- A
Hot tier
Correct. The Hot tier is optimized for frequent access, offering low latency and the highest storage cost but no retrieval cost, which is cost-effective for the high-access initial month.
- B
Cool tier
Why wrong: Incorrect. Cool tier has lower storage cost but higher retrieval cost and is intended for infrequently accessed data. Using Cool for frequent access would incur high retrieval charges.
- C
Archive tier
Why wrong: Incorrect. Archive tier is for long-term backup and data that is rarely accessed. Retrieval can take hours, which is unsuitable for frequently accessed photos.
- D
Premium tier
Why wrong: Incorrect. Premium tier provides low latency and high throughput but at a significantly higher cost. It is designed for high transaction workloads, not general-purpose frequent access.
Quick Answer
The answer is the Hot access tier. This is correct because Azure Blob Storage’s Hot tier is designed for data that is accessed or modified frequently, offering low-latency read and write operations at a lower cost than the Premium tier, which is reserved for high-throughput or transactional workloads. For the first month, when user-submitted profile photos are accessed often, the Hot tier minimizes cost while meeting the performance requirement. On the DP-900 exam, this scenario tests your understanding of how access tiers map to data lifecycle patterns—a common trap is choosing Cool tier for the initial month because it seems cheaper, but Cool tier incurs higher access costs and is optimized for infrequent retrieval, not frequent reads. Remember the memory tip: “Hot for heavy traffic, Cool for the pool” — if data is actively used, keep it Hot; once it cools down in usage, move it to Cool.
DP-900 Practice Question: Describe considerations for working with non-relational data on Azure
This DP-900 practice question tests your understanding of describe considerations for working with non-relational data on azure. 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.
A company stores user-submitted profile photos. Each photo is accessed frequently for the first month after upload, then accessed rarely for the next year. After one year, the photos are deleted. Which Azure Blob Storage access tier should be used for the first month to minimize cost while ensuring low-latency access?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
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.
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
Hot tier
The Hot tier is correct because it provides low-latency access and is optimized for frequent read/write operations, which matches the requirement of frequent access during the first month. It minimizes cost compared to Premium (which is for high-throughput scenarios) while still offering the necessary performance for user-submitted profile photos.
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 tier
Why this is correct
Correct. The Hot tier is optimized for frequent access, offering low latency and the highest storage cost but no retrieval cost, which is cost-effective for the high-access initial month.
Clue confirmation
The clue words "first", "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Cool tier
Why it's wrong here
Incorrect. Cool tier has lower storage cost but higher retrieval cost and is intended for infrequently accessed data. Using Cool for frequent access would incur high retrieval charges.
- ✗
Archive tier
Why it's wrong here
Incorrect. Archive tier is for long-term backup and data that is rarely accessed. Retrieval can take hours, which is unsuitable for frequently accessed photos.
- ✗
Premium tier
Why it's wrong here
Incorrect. Premium tier provides low latency and high throughput but at a significantly higher cost. It is designed for high transaction workloads, not general-purpose frequent access.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose Cool tier thinking it balances cost and access, but they overlook the frequent access pattern in the first month, which makes Hot tier cheaper due to lower access costs and no early deletion penalty.
Detailed technical explanation
How to think about this question
Azure Blob Storage access tiers (Hot, Cool, Archive) are managed at the blob level and have different pricing for storage and access; the Hot tier charges higher storage costs but lower access costs, while Cool and Archive have lower storage costs but higher access and early deletion penalties. Under the hood, the Hot tier keeps data on fast HDDs or SSDs in the same region, ensuring single-digit millisecond latency for first-byte read times, which is critical for user-facing profile photos. A real-world scenario where this matters is a social media app where profile photos are frequently viewed immediately after upload, and using Cool tier would incur higher per-GB read costs and potential performance degradation.
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.
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 DP-900 question test?
Describe considerations for working with non-relational data on Azure — This question tests Describe considerations for working with non-relational data on Azure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Hot tier — The Hot tier is correct because it provides low-latency access and is optimized for frequent read/write operations, which matches the requirement of frequent access during the first month. It minimizes cost compared to Premium (which is for high-throughput scenarios) while still offering the necessary performance for user-submitted profile photos.
What should I do if I get this DP-900 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: "first", "minimum / minimize". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
This DP-900 practice question is part of Courseiva's free Microsoft 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 DP-900 exam.
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