The answer is the Cool tier. This is correct because the Cool tier is specifically designed for infrequently accessed data that must remain online with immediate, low-latency retrieval, unlike the Archive tier which requires hours to rehydrate data before it can be accessed. On the AZ-104 exam, this scenario tests your understanding of Azure Blob Storage access tiers and the critical distinction between online tiers (Hot and Cool) and offline tiers (Archive and Cold). A common trap is assuming that "rarely read" automatically means Archive, but the requirement for "immediate availability" disqualifies Archive since it has a significant retrieval delay. For a memory tip, remember: if data must be online and instantly accessible, it cannot be in Archive—Cool is the cost-effective online choice for rare but urgent access.
AZ-104 Implement and Manage Storage Practice Question
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.
A legal team stores archived case files in Azure Blob Storage. The files are rarely read, but they must remain online and available immediately when needed. Which access tier should the administrator use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cool tier
The Cool tier is designed for data that is infrequently accessed but must remain online with low-latency retrieval. Archived case files that are rarely read but need immediate availability fit this profile, as Cool tier offers lower storage costs than Hot tier while still providing millisecond access times.
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 it's wrong here
Hot tier is intended for frequent access and usually costs more for storage than colder options.
✓
Cool tier
Why this is correct
Cool tier is designed for infrequently accessed data that still needs to stay online and be available immediately without rehydration.
Clue confirmation
The clue word "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Archive tier
Why it's wrong here
Archive tier is offline, so data is not immediately available and must be rehydrated before reading.
✗
Premium tier
Why it's wrong here
Premium is optimized for low latency and high performance, which is unnecessary for rarely accessed archive files.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose Archive tier for 'archived' data without reading the 'available immediately' requirement, missing that Archive tier requires rehydration and cannot serve data on demand.
Detailed technical explanation
How to think about this question
Azure Blob Storage access tiers use different storage media and replication strategies: Hot and Cool tiers store data on SSDs or high-speed HDDs with instant access, while Archive tier uses offline tape-like storage with a rehydration process that moves data back to Hot or Cool tier. The Cool tier has a 30-day minimum storage duration and a higher early deletion fee, which is acceptable for archived files that are rarely deleted. In a real-world scenario, a legal team might use lifecycle management policies to automatically move files from Hot to Cool after 30 days of no access.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-104 question in full detail.
Implement and Manage Storage — This question tests Implement and Manage Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cool tier — The Cool tier is designed for data that is infrequently accessed but must remain online with low-latency retrieval. Archived case files that are rarely read but need immediate availability fit this profile, as Cool tier offers lower storage costs than Hot tier while still providing millisecond access times.
What should I do if I get this AZ-104 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: "immediately / without restart". Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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