Google Professional Cloud Network Engineer Question 501
Select 3Google Cloud PlatformYou 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.