This AZ-104 practice question tests your understanding of implement and manage 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 have a storage account that stores infrequently accessed data that must remain available immediately when requested. You need to minimize storage costs. Which access tier should you use?
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.
Clue: "immediately / without restart"
Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
Premium
Why wrong: Premium is optimized for high performance, not cost minimization for infrequently accessed data.
Hot
Why wrong: Hot is more expensive for data that is rarely accessed.
Cool
Cool is appropriate for infrequently accessed data that still needs immediate availability.
Archive
Why wrong: Archive is cheaper for long-term retention but does not support immediate access without rehydration.
Answer choices
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 access tier is designed for data that is infrequently accessed but still requires immediate availability when requested, offering lower storage costs than the Hot tier while maintaining low latency access. Since the data must remain available immediately, the Archive tier is unsuitable due to its multi-hour retrieval latency, and the Premium tier is optimized for high-performance scenarios, not cost minimization.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Premium
Why it's wrong here
Premium is optimized for high performance, not cost minimization for infrequently accessed data.
Hot
Why it's wrong here
Hot is more expensive for data that is rarely accessed.
Cool
Why this is correct
Cool is appropriate for infrequently accessed data that still needs immediate availability.
Clue confirmation
The clue words "minimum / minimize", "immediately / without restart" 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 is cheaper for long-term retention but does not support immediate access without rehydration.
Common exam traps
The trap here is that candidates often choose Archive for its lowest storage cost, overlooking the critical requirement for immediate availability, which Archive cannot provide due to its mandatory rehydration latency.
Detailed technical explanation
Azure Storage access tiers (Hot, Cool, Cold, Archive) are managed at the blob level, with Cool tier offering a lower per-GB storage price (approximately 40-50% less than Hot) but higher per-operation read costs, making it ideal for data accessed less than once per month. Under the hood, Cool tier data is stored on HDD-based infrastructure with geo-redundant options, and the transition between tiers can be automated using lifecycle management policies with rules based on last modification or access time. A real-world scenario is storing backup files or old media assets that are rarely accessed but must be instantly available for compliance or audit requests.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Implement and Manage Storage — This question tests Implement and Manage Storage — Read the scenario before looking for a memorised answer..
The correct answer is: Cool — The Cool access tier is designed for data that is infrequently accessed but still requires immediate availability when requested, offering lower storage costs than the Hot tier while maintaining low latency access. Since the data must remain available immediately, the Archive tier is unsuitable due to its multi-hour retrieval latency, and the Premium tier is optimized for high-performance scenarios, not cost minimization.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "minimum / minimize", "immediately / without restart". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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