Exam Professional Cloud Network Engineer topic 1 question 51 discussion

Option A (Ensure that the object you don't want to be cached anymore is not shared publicly) is not the best choice because CDN behavior is typically determined by Cache-Control headers rather than object permissions. Option B (Create a new storage bucket, move the object you don't want to be cached anymore inside it, and enable the private attribute) is not necessary and could be an unnecessary workaround. You can control caching behavior through Cache-Control headers without needing to create a new bucket. Option C (Add an appropriate lifecycle rule on the storage bucket containing the two objects) is not the most direct way to control caching behavior. Lifecycle rules are typically used for managing the lifecycle of objects (e.g., deleting old objects), not for controlling cache behavior.

Option A, "Ensure that the object you don't want to be cached anymore is not shared publicly," is not the correct answer because public sharing is not related to caching. Public sharing only controls whether the object is accessible by users who have the link or if it's accessible to everyone on the internet. Option B, "Create a new storage bucket, and move the object you don't want to be checked anymore inside it. Then edit the bucket setting and enable the private attribute," is not the correct answer because creating a new bucket would cause unnecessary complexity and may not be an ideal solution for a large number of objects or frequent changes to objects. Option C, "Add an appropriate lifecycle rule on the storage bucket containing the two objects," is not the correct answer because lifecycle rules control the lifecycle of objects, such as deletion or archiving, but not caching.