Free Access Google.Professional-Cloud-Network-Engineer.v2026-06-03.q145 Practice Test (Page 16)

Question 71

You have deployed an HTTP(s) load balancer, but health checks to port 80 on the Compute Engine virtual machine instance are failing, and no traffic is sent to your instances. You want to resolve the problem. Which commands should you run?

A.gcloud compute health-checks update http health-check --unhealthy-threshold 10

B.gcloud compute firewall-rules create allow-lb --network load-balancer --allow tcp --source-ranges 130.211.0.0/22,35.191.0.0/16 --direction INGRESS

C.gcloud compute firewall-rules create allow-lb --network load-balancer --allow tcp --destination-ranges 130.211.0.0/22,35.191.0.0/16 --direction EGRESS

D.gcloud compute instances add-access-config instance-1

Question 72

Your on-premises data center has 2 routers connected to your GCP through a VPN on each router. All applications are working correctly; however, all of the traffic is passing across a single VPN instead of being load-balanced across the 2 connections as desired.
During troubleshooting you find:
* Each on-premises router is configured with the same ASN.
* Each on-premises router is configured with the same routes and priorities.
* Both on-premises routers are configured with a VPN connected to a single Cloud Router.
* The VPN logs have no-proposal-chosen lines when the VPNs are connecting.
* BGP session is not established between one on-premises router and the Cloud Router.
What is the most likely cause of this problem?

A.BGP sessions are not established between both on-premises routers and the Cloud Router.

B.One of the VPN sessions is configured incorrectly.

C.A firewall is blocking the traffic across the second VPN connection.

D.You do not have a load balancer to load-balance the network traffic.

Question 73

You work for a multinational enterprise that is moving to GCP.
These are the cloud requirements:
* An on-premises data center located in the United States in Oregon and New York with Dedicated Interconnects connected to Cloud regions us-west1 (primary HQ) and us-east4 (backup)
* Multiple regional offices in Europe and APAC
* Regional data processing is required in europe-west1 and australia-southeast1
* Centralized Network Administration Team
Your security and compliance team requires a virtual inline security appliance to perform L7 inspection for URL filtering. You want to deploy the appliance in us-west1.
What should you do?

A.* Create 1 VPC in a Shared VPC Host Project.
* Configure a 2-NIC instance in zone us-west1-a in the Host Project.
* Attach NIC0 in us-west1 subnet of the Host Project.
* Attach NIC1 in us-west1 subnet of the Host Project
* Deploy the instance.
* Configure the necessary routes and firewall rules to pass traffic through the instance.

B.* Create 2 VPCs in a Shared VPC Host Project.
* Configure a 2-NIC instance in zone us-west1-a in the Service Project.
* Attach NIC0 in VPC #1 us-west1 subnet of the Host Project.
* Attach NIC1 in VPC #2 us-west1 subnet of the Host Project.
* Deploy the instance.
* Configure the necessary routes and firewall rules to pass traffic through the instance.

C.* Create 2 VPCs in a Shared VPC Host Project.
* Configure a 2-NIC instance in zone us-west1-a in the Host Project.
* Attach NIC0 in VPC #1 us-west1 subnet of the Host Project.
* Attach NIC1 in VPC #2 us-west1 subnet of the Host Project.
* Deploy the instance.
* Configure the necessary routes and firewall rules to pass traffic through the instance.

D.* Create 1 VPC in a Shared VPC Service Project.
* Configure a 2-NIC instance in zone us-west1-a in the Service Project.
* Attach NIC0 in us-west1 subnet of the Service Project.
* Attach NIC1 in us-west1 subnet of the Service Project
* Deploy the instance.
* Configure the necessary routes and firewall rules to pass traffic through the instance.

Question 74

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?

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

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

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

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

Question 75

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?

A.Disable Cloud CDN on the storage bucket. Wait 90 seconds. Re-enable Cloud CDN on the storage bucket.

B.Make sure that all the objects with prefix folder-a are not shared publicly.

C.Issue a cache invalidation command with pattern /folder-a/*.

D.Add an appropriate lifecycle rule on the storage bucket.

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Question 71

Question 72

Question 73

Question 74

Question 75

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