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Question 279 - SOA-C02 discussion

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A Sysops administrator wants to share a copy of a production database with a migration account. The production database is hosted on an Amazon RDS DB instance and is encrypted at rest with an AWS Key Management Service (AWS KMS) key that has an alias of

What must the Sysops administrator do to meet these requirements with the LEAST administrative overhead?

A.
Take a snapshot of the RDS DB instance in the production account. Amend the KMS key policy of the production-rds-key KMS key to give access to the migration account's root user. Share the snapshot with the migration account.
Answers
A.
Take a snapshot of the RDS DB instance in the production account. Amend the KMS key policy of the production-rds-key KMS key to give access to the migration account's root user. Share the snapshot with the migration account.
B.
Create an RDS read replica in the migration account. Configure the KMS key policy to replicate the production-rds-key KMS key to the migration account.
Answers
B.
Create an RDS read replica in the migration account. Configure the KMS key policy to replicate the production-rds-key KMS key to the migration account.
C.
Take a snapshot of the RDS DB instance in the production account. Share the snapshot with the migration account. In the migration account, create a new KMS key that has an identical alias.
Answers
C.
Take a snapshot of the RDS DB instance in the production account. Share the snapshot with the migration account. In the migration account, create a new KMS key that has an identical alias.
D.
Use native database toolsets to export the RDS DB instance to Amazon S3. Create an S3 bucket and an S3 bucket policy for cross-account access between the production account and the migration account. Use native database toolsets to import the database from Amazon S3 to a new RDS DB instance.
Answers
D.
Use native database toolsets to export the RDS DB instance to Amazon S3. Create an S3 bucket and an S3 bucket policy for cross-account access between the production account and the migration account. Use native database toolsets to import the database from Amazon S3 to a new RDS DB instance.
Suggested answer: A

Explanation:

To share an encrypted Amazon RDS DB instance snapshot across accounts, the least administrative overhead involves directly managing permissions on the AWS KMS key and sharing the snapshot. Here's how to do it:

Take a Snapshot: Initiate a snapshot of your Amazon RDS DB instance in the production account. This captures the current state of the database.

Modify KMS Key Policy: Adjust the policy of the KMS key used for encryption (identified by the alias 'production-rds-key') to grant the kms:Decrypt permission to the migration account's root user. This step is crucial as it allows the migration account to use the same encryption key to decrypt the snapshot.

Share the Snapshot: Share the newly created snapshot with the migration account using the RDS console or AWS CLI. The migration account will now be able to see and use this snapshot to create a new RDS instance.

AWS Documentation

Reference: You can refer to the AWS documentation on sharing encrypted snapshots: Sharing Encrypted Snapshots.

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asked 16/09/2024
Robert Thompson
32 questions
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