- A
Enable S3 Intelligent-Tiering on the bucket.
Correct. Intelligent-Tiering is designed for objects with uncertain or changing access patterns. It automatically moves data between access tiers, reducing the need for manual guessing and avoiding overpaying for standard storage.
- B
Keep all objects in S3 Standard because lifecycle transitions add too much management.
Why wrong: Incorrect. S3 Standard is the most expensive common general-purpose class, so keeping everything there defeats the cost objective. The workload description specifically suggests that access patterns change over time.
- C
Add a lifecycle rule to move very old objects to S3 Glacier Deep Archive when minute-level retrieval is no longer required.
Correct. Deep Archive is the cheapest destination for very cold binaries that do not need fast restores. Pairing lifecycle transitions with Intelligent-Tiering gives a good cost profile across both uncertain and truly cold phases.
- D
Copy all binaries to Amazon EFS so retrieval is faster.
Why wrong: Incorrect. EFS is a shared file system, not a low-cost object archive. Copying binary uploads to EFS would usually increase cost and introduce the wrong storage model for this access pattern.
- E
Disable versioning because S3 Intelligent-Tiering needs it to work.
Why wrong: Incorrect. Intelligent-Tiering does not require versioning to function. Turning off versioning also does not address the core issue, which is matching storage cost to changing access frequency.
SAA-C03 Design Cost-Optimized Architectures Practice Question
This SAA-C03 practice question tests your understanding of design cost-optimized architectures. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. A key principle to apply: s3 Intelligent-Tiering automatically moves objects between two access tiers.. 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.
An application stores user-uploaded binaries in S3. Access is unpredictable for the first month, then most objects become cold. The team wants the cheapest approach that avoids manually guessing access patterns. Which two actions are best? Select two.
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.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
Enable S3 Intelligent-Tiering on the bucket.
A is correct because S3 Intelligent-Tiering automatically moves objects between access tiers based on changing access patterns, eliminating the need to manually guess or configure lifecycle rules. It charges a small monthly monitoring fee per object but avoids the higher cost of keeping cold data in S3 Standard, making it the cheapest hands-off approach for unpredictable access followed by cold storage.
Key principle: S3 Intelligent-Tiering automatically moves objects between two access tiers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Enable S3 Intelligent-Tiering on the bucket.
Why this is correct
Correct. Intelligent-Tiering is designed for objects with uncertain or changing access patterns. It automatically moves data between access tiers, reducing the need for manual guessing and avoiding overpaying for standard storage.
Clue confirmation
The clue words "best", "first" in the question point toward this answer.
Related concept
S3 Intelligent-Tiering automatically moves objects between two access tiers.
- ✗
Keep all objects in S3 Standard because lifecycle transitions add too much management.
Why it's wrong here
Incorrect. S3 Standard is the most expensive common general-purpose class, so keeping everything there defeats the cost objective. The workload description specifically suggests that access patterns change over time.
- ✓
Add a lifecycle rule to move very old objects to S3 Glacier Deep Archive when minute-level retrieval is no longer required.
Why this is correct
Correct. Deep Archive is the cheapest destination for very cold binaries that do not need fast restores. Pairing lifecycle transitions with Intelligent-Tiering gives a good cost profile across both uncertain and truly cold phases.
Clue confirmation
The clue words "best", "first" in the question point toward this answer.
Related concept
S3 Intelligent-Tiering automatically moves objects between two access tiers.
- ✗
Copy all binaries to Amazon EFS so retrieval is faster.
Why it's wrong here
Incorrect. EFS is a shared file system, not a low-cost object archive. Copying binary uploads to EFS would usually increase cost and introduce the wrong storage model for this access pattern.
- ✗
Disable versioning because S3 Intelligent-Tiering needs it to work.
Why it's wrong here
Incorrect. Intelligent-Tiering does not require versioning to function. Turning off versioning also does not address the core issue, which is matching storage cost to changing access frequency.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is assuming that lifecycle rules require manual guessing of access patterns, when S3 Intelligent-Tiering automates this without upfront configuration, and that versioning is a prerequisite for Intelligent-Tiering, which it is not.
Detailed technical explanation
How to think about this question
S3 Intelligent-Tiering monitors access at the object level and moves data between four access tiers: Frequent Access, Infrequent Access, Archive Instant Access, and Deep Archive Access, with a 30-day minimum in each tier before further transitions. The service charges a per-object monitoring fee (currently $0.0025 per 1,000 objects) but no retrieval costs for tier transitions, making it ideal for unpredictable patterns. In real-world scenarios, this is commonly used for user-generated content like media uploads where access spikes initially then drops off.
KKey Concepts to Remember
- S3 Intelligent-Tiering automatically moves objects between two access tiers.
- It is ideal for data with unknown or changing access patterns.
- No retrieval fees when moving between Intelligent-Tiering access tiers.
- It includes a small monthly monitoring and automation fee per object.
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
S3 Intelligent-Tiering automatically moves objects between two access tiers.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Review s3 Intelligent-Tiering automatically moves objects between two access tiers., then practise related SAA-C03 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Design Cost-Optimized Architectures — This question tests Design Cost-Optimized Architectures — S3 Intelligent-Tiering automatically moves objects between two access tiers..
What is the correct answer to this question?
The correct answer is: Enable S3 Intelligent-Tiering on the bucket. — A is correct because S3 Intelligent-Tiering automatically moves objects between access tiers based on changing access patterns, eliminating the need to manually guess or configure lifecycle rules. It charges a small monthly monitoring fee per object but avoids the higher cost of keeping cold data in S3 Standard, making it the cheapest hands-off approach for unpredictable access followed by cold storage.
What should I do if I get this SAA-C03 question wrong?
Review s3 Intelligent-Tiering automatically moves objects between two access tiers., then practise related SAA-C03 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "best", "first". 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?
S3 Intelligent-Tiering automatically moves objects between two access tiers.
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Last reviewed: Jun 11, 2026
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