- A
Hot
Why wrong: Hot tier is designed for data accessed frequently, but it incurs higher storage costs than Cool tier, so it is not optimal for infrequently accessed data.
- B
Cool
Cool tier is optimized for data that is accessed infrequently (a few times per month) but still needs immediate availability. It has lower storage cost than Hot tier and no retrieval delay.
- C
Archive
Why wrong: Archive tier has the lowest storage cost but requires hours to rehydrate data before it can be accessed. It is not suitable for data that needs to be available within seconds.
- D
Premium
Why wrong: Premium tier is designed for high-performance, low-latency workloads and is significantly more expensive. It is not cost-effective for infrequently accessed data.
Question 360 of 997
AZ-204 Develop for Azure storage Practice Question
This AZ-204 practice question tests your understanding of develop for azure storage. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
You are building a web application that allows users to upload profile pictures. The images are up to 5 MB in size and must be stored durably. The images are accessed infrequently after upload (a few times per month). You want to minimize storage costs while ensuring the data is available within seconds when requested. Which Azure Blob Storage access tier should you use for the blob container?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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
✓
Cool
The Cool tier is the optimal choice because the images are accessed infrequently (a few times per month) and are up to 5 MB in size. Cool tier offers lower storage cost than Hot tier while still providing sub-second latency for data retrieval, meeting the requirement of availability within seconds. Archive tier would have the lowest storage cost but incurs a multi-hour rehydration delay, violating the seconds-level availability requirement.
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.
- ✗
Hot
Why it's wrong here
Hot tier is designed for data accessed frequently, but it incurs higher storage costs than Cool tier, so it is not optimal for infrequently accessed data.
- ✓
Cool
Why this is correct
Cool tier is optimized for data that is accessed infrequently (a few times per month) but still needs immediate availability. It has lower storage cost than Hot tier and no retrieval delay.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Archive
Why it's wrong here
Archive tier has the lowest storage cost but requires hours to rehydrate data before it can be accessed. It is not suitable for data that needs to be available within seconds.
- ✗
Premium
Why it's wrong here
Premium tier is designed for high-performance, low-latency workloads and is significantly more expensive. It is not cost-effective for infrequently accessed data.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose Archive tier thinking it is the cheapest option, overlooking the critical requirement that data must be available within seconds, which Archive cannot provide due to its mandatory rehydration latency.
Detailed technical explanation
How to think about this question
Under the hood, Azure Blob Storage access tiers are managed at the blob level and affect both storage pricing and access latency. The Cool tier uses lower-cost storage media and has a higher per-GB retrieval cost (read/ write operations) compared to Hot, but for infrequent access patterns the storage savings outweigh the retrieval costs. A real-world scenario: a social media app storing user profile pictures that are only viewed on profile page visits (a few times per month) would benefit from Cool tier, as the data is still immediately accessible via standard HTTP GET requests without any rehydration step.
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 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.
Quick reference
Azure Blob Storage Tier Comparison
| Tier | Storage Cost | Retrieval Cost | Latency | Use Case |
|---|---|---|---|---|
| Hot | Highest | Lowest | Immediate | Active data, frequent reads |
| Cool | Lower | Higher | Immediate | Data accessed < once / month |
| Cold | Lower still | Higher | Immediate | Data accessed < once / quarter |
| Archive | Lowest | Highest + rehydration delay | Hours | Long-term compliance retention |
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.
- →
Develop for Azure storage — study guide chapter
Learn the concepts, then practise the questions
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Develop for Azure storage practice questions
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FAQ
Questions learners often ask
What does this AZ-204 question test?
Develop for Azure storage — This question tests Develop for Azure storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cool — The Cool tier is the optimal choice because the images are accessed infrequently (a few times per month) and are up to 5 MB in size. Cool tier offers lower storage cost than Hot tier while still providing sub-second latency for data retrieval, meeting the requirement of availability within seconds. Archive tier would have the lowest storage cost but incurs a multi-hour rehydration delay, violating the seconds-level availability requirement.
What should I do if I get this AZ-204 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: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 11, 2026
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