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Google Professional Cloud Network Engineer exam dumps: questions 501 to 600 of 789

Page 6 of the free Google Professional Cloud Network Engineer question bank for the Professional Cloud Network Engineer exam. Questions 501 to 600 are listed below, the first 5 in full with answers and explanations. Back to page 1 for the exam overview and FAQ.

Question bank last updated December 2024

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Free Google Professional Cloud Network Engineer practice questions

Questions 501 to 505 of 789

Pick an answer before you open the explanation. Each question also has its own page with a permalink.

Google Professional Cloud Network Engineer Question 501

Select 3Google Cloud Platform

You are configuring Cloud CDN to optimize the performance and cost of delivering content from your application hosted on Google Cloud. During the setup process, you need to ensure that Cloud CDN properly caches and serves content. Which of the following configurations are required to enable and manage Cloud CDN effectively?

A
Ensure that the backend service or bucket is attached to an external HTTP(S) load balancer.
B
Enable Cloud CDN for the backend service or backend bucket associated with the load balancer.
C
Set the cache mode to 'Cache All Requests' to cache every request made to your application, regardless of headers.
D
Review and configure cache key settings to avoid caching sensitive or user-specific data.
E
Manually create CDN cache invalidation rules for all new content updates to ensure changes are reflected immediately.

Show answer and explanation

Correct answers: A, B, D

Explanation

To effectively configure Cloud CDN, you must attach the backend service or bucket to an external HTTP(S) load balancer and enable Cloud CDN for that backend. Additionally, careful cache key configuration ensures secure and efficient caching. Over-reliance on manual cache invalidation or indiscriminate caching can lead to inefficiencies or security issues.

A. Correct.
Correct: Cloud CDN requires an external HTTP(S) load balancer to serve content. The backend service or bucket must be attached to the load balancer for Cloud CDN to function.
B. Correct.
Correct: Cloud CDN must be explicitly enabled for the backend service or bucket attached to the load balancer.
C. Incorrect.
Incorrect: Setting 'Cache All Requests' indiscriminately may lead to caching sensitive or user-specific data, which can cause security issues or unintended behavior.
D. Correct.
Correct: Properly configuring cache key settings ensures that Cloud CDN caches content appropriately and avoids storing sensitive or user-specific information.
E. Incorrect.
Incorrect: While cache invalidation can be used to update content, it does not need to be manually configured every time. Cache invalidation can be automated via API calls or other methods.

Google Professional Cloud Network Engineer Question 502

Select 3Google Cloud Platform

Your company hosts a web application on Google Cloud, and you want to improve the global delivery performance of static assets (like images and JavaScript files) by using Cloud CDN. The application also has dynamic content that must not be cached. Which of the following steps should you take to properly configure Cloud CDN to achieve this goal?

A
Enable Cloud CDN on the backend service or backend bucket that serves the web application.
B
Set a Cache-Control header with 'no-cache' or 'private' for dynamic content responses.
C
Use the 'Cache Key Policy' to include query strings and headers relevant to dynamic content.
D
Configure a Cloud CDN origin to serve all traffic, both static and dynamic, without exception.
E
Set URL-based routing rules to route static content to the backend bucket and dynamic content to the backend service.

Show answer and explanation

Correct answers: A, B, E

Explanation

To properly configure Cloud CDN for this scenario, you must enable it on the appropriate backend and ensure that dynamic content is excluded from caching using Cache-Control headers. Additionally, URL-based routing rules can help route static content to a backend bucket optimized for caching while routing dynamic content to a backend service. This ensures optimal performance and adherence to the application's requirements.

A. Correct.
Correct. Enabling Cloud CDN on the backend service or bucket is a necessary step to activate the caching functionality.
B. Correct.
Correct. Setting appropriate Cache-Control headers for dynamic content ensures it is not cached by Cloud CDN.
C. Incorrect.
Incorrect. While the Cache Key Policy is useful for controlling cache behavior, it doesn't directly address the requirement to avoid caching dynamic content.
D. Incorrect.
Incorrect. Configuring Cloud CDN to serve all traffic without exception would lead to caching of dynamic content, which violates the requirements.
E. Correct.
Correct. URL-based routing rules can help separate static and dynamic content, ensuring that only static content is cached.

Google Professional Cloud Network Engineer Question 503

Select 3Google Cloud Platform

Your company hosts a web application on Google Cloud using a global HTTPS load balancer. You have been tasked with configuring Cloud CDN to improve the performance and scalability of the application. Which of the following steps must be performed to successfully enable Cloud CDN for the application?

A
Enable Cloud CDN on the backend service connected to the HTTPS load balancer.
B
Ensure the backend service is configured with at least one instance group or backend bucket.
C
Configure caching policies directly on the Cloud CDN service.
D
Set up a custom domain name for the application before enabling Cloud CDN.
E
Verify that the HTTPS load balancer has a valid SSL/TLS certificate in place.

Show answer and explanation

Correct answers: A, B, E

Explanation

To configure Cloud CDN, it must be enabled on the backend service of the HTTPS load balancer. The backend service must already have a defined backend (instance group or backend bucket), and a valid SSL/TLS certificate is required for HTTPS traffic. While caching policies can be customized, they are defined via the backend service or URL maps, not directly on Cloud CDN. A custom domain is optional and not required to enable Cloud CDN.

