You use S3 to store critical data for your company Several users within your group currently have lull permissions to your
S3 buckets You need to come up with a solution mat does not impact your users and also protect against the accidental
deletion of objects. Which two options will address this issue? (Choose two.)

A.
Enable versioning on your S3 Buckets

B.
Configure your S3 Buckets with MFA delete

C.
Create a Bucket policy and only allow read only permissions to all users at the bucket level

D.
Enable object life cycle policies and configure the data older than 3 months to be archived in Glacier

Explanation:
Versioning allows easy recovery of previous file version. MFA delete requires additional MFA authentication to delete
files. Won’t impact the users current access.
http://docs.aws.amazon.com/AmazonS3/latest/dev/Versioning.html
http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMFADelete.html