The answer is to enable Aurora Backtrack and rely on Aurora’s automated backups. Aurora Backtrack allows you to rewind the cluster to a specific point in time without restoring from a backup, directly achieving the 15-minute RTO by moving the cluster to a previous state in seconds. Meanwhile, Aurora’s continuous, incremental automated backups capture changes every five minutes, so with the default 1-day retention period, point-in-time recovery (PITR) can restore to any five-minute window, meeting the 5-minute RPO. On the AWS Certified Database Specialty DBS-C01 exam, this question tests your understanding that PITR is always available with automated backups, but Backtrack is the only feature that can hit a sub-15-minute RTO because it avoids the time-consuming restore process. A common trap is confusing backup retention with the RPO window—remember, automated backups give you the RPO, but Backtrack gives you the speed. Memory tip: “Backtrack for speed, backups for safety.”
DBS-C01 Management and Operations Practice Question
This DBS-C01 practice question tests your understanding of management and operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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 company is using an Amazon Aurora MySQL DB cluster. The company wants to implement a backup strategy that supports point-in-time recovery (PITR) with a recovery time objective (RTO) of 15 minutes and a recovery point objective (RPO) of 5 minutes. Which TWO actions should the company take?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure automated backups with a retention period of at least 5 minutes beyond the current time.
Option A is correct because Aurora automated backups are continuous and incremental, and the retention period must be set to at least 1 day (not 5 minutes) to enable point-in-time recovery (PITR). However, the key insight is that automated backups are always enabled by default with a 1-day retention, and PITR can restore to any point within that retention window, supporting an RPO of 5 minutes as Aurora's backup process captures changes every 5 minutes. Option E is correct because Aurora Backtrack allows you to 'rewind' the cluster to a specific point in time without restoring from a backup, achieving an RTO of 15 minutes or less by directly moving the cluster to a previous state, provided Backtrack is enabled with a backtrack window of at least 5 minutes.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 automated backups with a retention period of at least 5 minutes beyond the current time.
Why this is correct
Automated backups enable PITR.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create manual snapshots every 5 minutes.
Why it's wrong here
Manual snapshots are not point-in-time and take time to create.
✗
Enable cross-Region replication for the cluster.
Why it's wrong here
Cross-Region replication is for disaster recovery, not PITR.
✗
Enable parallel query for the cluster.
Why it's wrong here
Parallel query improves query performance, not backup.
✓
Enable Aurora Backtrack.
Why this is correct
Backtrack allows rewinding the cluster to a specific time, meeting RTO and RPO.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume automated backups require a retention period of exactly 5 minutes to achieve a 5-minute RPO, but Aurora's PITR is based on the frequency of transaction log application (every 5 minutes) and the retention period must be at least 1 day; the 5-minute RPO is inherent to the service, not configurable via retention period.
Detailed technical explanation
How to think about this question
Aurora Backtrack works by maintaining a log of changes (redo records) for up to 72 hours, allowing the cluster to be rewound to any point within that window in seconds, regardless of database size. Automated backups in Aurora are continuous and stored in Amazon S3, with transaction logs applied every 5 minutes to enable PITR, but the retention period must be set to at least 1 day (the minimum) to use PITR; the 5-minute RPO is achieved by the frequency of log application, not by the retention period itself. In practice, combining Backtrack (for fast rewind) with automated backups (for long-term recovery) provides both low RTO and RPO, but Backtrack alone cannot replace backups for disaster recovery beyond the backtrack window.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Management and Operations — This question tests Management and Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure automated backups with a retention period of at least 5 minutes beyond the current time. — Option A is correct because Aurora automated backups are continuous and incremental, and the retention period must be set to at least 1 day (not 5 minutes) to enable point-in-time recovery (PITR). However, the key insight is that automated backups are always enabled by default with a 1-day retention, and PITR can restore to any point within that retention window, supporting an RPO of 5 minutes as Aurora's backup process captures changes every 5 minutes. Option E is correct because Aurora Backtrack allows you to 'rewind' the cluster to a specific point in time without restoring from a backup, achieving an RTO of 15 minutes or less by directly moving the cluster to a previous state, provided Backtrack is enabled with a backtrack window of at least 5 minutes.
What should I do if I get this DBS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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