Which set of Amazon S3 features helps to prevent and recover from accidental data loss?
A.
Object lifecycle and service access logging
B.
Object versioning and Multi-factor authentication
C.
Access controls and server-side encryption
D.
Website hosting and Amazon S3 policies
Explanation:
http://media.amazonwebservices.com/AWS_Security_Best_Practices.pdf
B
http://www.aiotestking.com/amazon/which-set-of-amazon-s3-features-helps-to-prevent-and-recover-from-accidental-data-loss/
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B
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