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Question 872 - SAA-C03 discussion

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A company stores customer data in a multitenant Amazon S3 bucket. Each customer's data is stored in a prefix that is unique to the customer. The company needs to migrate data for specific customers to a new. dedicated S3 bucket that is in the same AWS Region as the source bucket. The company must preserve object metadata such as creation date and version IDs.

After the migration is finished, the company must delete the source data for the migrated customers from the original multitenant S3 bucket.

Which combination of solutions will meet these requirements with the LEAST overhead? (Select THREE.)

A.

Create a new S3 bucket as a destination bucket. Enable versioning on the new bucket.

Answers
A.

Create a new S3 bucket as a destination bucket. Enable versioning on the new bucket.

B.

Use S3 batch operations to copy objects from the specified prefixes to the destination bucket.

Answers
B.

Use S3 batch operations to copy objects from the specified prefixes to the destination bucket.

C.

Use the S3 CopyObject API, and create a script to copy data to the destination S3 bucket.

Answers
C.

Use the S3 CopyObject API, and create a script to copy data to the destination S3 bucket.

D.

Configure S3 Same-Region Replication (SRR) to replicate existing data from the specified prefixes in the source bucket to the destination bucket.

Answers
D.

Configure S3 Same-Region Replication (SRR) to replicate existing data from the specified prefixes in the source bucket to the destination bucket.

E.

Configure AWS DataSync to migrate data from the specified prefixes in the source bucket to the destination bucket.

Answers
E.

Configure AWS DataSync to migrate data from the specified prefixes in the source bucket to the destination bucket.

F.

Use an S3 Lifecycle policy to delete objects from the source bucket after the data is migrated to the destination bucket.

Answers
F.

Use an S3 Lifecycle policy to delete objects from the source bucket after the data is migrated to the destination bucket.

Suggested answer: A, B, F

Explanation:

The combination of these solutions provides an efficient and automated way to migrate data while preserving metadata and ensuring cleanup:

Create a new S3 bucket with versioning enabled (Option A) to preserve object metadata like version IDs during migration.

Use S3 batch operations (Option B) to efficiently copy data from specific prefixes in the source bucket to the destination bucket, ensuring minimal overhead.

Use an S3 Lifecycle policy (Option F) to automatically delete the data from the source bucket after it has been migrated, reducing manual intervention.

Option C (CopyObject API): This approach would require more manual scripting and effort.

Option D (Same-Region Replication): SRR is designed for ongoing replication, not for one-time migrations.

Option E (DataSync): DataSync adds more complexity than necessary for this task.

AWS

Reference:

S3 Batch Operations

S3 Lifecycle Policies

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asked 27/10/2024
Adugna Mehari
37 questions
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