SAP-C02 Question #224: Real Exam Question with Answer & Explanation

Question

A company is planning to migrate an Amazon RDS for Oracle database to an RDS for PostgreSQL DB instance in another AWS account. A solutions architect needs to design a migration strategy that will require no downtime and that will minimize the amount of time necessary to complete the migration. The migration strategy must replicate all existing data and any new data that is created during the migration. The target database must be identical to the source database at completion of the migration process. All applications currently use an Amazon Route 53 CNAME record as their endpoint for communication with the RDS for Oracle DB instance. The RDS for Oracle DB instance is in a private subnet. Which combination of steps should the solutions architect take to meet these requirements? (Choose three.)

Options

• ACreate a new RDS for PostgreSQL DB instance in the target account.
• BUse the AWS Schema Conversion Tool (AWS SCT) to create a new RDS for PostgreSQL DB
• CConfigure VPC peering between the VPCs in the two AWS accounts to provide connectivity to
• DTemporarily allow the source DB instance to be publicly accessible to provide connectivity from
• EUse AWS Database Migration Service (AWS DMS) in the target account to perform a full load
• FUse AWS Database Migration Service (AWS DMS) in the target account to perform a change