ExpertMedium1 markMultiple Choice
AWS SAA-C03 · Question 30 · Domain 2.2: Highly Available Architectures
A company uses Amazon S3 to store critical business documents. They want to protect against accidental deletion or overwriting of these documents. They also need to ensure that if an entire AWS Region goes down, the documents are still accessible. Which combination of S3 features should they use?
A company uses Amazon S3 to store critical business documents. They want to protect against accidental deletion or overwriting of these documents. They also need to ensure that if an entire AWS Region goes down, the documents are still accessible. Which combination of S3 features should they use?
Answer options:
A.
S3 Object Lock and S3 Standard-IA
B.
S3 Versioning and Cross-Region Replication (CRR)
C.
S3 Lifecycle policies and Same-Region Replication (SRR)
D.
S3 MFA Delete and S3 Transfer Acceleration
How to approach this question
Match 'accidental deletion' to Versioning, and 'Region goes down' to Cross-Region Replication.
Full Answer
B.S3 Versioning and Cross-Region Replication (CRR)✓ Correct
S3 Versioning and Cross-Region Replication (CRR)
S3 Versioning keeps multiple variants of an object to protect against accidental deletion. Cross-Region Replication automatically copies objects across regions for disaster recovery.
Common mistakes
Choosing SRR (Same-Region) when the requirement explicitly mentions a Region going down.
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