Google Professional Cloud Network Engineer
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You have a storage bucket with the following objects:
folder-a/image-a-1.jpg
folder-a/image-a-2.jpg
folder-b/image-b-1.jpg
folder-b/image-b-2.jpg
Cloud CDN is enabled on the bucket, and all four objects are cached. You need to invalidate the cached copies of all objects with the prefix folder-a using the fewest commands possible. What should you do?
A
Add an appropriate lifecycle rule on the storage bucket.
B
Issue a cache invalidation command with pattern /folder-a/.
C
Make sure that all the objects with prefix folder-a are not shared publicly.
D
Disable Cloud CDN on the storage bucket. Wait 90 seconds. Re-enable Cloud CDN on the storage bucket.