The answer is to enable Multi-AZ deployment and automated backups with point-in-time recovery. Multi-AZ automatically provisions a standby replica in a different Availability Zone, so if the primary instance fails, Amazon RDS performs an automatic failover to the standby with zero manual intervention, ensuring continuous availability. Automated backups, combined with point-in-time recovery, allow you to restore the database to any second within the retention period, which is essential for recovering from logical corruption or user errors—not just hardware failure. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your ability to distinguish between automatic recovery features and manual or scaling-focused options. A common trap is confusing read replicas (which handle read traffic but do not provide automatic failover) or manual snapshots (which require human action) with true automatic recovery. Memory tip: think “Auto for Auto”—Multi-AZ gives automatic failover, automated backups give automatic restore; if you have to click a button, it’s not automatic.
DOP-C02 Incident and Event Response Practice Question
This DOP-C02 practice question tests your understanding of incident and event response. 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.
Which TWO actions should a DevOps engineer take to ensure that an Amazon RDS for PostgreSQL database is automatically recovered in the event of a failure?
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 with a retention period of at least 1 day
Options A and D are correct. Multi-AZ deployment provides automatic failover, and automated backups with point-in-time recovery allow restoring to a specific time. Option B is incorrect because manual snapshots require manual intervention. Option C is incorrect because read replicas are for read scaling, not automatic failover. Option E is incorrect because cross-region replication is for disaster recovery, not automatic recovery.
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.
✗
Create a read replica in a different Availability Zone
Why it's wrong here
Read replicas do not provide automatic failover.
✗
Take manual snapshots every hour
Why it's wrong here
Manual snapshots are not automatic and do not provide automatic recovery.
✗
Configure cross-region replication to a secondary region
Why it's wrong here
Cross-region replication is for disaster recovery, not automatic recovery.
✓
Enable automated backups with a retention period of at least 1 day
Why this is correct
Automated backups enable point-in-time recovery for manual restoration.
Related concept
Read the scenario before looking for a memorised answer.
✓
Enable Multi-AZ deployment
Why this is correct
Multi-AZ provides automatic failover to a standby instance.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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
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.
Identify which DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Incident and Event Response — This question tests Incident and Event Response — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable automated backups with a retention period of at least 1 day — Options A and D are correct. Multi-AZ deployment provides automatic failover, and automated backups with point-in-time recovery allow restoring to a specific time. Option B is incorrect because manual snapshots require manual intervention. Option C is incorrect because read replicas are for read scaling, not automatic failover. Option E is incorrect because cross-region replication is for disaster recovery, not automatic recovery.
What should I do if I get this DOP-C02 question wrong?
Identify which DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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This DOP-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 DOP-C02 exam.
Question Discussion
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