DVA-C02 Security Practice Question

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✓

  Create source and destination S3 buckets, then enable versioning on both buckets, then set up IAM permissions for replication, then configure a replication rule on the source bucket.

  Why this is correct

  Creating the S3 source and destination buckets is the foundational first step in any replication setup. Enabling versioning on both buckets is a critical prerequisite for S3 replication, as it tracks object changes and deletions, which is essential for maintaining data integrity. Subsequently, establishing an IAM role with appropriate permissions allows S3 to perform replication actions on behalf of the user. Finally, configuring the replication rule on the source bucket initiates the automated data transfer process, leveraging all previously established components.

• ✗

  Enable versioning on both buckets, then create source and destination S3 buckets, then set up IAM permissions, then configure a replication rule.

  Why it's wrong here

  Attempting to enable versioning on S3 buckets before they have been created is technically impossible. Versioning is a configuration setting applied to an existing bucket, not a standalone action that can precede resource creation. Therefore, the logical sequence dictates that the buckets must first be provisioned in AWS before any bucket-specific properties like versioning can be enabled or modified.

• ✗

  Configure a replication rule on the source bucket, then create source and destination S3 buckets, then enable versioning, then set up IAM permissions.

  Why it's wrong here

  Configuring a replication rule as the initial step is incorrect because it has multiple critical dependencies that must be satisfied beforehand. The replication rule requires both the source and destination S3 buckets to already exist, versioning to be enabled on them, and the necessary IAM permissions to be in place. Without these foundational elements, the rule creation would immediately fail validation checks within the S3 service.

• ✗

  Create source and destination S3 buckets, then set up IAM permissions, then configure a replication rule, then enable versioning on both buckets.

  Why it's wrong here

  While creating buckets and setting IAM permissions are correct initial steps, enabling versioning *after* attempting to configure the replication rule will cause the setup to fail. S3 replication critically depends on versioning being active on both the source and destination buckets to track object states and ensure data integrity during the replication process. Therefore, versioning must be enabled *before* the replication rule is defined and activated.

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