- A
Perform a point-in-time restore to a timestamp within the automated backup window.
Point-in-time restore lets RDS recover to a specific time, which matches the “45 minutes ago” requirement.
- B
Restore only from the latest daily snapshot, then manually undo the last hour’s changes.
Why wrong: Latest snapshot granularity is typically not specific enough for restoring to 45 minutes ago precisely.
- C
Increase Multi-AZ to generate a new standby and redirect traffic back to the previous primary state.
Why wrong: Multi-AZ provides HA, not historical data recovery to a prior timestamp state.
- D
Stop the database and change the application to ignore the table going forward.
Why wrong: This prevents future incorrect reads but does not restore historical data back to 45 minutes ago.
SAA-C03 Design Resilient Architectures Practice Question
This SAA-C03 practice question tests your understanding of design resilient architectures. 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.
A production Amazon RDS database has automated backups enabled. An application mistakenly updates a table and the issue is discovered one hour later. The team needs to restore the database to the exact state it had 45 minutes ago. Which approach best meets the requirement?
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
Perform a point-in-time restore to a timestamp within the automated backup window.
Amazon RDS Point-in-Time Recovery (PITR) allows you to restore a DB instance to any specific second within the automated backup retention period, which includes the transaction logs needed to reconstruct the database state at the desired time. Since the issue is discovered one hour after the mistaken update, PITR can restore the database to exactly 45 minutes ago by replaying binary logs up to that precise timestamp, meeting the requirement without data loss.
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.
- ✓
Perform a point-in-time restore to a timestamp within the automated backup window.
Why this is correct
Point-in-time restore lets RDS recover to a specific time, which matches the “45 minutes ago” 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.
- ✗
Restore only from the latest daily snapshot, then manually undo the last hour’s changes.
Why it's wrong here
Latest snapshot granularity is typically not specific enough for restoring to 45 minutes ago precisely.
- ✗
Increase Multi-AZ to generate a new standby and redirect traffic back to the previous primary state.
Why it's wrong here
Multi-AZ provides HA, not historical data recovery to a prior timestamp state.
- ✗
Stop the database and change the application to ignore the table going forward.
Why it's wrong here
This prevents future incorrect reads but does not restore historical data back to 45 minutes ago.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse automated backups with manual snapshots or assume Multi-AZ provides recovery capabilities, but Multi-AZ only ensures failover, not point-in-time restoration, and PITR requires transaction logs, not just snapshots.
Detailed technical explanation
How to think about this question
RDS PITR works by restoring from the latest automated snapshot and then applying transaction logs (binary logs for MySQL/MariaDB, WAL segments for PostgreSQL) up to the specified time. The automated backup window is the period when daily snapshots are taken, but PITR can target any time within the retention period (default 7 days, max 35 days) because continuous log archiving captures every change. In production, this is critical for recovering from logical errors like accidental UPDATE or DELETE statements, as it avoids the need for manual data reconstruction.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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: Perform a point-in-time restore to a timestamp within the automated backup window. — Amazon RDS Point-in-Time Recovery (PITR) allows you to restore a DB instance to any specific second within the automated backup retention period, which includes the transaction logs needed to reconstruct the database state at the desired time. Since the issue is discovered one hour after the mistaken update, PITR can restore the database to exactly 45 minutes ago by replaying binary logs up to that precise timestamp, meeting the requirement without data loss.
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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