Quick Answer
The answer is that automated backups are disabled because the BackupRetentionPeriod is set to 0, which makes point-in-time recovery impossible. AWS RDS requires a BackupRetentionPeriod of at least 1 day to enable automated backups, which are the foundation for point-in-time recovery; without them, no transaction logs are retained to restore to a specific time. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding that disabling automated backups is the most common reason for RDS point-in-time recovery failure, even when the database engine supports it and the backup window has passed. A common trap is assuming Multi-AZ or the backup window timing is the issue, but the core requirement is a non-zero retention period. Memory tip: "Zero backups, zero restores" — if BackupRetentionPeriod is 0, you cannot roll back to any point in time.
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. 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.
Refer to the exhibit. A SysOps administrator needs to restore the database 'mydb' to the most recent restorable time shown. However, the administrator cannot restore to that time. What is the MOST likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The database engine does not support point-in-time recovery.
Why wrong: MySQL supports PITR.
Automated backups are disabled (BackupRetentionPeriod is 0).
No backups available for restoration.
The backup window has already passed.
Why wrong: Restores can occur any time.
The database is not Multi-AZ.
Why wrong: Multi-AZ is not required for restores.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Automated backups are disabled (BackupRetentionPeriod is 0).
Option C is correct because BackupRetentionPeriod is 0, which disables automated backups. Without backups, point-in-time recovery is not possible. Option A is wrong because Multi-AZ is false but does not prevent restores. Option B is wrong because the backup window has passed; restores can still happen. Option D is wrong because engine is MySQL, which supports restores.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
The database engine does not support point-in-time recovery.
Why it's wrong here
MySQL supports PITR.
Automated backups are disabled (BackupRetentionPeriod is 0).
Why this is correct
No backups available for restoration.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
The backup window has already passed.
Why it's wrong here
Restores can occur any time.
The database is not Multi-AZ.
Why it's wrong here
Multi-AZ is not required for restores.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which SOA-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.
Reliability and Business Continuity — study guide chapter
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FAQ
Reliability and Business Continuity — This question tests Reliability and Business Continuity — Read the scenario before looking for a memorised answer..
The correct answer is: Automated backups are disabled (BackupRetentionPeriod is 0). — Option C is correct because BackupRetentionPeriod is 0, which disables automated backups. Without backups, point-in-time recovery is not possible. Option A is wrong because Multi-AZ is false but does not prevent restores. Option B is wrong because the backup window has passed; restores can still happen. Option D is wrong because engine is MySQL, which supports restores.
Identify which SOA-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.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 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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