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Professional-Cloud-Network-Engineer Exam Dumps : Google Cloud Certified - Professional Cloud Network Engineer

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Google Cloud Certified - Professional Cloud Network Engineer Questions and Answers

Question 1

Question:

Recently, your networking team enabled Cloud CDN for one of the external-facing services that is exposed through an external Application Load Balancer. The application team has already defined which content should be cached within the responses. Upon testing the load balancer, you did not observe any change in performance after the Cloud CDN enablement. You need to resolve the issue. What should you do?

Options:

A.

Configure the CACHE_MAX_STATIC caching mode on Cloud CDN to ensure Cloud CDN caches content depending on responses from the backends.

B.

Configure the USE_ORIGIN_HEADERS caching mode on Cloud CDN to ensure Cloud CDN caches content based on response headers from the backends.

C.

Configure the CACHE_ALL_STATIC caching mode on Cloud CDN to ensure Cloud CDN caches all static content as well as content defined by the backends.

D.

Configure the FORCE_CACHE_ALL caching mode on Cloud CDN to ensure all appropriate content is cached.

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Question 2

You are designing a new global application using Compute Engine instances that will be exposed by a global HTTP(S) load balancer. You need to secure your application from distributed denial-of-service and application layer (layer 7) attacks. What should you do?

Options:

A.

Configure VPC Service Controls and create a secure perimeter. Define fine-grained perimeter controls and enforce that security posture across your Google Cloud services and projects.

B.

Configure a Google Cloud Armor security policy in your project, and attach it to the backend service to secure the application.

C.

Configure VPC firewall rules to protect the Compute Engine instances against distributed denial-of-service attacks.

D.

Configure hierarchical firewall rules for the global HTTP(S) load balancer public IP address at the organization level.

Question 3

You are troubleshooting an application in your organization's Google Cloud network that is not functioning as expected. You suspect that packets are getting lost somewhere. The application sends packets intermittently at a low volume from a Compute Engine VM to a destination on your on-premises network through a pair of Cloud Interconnect VLAN attachments. You validated that the Cloud Next Generation Firewall (Cloud NGFW) rules do not have any deny statements blocking egress traffic, and you do not have any explicit allow rules. Following Google-recommended practices, you need to analyze the flow to see if packets are being sent correctly out of the VM to isolate the issue. What should you do?

Options:

A.

Create a packet mirroring policy that is configured with your VM as the source and destined to a collector. Analyze the packet captures.

B.

Enable VPC Flow Logs on the subnet that the VM is deployed in with sample_rate = 1.0, and run a query in Logs Explorer to analyze the packet flow.

C.

Enable Firewall Rules Logging on your firewall rules and review the logs.

D.

Verify the network/attachment/egress_dropped_packet.s_count Cloud Interconnect VLAN attachment metric.