- A
Restore the current DB instance in place by overwriting it with only the latest automated backup.
Why wrong: Restoring only the latest automated backup typically returns the database to the backup time, not to an exact time before the deletion. It also overwrites the running environment immediately, which increases disruption risk and reduces the ability to verify before cutover.
- B
Use point-in-time recovery (PITR) to restore a new DB instance to a timestamp shortly before the deletion, then switch application traffic to the restored instance.
With automated backups enabled, PITR allows restoring to a precise timestamp within the retention window. Creating a new DB instance (rather than overwriting production) enables verification of data correctness and then a controlled cutover, minimizing disruption while meeting the “specific point in time” requirement.
- C
Create a manual snapshot and restore from it only if the snapshot date exactly matches today.
Why wrong: Manual snapshots restore to the snapshot time, not to an arbitrary timestamp with the precision required. Requiring the snapshot date to match “today” is overly restrictive and does not satisfy point-in-time recovery needs.
- D
Perform a database-level rollback using transaction logs from the application server without using RDS restore features.
Why wrong: RDS transaction logs on the application server are not a reliable mechanism for managed point-in-time recovery of RDS storage. Additionally, you cannot assume the necessary log retention, ordering, and consistency guarantees to reconstruct the exact DB state at the target time.
SAA-C03 Design Resilient Architectures Practice Question
This SAA-C03 practice question tests your understanding of design resilient architectures. 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 production team accidentally deletes critical rows in an Amazon RDS for PostgreSQL database. The deletion occurred about 6 hours ago. The team wants to recover to a specific point in time with minimal disruption.
Assuming automated backups are enabled, which approach provides the best resilience outcome?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
Use point-in-time recovery (PITR) to restore a new DB instance to a timestamp shortly before the deletion, then switch application traffic to the restored instance.
Point-in-time recovery (PITR) allows you to restore a new DB instance to any second within the automated backup retention period, which includes transaction logs. By restoring to a timestamp just before the deletion, you recover the lost rows without affecting the current production instance, then switch traffic to the new instance for minimal disruption.
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.
- ✗
Restore the current DB instance in place by overwriting it with only the latest automated backup.
Why it's wrong here
Restoring only the latest automated backup typically returns the database to the backup time, not to an exact time before the deletion. It also overwrites the running environment immediately, which increases disruption risk and reduces the ability to verify before cutover.
- ✓
Use point-in-time recovery (PITR) to restore a new DB instance to a timestamp shortly before the deletion, then switch application traffic to the restored instance.
Why this is correct
With automated backups enabled, PITR allows restoring to a precise timestamp within the retention window. Creating a new DB instance (rather than overwriting production) enables verification of data correctness and then a controlled cutover, minimizing disruption while meeting the “specific point in time” requirement.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a manual snapshot and restore from it only if the snapshot date exactly matches today.
Why it's wrong here
Manual snapshots restore to the snapshot time, not to an arbitrary timestamp with the precision required. Requiring the snapshot date to match “today” is overly restrictive and does not satisfy point-in-time recovery needs.
- ✗
Perform a database-level rollback using transaction logs from the application server without using RDS restore features.
Why it's wrong here
RDS transaction logs on the application server are not a reliable mechanism for managed point-in-time recovery of RDS storage. Additionally, you cannot assume the necessary log retention, ordering, and consistency guarantees to reconstruct the exact DB state at the target time.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think restoring in place (Option A) is faster or simpler, but they overlook that PITR provides granular recovery without overwriting the production instance, which is the key to minimal disruption.
Detailed technical explanation
How to think about this question
RDS for PostgreSQL uses Write-Ahead Logging (WAL) to record all changes; automated backups store daily snapshots and transaction logs for up to 35 days. PITR replays WAL logs from the last snapshot to the specified timestamp, enabling recovery to any second within the retention window. In a real-world scenario, if the deletion occurred at 14:30, you would restore to 14:29:59 to capture all data just before the event, then update your application's connection string to the new endpoint.
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 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
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Design Resilient Architectures — This question tests Design Resilient Architectures — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use point-in-time recovery (PITR) to restore a new DB instance to a timestamp shortly before the deletion, then switch application traffic to the restored instance. — Point-in-time recovery (PITR) allows you to restore a new DB instance to any second within the automated backup retention period, which includes transaction logs. By restoring to a timestamp just before the deletion, you recover the lost rows without affecting the current production instance, then switch traffic to the new instance for minimal disruption.
What should I do if I get this SAA-C03 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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