simulation.
B). Configuring service autoscaling and setting the minimum number of instances to 2: Service-level autoscaling applies to all revisions of the service. Setting the minimum instances at the service level would ensure at least two instances are running across all active revisions, not specifically for the new revision before traffic shift.
C). Configuring revision autoscaling for the new revision and setting the minimum number of instances to 2:
This is the correct approach. By configuring revision autoscaling specifically for the new revision and setting the minimum number of instances to 2, Cloud Run will ensure that at least two instances of the new version are running and ready to serve traffic before you redirect any traffic to it. This eliminates startup latency when you do shift traffic. It also minimizes administrative overhead as Cloud Run manages the instance scaling based on this configuration.
D). Configuring revision autoscaling for the existing revision and setting the minimum number of instances to
2: This would ensure the existing version has at least two idle instances, which doesn't directly address the requirement of having idle instances ready for the new version before traffic redirection.
Google Cloud Documentation References:
Cloud Run Autoscaling: https://cloud.google.com/run/docs/configuring/min-instances - This document explains how to configure minimum and maximum instances for Cloud Run services and revisions. It clarifies that you can set minimum instances at the revision level to ensure instances are always ready.
Cloud Run Traffic Management: https://cloud.google.com/run/docs/managing/traffic - This describes how to deploy new revisions and gradually shift traffic between them. Combining minimum instances on the new revision with traffic splitting allows for zero-downtime deployments with pre-warmed instances.
NEW QUESTION # 34
You have an application that is running in a managed instance group. Your development team has released an updated instance template which contains a new feature which was not heavily tested. You want to minimize impact to users if there is a bug in the new template.
How should you update your instances?
- A. Deploy a new instance group and canary the updated template in that group. Verify the new feature in the new canary instance group, and then update the original instance group.
- B. Perform a canary update by starting a rolling update and specifying a target size for your instances to receive the new template. Verify the new feature on the canary instances, and then roll forward to the rest of the instances.
- C. Using the new instance template, perform a rolling update across all instances in the instance group. Verify the new feature once the rollout completes.
- D. Manually patch some of the instances, and then perform a rolling restart on the instance group.
Answer: B
Explanation:
https://cloud.google.com/compute/docs/instance-groups/rolling-out-updates-to-managed-instance-groups#starting_a_canary_update
https://cloud.google.com/compute/docs/instance-groups/rolling-out-updates-to-managed-instance-groups
NEW QUESTION # 35
You are designing a shared VPC architecture. Your network and security team has strict controls over which routes are exposed between departments. Your Production and Staging departments can communicate with each other, but only via specific networks. You want to follow Google- recommended practices.
How should you design this topology?
- A. Create 2 shared VPCs within the shared VPC Service Project, and create a Cloud VPN/Cloud Router between them.
Use Flexible Route Advertisement (FRA) to filter access between the specific networks. - B. Create 1 VPC within the shared VPC Host Project, and share individual subnets with the Service Projects to filter access between the specific networks.
- C. Create 2 shared VPCs within the shared VPC Host Project, and enable VPC peering between them.
Use firewall rules to filter access between the specific networks. - D. Create 2 shared VPCs within the shared VPC Host Project, and create a Cloud VPN/Cloud Router between them.
Use Flexible Route Advertisement (FRA) to filter access between the specific networks.
Answer: B
Explanation:
https://cloud.google.com/vpc/docs/shared-vpc
NEW QUESTION # 36
You have an application running on Compute Engine that uses BigQuery to generate some results that are stored in Cloud Storage. You want to ensure that none of the application instances have external IP addresses.
Which two methods can you use to accomplish this? (Choose two.)
- A. Enable Private Google Access on all the subnets.
- B. Create network peering between your VPC and BigQuery.
- C. Enable Private Google Access on the VPC.
- D. Enable Private Services Access on the VPC.
- E. Create a Cloud NAT, and route the application traffic via NAT gateway.
Answer: C,E
NEW QUESTION # 37
In your company, two departments with separate GCP projects (code-dev and data-dev) in the same organization need to allow full cross-communication between all of their virtual machines in GCP. Each department has one VPC in its project and wants full control over their network. Neither department intends to recreate its existing computing resources. You want to implement a solution that minimizes cost.
Which two steps should you take? (Choose two.)
- A. Enable firewall rules to allow all ingress traffic from all subnets of project code-dev to all instances in project data-dev, and vice versa.
- B. Connect the VPCs in project code-dev and data-dev using VPC Network Peering.
- C. Connect both projects using Cloud VPN.
