Google Cloud Certified - Professional Cloud Network Engineer practice dumps & Professional-Cloud-Network-Engineer exam dumps

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Google Professional-Cloud-Network-Engineer Exam Syllabus Topics:

Section	Objectives
Implement hybrid connectivity	- VPN and peering 1. HA VPN setup 2. VPC peering and Shared VPC - Dedicated and partner interconnect 1. VLAN attachments and configuration 2. High availability design patterns
Manage, monitor, and optimize network operations	- Security and troubleshooting 1. Firewall and security policy troubleshooting 2. Latency and connectivity diagnostics - Network monitoring and logging 1. Cloud Monitoring and Logging usage 2. Network Intelligence Center tools
Design and plan a Google Cloud network	- VPC design and topology planning 1. Regional vs global architecture considerations 2. Subnet design and IP address planning - Hybrid and multi-cloud architecture design 1. Routing strategy design (BGP) 2. Interconnect and VPN planning
Implement virtual networks	- Load balancing and traffic management 1. HTTP(S), TCP/SSL load balancing 2. Cloud DNS configuration - VPC configuration 1. Firewall rules configuration 2. Custom mode VPC setup

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Google Cloud Certified - Professional Cloud Network Engineer Sample Questions (Q219-Q224):

NEW QUESTION # 219
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 less specific VPC subnet route is taking priority.
B. The on-premises router is not advertising a route for the database server.
C. A cloud firewall rule that blocks traffic to the on-premises database server was created during the change.
D. The more specific VPC subnet route is taking priority.

Answer: C

NEW QUESTION # 220
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. Manually patch some of the instances, and then perform a rolling restart on the instance group.
D. Using the new instance template, perform a rolling update across all instances in the instance group. Verify the new feature once the rollout completes.

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 # 221
You have several microservices running in a private subnet in an existing Virtual Private Cloud (VPC). You need to create additional serverless services that use Cloud Run and Cloud Functions to access the microservices. The network traffic volume between your serverless services and private microservices is low. However, each serverless service must be able to communicate with any of your microservices. You want to implement a solution that minimizes cost. What should you do?

A. Deploy your serverless services to the existing VPC. Configure firewall rules to allow traffic between the serverless services and your existing microservices.
B. Create a serverless VPC access connector for each serverless service. Configure the connectors to allow traffic between the serverless services and your existing microservices.
C. Deploy your serverless services to the serverless VPC. Peer the serverless service VPC to the existing VPC. Configure firewall rules to allow traffic between the serverless services and your existing microservices.
D. Create a serverless VPC access connector. Configure the serverless service to use the connector for communication to the microservices.

Answer: D

NEW QUESTION # 222
You are maintaining a Shared VPC in a host project. Several departments within your company have infrastructure in different service projects attached to the Shared VPC and use Identity and Access Management (IAM) permissions to manage the cloud resources in those projects. VPC Network Peering is also set up between the Shared VPC and a common services VPC that is not in a service project. Several users are experiencing failed connectivity between certain instances in different Shared VPC service projects and between certain instances and the internet. You need to validate the network configuration to identify whether a misconfiguration is the root cause of the problem. What should you do?

A. Enable VPC Flow Logs for all VPCs, and review the logs in Cloud Logging for the affected instances.
B. Review the VPC audit logs in Cloud Logging for the affected instances.
C. Run Connectivity Tests from Network Intelligence Center to check connectivity between the affected endpoints in your network and the internet.
D. Use Secure Shell (SSH) to connect to the affected Compute Engine instances, and run a series of PING tests to the other affected endpoints and the 8.8.8.8 IPv4 address.

Answer: C

Explanation:
https://cloud.google.com/network-intelligence-center/docs/connectivity-tests/concepts/overview

NEW QUESTION # 223
You are designing the networking infrastructure for your company on Google Cloud. Your design must connect three separate VPC networks for development, testing, and production to two on- premises data centers while remaining isolated from each other. Each data center is connected to Google Cloud via Cloud VPN.
Additionally, your design must incorporate a user-published security service that is hosted in another Google Cloud organization and made available for private consumption. You need to create a scalable and centrally managed solution.
What should you do?

A. Use VPC Network Peering to create a full mesh between the development, testing, and production VPCs and the Cloud VPN network.
B. Create a Network Connectivity Center hub, and configure each of the three VPCs and the two Cloud VPN spokes. Use Private Service Connect to access the third-party service.
C. Use Network Connectivity Center to establish a full-mesh topology between the three VPCs. Use VPC Network Peering to connect to the Cloud VPN and Private Service Connect to access the third-party service.
D. Create a Shared VPC, and migrate the resources from the development, testing, and production VPCs into service projects.

Answer: B

Explanation:
Network Connectivity Center is the scalable, centrally managed option for connecting multiple isolated VPCs and multiple on-premises sites through Cloud VPN using a hub-and-spoke model.
That fits the requirement to keep development, testing, and production as separate VPCs while centrally managing connectivity to the two data centers. For the user-published security service hosted in another Google Cloud organization and consumed privately, the correct pattern is Private Service Connect, which is designed for private consumption of published services across organizational boundaries.
Reference:
https://docs.cloud.google.com/apigee/docs/api-platform/get-started/install-cli-non-peered-eval

NEW QUESTION # 224
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