Recently several critical files were mistakenly deleted from a shared Amazon S3 bucket. A SysOps Administrator needs to prevent accidental deletions from occurring in the future by enabling MFA Delete.
Once enabled, which bucket activities will require MFA authentication? (Choose two.)

A. Permanently removing an object version from the bucket
B. Disabling default object encryption for the bucket
C. Listing all versions of deleted objects in the bucket
D. Suspending versioning on the bucket
E. Enabling MFA Add on the bucket