A. Correct.
Correct. Cloud CDN must be enabled on the backend service associated with the HTTPS load balancer to cache and serve content.
B. Correct.
Correct. The backend service must have at least one instance group or backend bucket to serve content, as Cloud CDN works in conjunction with the backend service.
C. Incorrect.
Incorrect. Caching policies are configured via the backend service or URL maps, not directly on the Cloud CDN service.
D. Incorrect.
Incorrect. While a custom domain may be desirable for your application, it is not a mandatory step to enable Cloud CDN.
E. Correct.
Correct. A valid SSL/TLS certificate is required for HTTPS load balancers, which is necessary for Cloud CDN to function correctly.

Google Professional Cloud Network Engineer Question 504

Select 2Google Cloud Platform

You are a network engineer managing a global e-commerce website hosted on Google Cloud. To improve performance and reduce latency for users worldwide, you decide to enable Cloud CDN for your HTTP(S) load balancer. Which of the following configurations and considerations are necessary to ensure Cloud CDN functions correctly?

A
Ensure that the backend instances send cacheable responses (e.g., responses with appropriate Cache-Control headers).
B
Verify that the load balancer is configured with an external, global IP address.
C
Enable the 'Cache All Responses' option in Cloud CDN settings to cache every response, regardless of caching headers.
D
Confirm that the backend service or backend bucket is configured to use a health check.
E
Check that the origin server supports HTTP/2 or QUIC protocols to maximize CDN performance.

Show answer and explanation

Correct answers: A, B

Explanation

To configure Cloud CDN successfully, the backend must send cacheable responses, and the HTTP(S) load balancer must be configured with a global, external IP address. These are critical requirements for Cloud CDN to serve cached content to users worldwide. Other considerations, such as health checks and HTTP/2, may add value but are not directly required for enabling Cloud CDN.

A. Correct.
Correct. For Cloud CDN to cache content, responses from the backend must be cacheable. This includes setting appropriate Cache-Control headers or other caching metadata.
B. Correct.
Correct. Cloud CDN requires that the HTTP(S) load balancer is configured with a global, external IP address to serve cached content to users worldwide.
C. Incorrect.
Incorrect. Cloud CDN does not cache all responses by default, and enabling caching for all responses without proper Cache-Control headers could lead to incorrect behavior, such as caching private or dynamic content.
D. Incorrect.
Incorrect. While health checks are required for backend services, they are not specific to enabling Cloud CDN functionality. Health checks are generally used to ensure that backend instances are operational.
E. Incorrect.
Incorrect. While HTTP/2 or QUIC can improve performance, they are not mandatory for enabling or configuring Cloud CDN. Cloud CDN can still function using HTTP/1.1.

Google Professional Cloud Network Engineer Question 505

Select 4Google Cloud Platform

You are tasked with setting up Cloud CDN to improve the performance and availability of your application. The application is deployed on multiple supported origins: a Cloud Storage bucket, a Cloud Run service, and a managed instance group. Which steps should you take to successfully enable Cloud CDN for these origins?

A
Add an external HTTP(S) load balancer and configure the origins as backend services.
B
Enable Cloud CDN on the backend services connected to the external HTTP(S) load balancer.
C
Ensure the origins support public access and are configured with appropriate caching policies.
D
Directly enable Cloud CDN on the Cloud Storage bucket, Cloud Run service, and managed instance group without using a load balancer.
E
Configure a private IP address for the backend services to ensure caching is enabled for private traffic.
F
Set up appropriate cache invalidation rules to manage content updates in Cloud CDN.

Show answer and explanation

Correct answers: A, B, C, F

Explanation

To enable Cloud CDN for supported origins (Cloud Storage buckets, Cloud Run services, and managed instance groups), you must first configure an external HTTP(S) load balancer to route traffic to these origins. Cloud CDN is then enabled on the backend services associated with the load balancer. The origins must support public access with appropriate caching policies, and cache invalidation rules should be defined to manage content updates effectively. Directly enabling Cloud CDN on origins without a load balancer or setting private IPs is not supported.

A. Correct.
Correct: Cloud CDN requires an external HTTP(S) load balancer to route traffic to the supported origins. This is a necessary step for enabling Cloud CDN.
B. Correct.
Correct: Enabling Cloud CDN on the backend services connected to the load balancer ensures caching is activated for those origins.
C. Correct.
Correct: Cloud CDN works with public-facing origins, so ensuring public access and configuring caching policies is required for proper functionality.
D. Incorrect.
Incorrect: Cloud CDN cannot be enabled directly on Cloud Storage buckets, Cloud Run services, or managed instance groups. A load balancer is required to manage traffic and caching.
E. Incorrect.
Incorrect: Cloud CDN is designed for public traffic and does not cache private traffic. Configuring a private IP is not relevant to enabling Cloud CDN.
F. Correct.
Correct: Cache invalidation rules are important to manage updates to content in Cloud CDN and ensure users receive the most recent data.

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Google Professional Cloud Network Engineer practice questions 501 to 600 of 789

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