- A
Enable automated backups and set the backup retention period to 7 days
Automated backups with a 7-day retention period keep daily snapshots and transaction logs for 7 days. Any point within the retention window is recoverable. Transaction logs allow recovery to any 5-minute interval within that window. Setting the period to 0 disables automated backups and PITR entirely.
- B
Create a manual DB snapshot every night using the AWS CLI on a schedule
Why wrong: Manual snapshots can restore to the exact moment the snapshot was taken, but they cannot support point-in-time recovery to an arbitrary second between snapshots. Without automated backups, transaction logs are not retained, so restoring to the moment just before an accidental deletion is not possible.
- C
Enable Multi-AZ to maintain a synchronous standby replica in a second Availability Zone
Why wrong: Multi-AZ provides high availability by failing over to a synchronous standby if the primary fails. The standby replica mirrors all writes including accidental deletes — it does not enable point-in-time recovery. Multi-AZ is for HA, not for PITR.
- D
Enable RDS read replicas and promote one if data deletion occurs
Why wrong: Read replicas use asynchronous replication. An accidental DELETE on the primary replicates to all read replicas within seconds. Promoting a replica after the deletion gives you the deleted state, not the pre-deletion state. Read replicas are for read scaling, not PITR.
SOA-C02 Practice Question: RDS automated backups and the retention period…
This SOA-C02 practice question tests your understanding of reliability and business continuity. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: rDS automated backups. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A production RDS MySQL database stores financial records. The team needs the ability to restore the database to any point within the last 7 days in case of accidental data deletion. Automated backups are currently disabled. What must be configured?
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
Enable automated backups and set the backup retention period to 7 days
To restore an RDS MySQL database to any point within the last 7 days, you must enable automated backups and set the backup retention period to 7 days. Automated backups enable point-in-time recovery (PITR), which allows restoration to any second within the retention window using binary logs. Without automated backups, RDS cannot perform PITR, even if manual snapshots exist.
Key principle: RDS automated backups
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Enable automated backups and set the backup retention period to 7 days
Why this is correct
Automated backups with a 7-day retention period keep daily snapshots and transaction logs for 7 days. Any point within the retention window is recoverable. Transaction logs allow recovery to any 5-minute interval within that window. Setting the period to 0 disables automated backups and PITR entirely.
Related concept
RDS automated backups
- ✗
Create a manual DB snapshot every night using the AWS CLI on a schedule
Why it's wrong here
Manual snapshots can restore to the exact moment the snapshot was taken, but they cannot support point-in-time recovery to an arbitrary second between snapshots. Without automated backups, transaction logs are not retained, so restoring to the moment just before an accidental deletion is not possible.
- ✗
Enable Multi-AZ to maintain a synchronous standby replica in a second Availability Zone
Why it's wrong here
Multi-AZ provides high availability by failing over to a synchronous standby if the primary fails. The standby replica mirrors all writes including accidental deletes — it does not enable point-in-time recovery. Multi-AZ is for HA, not for PITR.
- ✗
Enable RDS read replicas and promote one if data deletion occurs
Why it's wrong here
Read replicas use asynchronous replication. An accidental DELETE on the primary replicates to all read replicas within seconds. Promoting a replica after the deletion gives you the deleted state, not the pre-deletion state. Read replicas are for read scaling, not PITR.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse manual snapshots with automated backups, not realizing that only automated backups enable point-in-time recovery, while manual snapshots are static and cannot be used for granular restoration.
Detailed technical explanation
How to think about this question
Point-in-time recovery in RDS MySQL works by restoring the most recent automated backup (a full snapshot) and then replaying binary log (binlog) transactions up to the desired timestamp. The backup retention period defines how long automated backups and binlogs are retained; setting it to 7 days ensures that RDS keeps enough transaction logs to allow restoration to any second within that window. Without automated backups enabled, RDS does not capture binlogs, making PITR impossible even if manual snapshots exist.
KKey Concepts to Remember
- RDS automated backups
- point-in-time recovery
- backup retention period
- transaction logs
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
RDS automated backups
Real-world example
How this comes up in practice
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
Review rDS automated backups, then practise related SOA-C02 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Reliability and Business Continuity — This question tests Reliability and Business Continuity — RDS automated backups.
What is the correct answer to this question?
The correct answer is: Enable automated backups and set the backup retention period to 7 days — To restore an RDS MySQL database to any point within the last 7 days, you must enable automated backups and set the backup retention period to 7 days. Automated backups enable point-in-time recovery (PITR), which allows restoration to any second within the retention window using binary logs. Without automated backups, RDS cannot perform PITR, even if manual snapshots exist.
What should I do if I get this SOA-C02 question wrong?
Review rDS automated backups, then practise related SOA-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
RDS automated backups
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Last reviewed: Jun 11, 2026
This SOA-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SOA-C02 exam.
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