- A
Keep the blobs in Hot tier permanently and delete them manually after each audit cycle.
Why wrong: Hot tier is immediately available, but it is more expensive than the team needs for infrequent access.
- B
Use a lifecycle management rule to move the blobs to Cool tier after 30 days.
Cool tier remains online and immediately readable, while costing less than Hot for infrequent access.
- C
Move the blobs to Archive tier after 30 days and rehydrate them when audits begin.
Why wrong: Archive requires rehydration before access, so it does not satisfy the immediate-read requirement.
- D
Store the files in Premium block blob storage and use snapshots for audit recovery.
Why wrong: Premium block blob storage is optimized for performance, not minimizing cost for infrequently accessed archives.
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage storage. 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. 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.
An archive team stores legal exhibits in Azure Blob Storage. The files are downloaded only during quarterly audits, but when an auditor needs one, it must be readable immediately without waiting for a rehydration job. The team wants the lowest practical cost after the first 30 days and does not want to move blobs manually each quarter. What should the administrator configure?
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:
"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 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
Use a lifecycle management rule to move the blobs to Cool tier after 30 days.
Option B is correct because Azure Blob Storage lifecycle management rules can automatically move blobs from Hot to Cool tier after 30 days, reducing storage costs while keeping data immediately accessible. Cool tier offers lower storage costs than Hot tier with the same low-latency read access, satisfying the requirement for instant auditor access without manual intervention.
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.
- ✗
Keep the blobs in Hot tier permanently and delete them manually after each audit cycle.
Why it's wrong here
Hot tier is immediately available, but it is more expensive than the team needs for infrequent access.
When this WOULD be correct
If the question required immediate deletion of blobs after each audit to comply with data retention policies, and the team had a process to automate deletion (e.g., via script or lifecycle rule), then manual deletion could be acceptable. However, the question explicitly states no manual moves.
- ✓
Use a lifecycle management rule to move the blobs to Cool tier after 30 days.
Why this is correct
Cool tier remains online and immediately readable, while costing less than Hot for infrequent access.
Clue confirmation
The clue words "first", "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Move the blobs to Archive tier after 30 days and rehydrate them when audits begin.
Why it's wrong here
Archive requires rehydration before access, so it does not satisfy the immediate-read requirement.
When this WOULD be correct
If the question stated that files are rarely accessed and a delay of several hours for retrieval is acceptable, and the priority is minimizing storage cost over access speed, then moving to Archive tier after 30 days would be correct.
- ✗
Store the files in Premium block blob storage and use snapshots for audit recovery.
Why it's wrong here
Premium block blob storage is optimized for performance, not minimizing cost for infrequently accessed archives.
When this WOULD be correct
An application requires consistently low latency (single-digit milliseconds) for frequent read and write operations, such as a real-time data processing pipeline. In that scenario, Premium block blob storage would be the correct choice to meet performance requirements.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-104 exam frequently reuses these exact scenarios with slightly different constraints.
✓Use a lifecycle management rule to move the blobs to Cool tier after 30 days.Correct answer▾
Why this is correct
Cool tier remains online and immediately readable, while costing less than Hot for infrequent access.
✗Keep the blobs in Hot tier permanently and delete them manually after each audit cycle.Wrong answer — click to see why▾
Why this is wrong here
This option requires manual deletion after each audit cycle, which violates the requirement to avoid manual intervention. Additionally, keeping blobs in Hot tier permanently incurs higher storage costs than using Cool tier after 30 days.
★ When this WOULD be the correct answer
If the question required immediate deletion of blobs after each audit to comply with data retention policies, and the team had a process to automate deletion (e.g., via script or lifecycle rule), then manual deletion could be acceptable. However, the question explicitly states no manual moves.
Why candidates choose this
Candidates may think manual deletion is a simple way to control costs, overlooking the automation requirement and the cost savings of Cool tier for infrequent access.
✗Move the blobs to Archive tier after 30 days and rehydrate them when audits begin.Wrong answer — click to see why▾
Why this is wrong here
Archive tier requires a rehydration job (which can take hours) to make blobs readable, contradicting the requirement that files must be readable immediately when an auditor needs them.
★ When this WOULD be the correct answer
If the question stated that files are rarely accessed and a delay of several hours for retrieval is acceptable, and the priority is minimizing storage cost over access speed, then moving to Archive tier after 30 days would be correct.
Why candidates choose this
Candidates may assume Archive tier is the cheapest option and overlook the immediate readability requirement, focusing only on cost savings without considering access latency.
✗Store the files in Premium block blob storage and use snapshots for audit recovery.Wrong answer — click to see why▾
Why this is wrong here
Premium block blob storage is designed for low-latency and high-performance workloads, not for cost-effective long-term archival storage. Snapshots add additional costs and do not address the need for immediate readability without rehydration, making this option more expensive and unnecessary for quarterly audits.
★ When this WOULD be the correct answer
An application requires consistently low latency (single-digit milliseconds) for frequent read and write operations, such as a real-time data processing pipeline. In that scenario, Premium block blob storage would be the correct choice to meet performance requirements.
Why candidates choose this
Candidates may think Premium storage offers faster access and snapshots provide recovery, but they overlook the cost and the fact that the question prioritizes low cost after 30 days, not high performance.
Analysis generated from the official AZ-104blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Archive tier's low storage cost with immediate accessibility, forgetting that Archive requires a rehydration step that can take hours, while Cool tier provides instant access at a slightly higher but still cost-effective rate.
Detailed technical explanation
How to think about this question
Azure lifecycle management rules use JSON-defined policies with 'baseBlob' filters and 'tierToCool' actions, triggered daily. The Cool tier offers the same 99.9% SLA and millisecond read latency as Hot tier but at approximately 50% lower storage cost, making it ideal for quarterly-accessed data. Note that Cool tier has a 30-day minimum storage duration charge, which aligns perfectly with the 30-day transition rule.
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.
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FAQ
Questions learners often ask
What does this AZ-104 question test?
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: Use a lifecycle management rule to move the blobs to Cool tier after 30 days. — Option B is correct because Azure Blob Storage lifecycle management rules can automatically move blobs from Hot to Cool tier after 30 days, reducing storage costs while keeping data immediately accessible. Cool tier offers lower storage costs than Hot tier with the same low-latency read access, satisfying the requirement for instant auditor access without manual intervention.
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: "first", "immediately / without restart". 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.
About these practice questions
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Last reviewed: Jun 11, 2026
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