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Difficulty: EasyS3 Reliability and Replication

A SysOps Administrator is setting up Amazon S3 Cross-Region Replication (CRR) between a source bucket and a destination bucket. The administrator has configured the replication rule and the IAM role, but objects are not replicating to the destination bucket. Which of the following configuration steps must be performed to enable replication? (Select two.)

  1. Enable bucket versioning on the source S3 bucket.Answer
  2. Enable bucket versioning on the destination S3 bucket.Answer
  3. C
    Suspend versioning on the destination bucket to optimize storage usage.
  4. D
    Configure replication with versioning suspended on both the source and destination buckets.
  5. E
    Grant the administrator's IAM policy the iam:AssumeRole permission instead of the iam:PassRole permission to pass the replication role to S3.

Answer

Enable bucket versioning on both the source S3 bucket and the destination S3 bucket.
For Amazon S3 replication (either Cross-Region Replication or Same-Region Replication) to function, versioning must be enabled on both the source and destination S3 buckets. Enabling versioning ensures that every version of an object created in the source bucket can be uniquely identified and copied to the destination bucket.

Step-by-Step Solution

1
Verify the prerequisite configuration requirements for Amazon S3 replication.
Confirm that bucket versioning is a mandatory requirement for both the source and destination buckets.
S3 replication relies on versioning to track and replicate object creation, updates, and deletion markers across buckets.
2
Enable versioning on the source S3 bucket.
Source bucket versioning state is set to enabled.
Allows S3 to generate unique version IDs for objects to be replicated.
3
Enable versioning on the destination S3 bucket.
Destination bucket versioning state is set to enabled.
Allows the destination bucket to receive replicated objects while maintaining their version history.

Key Concept

S3 Replication Requirements
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Topics

S3 Reliability and Replication

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