Which of the following methods can be used to set the access permissions for anonymous users of OBS objects?

OBS Bucket A is set with a Policy policy, which does not allow any user to access the objects in the bucket; There is an object in bucket A, It is set with ACL permissions that allow anonymous users to visit the room, Then the user can access object B through anonymous access.

Passing(), can record operation events related to relational database instances, Facilitate future inquiries, audits and backtracking?

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Which of the following types of certificates are in elastic load balancing?