SAP-C02 Design for New Solutions Practice Question
A company is designing a new disaster recovery (DR) strategy for its critical applications. The DR plan must achieve a recovery time objective (RTO) of 15 minutes and a recovery point objective (RPO) of 1 minute. The applications run on Amazon EC2 instances with Amazon EBS volumes. Which THREE actions should the company take to meet these requirements? (Choose three.)
⚠ Common exam trap
Candidates often confuse Pilot Light with Warm Standby or Multi-Site, and may incorrectly assume that using a single AZ or Glacier backups can meet aggressive RTO/RPO targets, when in fact they introduce unacceptable latency or single points of failure.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure Amazon RDS Multi-AZ deployments.
Amazon RDS Multi-AZ deployments provide synchronous replication to a standby instance in a different Availability Zone, enabling automatic failover with an RTO typically under 1-2 minutes and an RPO of effectively zero, which meets the 15-minute RTO and 1-minute RPO requirements for the database tier.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Configure Amazon RDS Multi-AZ deployments.
Why this is correct
Multi-AZ provides automatic failover with RTO typically under 1 minute and RPO of seconds.
- ✗
Use a single Availability Zone for EC2 instances to simplify failover.
Why it's wrong here
Single-AZ increases risk and does not meet RTO/RPO.
- ✓
Implement a Pilot Light strategy by replicating data to a secondary region and launching resources on failover.
Why this is correct
Pilot Light can achieve low RTO/RPO with pre-replicated data and automated failover.
- ✗
Store backups in Amazon S3 Glacier.
Why it's wrong here
Glacier retrieval times are minutes to hours, not meeting 15-minute RTO.
- ✓
Use Amazon EBS cross-region snapshot copy to replicate data.
Why this is correct
EBS snapshots can be copied cross-region and used to restore volumes quickly.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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