SAP-C02 Question 499
Single answerYour company operates a mission-critical application hosted in an AWS region. Business continuity requirements mandate that the application must have a recovery time objective (RTO) of 15 minutes and a recovery point objective (RPO) of 1 minute in the event of a regional disaster. Which disaster recovery strategy would best meet these requirements?
- A
Backup and Restore
- B
Warm Standby
- C
Pilot Light
- D
Multi-Region Active-Active
- E
Cold Standby
Show answer and explanation
Correct answer: D
Explanation
To meet strict RTO and RPO requirements, a disaster recovery strategy must ensure minimal downtime and data loss. Multi-Region Active-Active achieves this by running the application in multiple regions simultaneously and synchronizing data between them. This approach provides near-instant failover, meeting the 15-minute RTO and 1-minute RPO requirements, making it the best option for mission-critical applications requiring high availability.
- A. Incorrect.
Backup and Restore is a cost-effective disaster recovery strategy, but it has longer recovery times that typically exceed the 15-minute RTO requirement. This makes it unsuitable for this scenario.
- B. Incorrect.
Warm Standby involves running a scaled-down version of your application in another region, which reduces recovery times compared to backup and restore, but still doesn’t guarantee meeting an RTO of 15 minutes consistently, especially for mission-critical applications.
- C. Incorrect.
Pilot Light keeps critical components of your application running in another region, but scaling it up during a disaster may not meet the strict 15-minute RTO requirement.
- D. Correct.
Multi-Region Active-Active ensures that your application is running in multiple regions simultaneously, with data synchronized across regions. This approach provides near-instant failover and can meet both the 15-minute RTO and 1-minute RPO requirements.
- E. Incorrect.
Cold Standby involves no running infrastructure in the secondary region, making it the least costly option but unsuitable for meeting a 15-minute RTO due to the time needed to provision and configure resources.