- D. Create a route in the code-dev project to the destination prefixes in project data-dev and use nexthop as the default gateway, and vice versa.
- E. Enable Shared VPC in one project (e. g., code-dev), and make the second project (e. g., data-dev) a service project.
Answer: A,B
NEW QUESTION # 38
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?
- A. Create the Distribution VPC in auto mode. Peer both the VPCs via network peering.
- B. 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.
- C. 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.
- D. Rename the default VPC as "Distribution" and peer it via network peering.
Answer: C
Explanation:
Explanation/Reference: https://cloud.google.com/vpc/docs/using-vpc
NEW QUESTION # 39
Your company has a security team that manages firewalls and SSL certificates. It also has a networking team that manages the networking resources. The networking team needs to be able to read firewall rules, but should not be able to create, modify, or delete them.
How should you set up permissions for the networking team?
- A. Assign members of the networking team the compute.networkUser role.
- B. Assign members of the networking team the compute.networkViewer role, and add the compute.networks.use permission.
- C. Assign members of the networking team the compute.networkAdmin role.
- D. Assign members of the networking team a custom role with only the compute.networks.* and the compute.firewalls.list permissions.
Answer: C
Explanation:
https://cloud.google.com/compute/docs/access/iam
NEW QUESTION # 40
You have an application hosted on a Compute Engine virtual machine instance that cannot communicate with a resource outside of its subnet. When you review the flow and firewall logs, you do not see any denied traffic listed.
During troubleshooting you find:
* Flow logs are enabled for the VPC subnet, and all firewall rules are set to log.
* The subnetwork logs are not excluded from Stackdriver.
* The instance that is hosting the application can communicate outside the subnet.
* Other instances within the subnet can communicate outside the subnet.
* The external resource initiates communication.
What is the most likely cause of the missing log lines?
- A. The traffic is not matching the expected ingress rule.
- B. The traffic is matching the expected ingress rule.
- C. The traffic is matching the expected egress rule.
- D. The traffic is not matching the expected egress rule.
Answer: A
NEW QUESTION # 41
You decide to set up Cloud NAT. After completing the configuration, you find that one of your instances is not using the Cloud NAT for outbound NAT.
What is the most likely cause of this problem?
- A. An external IP address has been configured on the instance.
- B. You have created static routes that use RFC1918 ranges.
- C. The instance is accessible by a load balancer external IP address.
- D. The instance has been configured with multiple interfaces.
Answer: A
NEW QUESTION # 42
You have the following firewall ruleset applied to all instances in your Virtual Private Cloud (VPC):
You need to update the firewall rule to add the following rule to the ruleset:
You are using a new user account. You must assign the appropriate identity and Access Management (IAM) user roles to this new user account before updating the firewall rule. The new user account must be able to apply the update and view firewall logs. What should you do?
- A. Assign the compute.securityAdmin and logging.bucketWriter role to the new user account. Apply the new firewall rule with a priority of 150.
- B. Assign the compute.securityAdmin and logging.viewer rule to the new user account. Apply the new firewall rule with a priority of 50.
- C. Assign the compute.orgSecurityPolicyAdmin and logging.bucketWriter role to the new user account.Apply the new firewall rule with a priority of 150.
- D. Assign the compute.orgSecurityPolicyAdmin and logging.viewer role to the new user account. Apply the new firewall rule with a priority of 50.
Answer: B
NEW QUESTION # 43
After a network change window one of your company's applications stops working. The application uses an on-premises database server that no longer receives any traffic from the application. The database server IP address is 10.2.1.25. You examine the change request, and the only change is that 3 additional VPC subnets were created. The new VPC subnets created are 10.1.0.0/16, 10.2.0.0/16, and 10.3.1.0/24/ The on-premises router is advertising 10.0.0.0/8.
What is the most likely cause of this problem?
- A. The on-premises router is not advertising a route for the database server.
- B. The less specific VPC subnet route is taking priority.
- C. The more specific VPC subnet route is taking priority.
- D. A cloud firewall rule that blocks traffic to the on-premises database server was created during the change.
Answer: D
NEW QUESTION # 44
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The Google Cloud Certified - Professional Cloud Network Engineer certification exam is ideal for network engineers, cloud architects, and IT professionals who want to validate their networking expertise on the Google Cloud platform. Professional-Cloud-Network-Engineer exam is designed to test both theoretical knowledge and practical skills, ensuring that certified professionals are equipped to handle complex networking scenarios in a cloud environment. By earning the Google Professional-Cloud-Network-Engineer certification, IT professionals can showcase their expertise to potential employers and advance their careers in the cloud computing industry.
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