SOA-C02 Question 118
Select 3Your company hosts an e-commerce application on AWS, leveraging Amazon RDS for the primary database in the us-east-1 region. To ensure business continuity during a disaster, you are tasked with setting up a disaster recovery solution to minimize downtime and data loss. Which steps should you take to achieve this?
- A
Enable Amazon RDS Multi-AZ deployment for the database in the us-east-1 region.
- B
Create a read replica of the database in a different AWS Region, such as us-west-2.
- C
Take manual snapshots of the database and store them in Amazon S3.
- D
Configure automated backups for the database and enable cross-region replication.
- E
Set up a Route 53 health check and failover routing policy to redirect traffic to the disaster recovery region.
Show answer and explanation
Correct answers: A, B, E
Explanation
To implement a disaster recovery solution for Amazon RDS, you should combine Multi-AZ deployment for high availability within the primary region, a cross-region read replica for regional disaster recovery, and a Route 53 failover policy to redirect traffic. These steps ensure both data integrity and application availability during a disaster event. While manual snapshots and automated backups are useful for backups, they do not provide the same level of real-time availability required for disaster recovery.
- A. Correct.
Enabling Amazon RDS Multi-AZ deployment provides high availability within the same region but does not protect against regional failures. However, it is still a core step in disaster recovery preparations.
- B. Correct.
Creating a read replica in a different AWS Region ensures an up-to-date copy of the database is available in the disaster recovery region, minimizing data loss during a regional disaster.
- C. Incorrect.
Taking manual snapshots is a valid backup strategy, but it does not provide the near-real-time replication required for disaster recovery. This is more suitable for periodic data archiving.
- D. Incorrect.
Configuring automated backups with cross-region replication is not currently an RDS feature. Automated backups remain within the same region by default.
- E. Correct.
Using a Route 53 health check and failover routing policy ensures that traffic is redirected to the disaster recovery region during a failure, minimizing downtime for the application.