Question 650 of 1,170

Implement and Manage Storage →mediumMultiple ChoiceObjective-mapped

AZ-104 Implement and Manage Storage Practice Question

This AZ-104 practice question tests your understanding of implement and manage storage. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 support engineer must download a blob that was moved to the Archive tier by a lifecycle rule. The file must be available as soon as possible for an investigation. What should the engineer do first?

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.

Question 1mediummultiple choice

Full question →

A
Download the blob directly from the Archive tier because archived blobs are always online.
Why wrong: Archive tier data is offline and cannot be downloaded immediately. The blob must be rehydrated before normal access is possible.
B
Change the blob's tier to Hot or Cool and wait for rehydration to complete.
Archived blobs are stored offline, so they must be rehydrated before the data can be read or downloaded. Changing the tier to Hot or Cool starts that process. If the engineer needs the blob available as quickly as possible, the appropriate administrative action is to initiate rehydration rather than trying to access the file directly from Archive.
C
Move the blob to a different container in the same account to make it downloadable immediately.
Why wrong: Moving a blob between containers does not bypass Archive tier behavior. The blob still needs rehydration before it can be read.
D
Disable the lifecycle rule so the blob becomes immediately readable again.
Why wrong: Disabling the rule prevents future transitions, but it does not restore access to a blob already in the Archive tier.

Full breakdown with real-world context →

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

✓

Change the blob's tier to Hot or Cool and wait for rehydration to complete.

Option B is correct because blobs in the Archive tier are offline and must be rehydrated to a Hot or Cool tier before they can be accessed. Rehydration can take up to 15 hours, but setting the tier to Hot or Cool initiates the process, making the blob available as soon as possible for investigation.

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.

✗
Download the blob directly from the Archive tier because archived blobs are always online.
Why it's wrong here
Archive tier data is offline and cannot be downloaded immediately. The blob must be rehydrated before normal access is possible.
✓
Change the blob's tier to Hot or Cool and wait for rehydration to complete.
Why this is correct
Archived blobs are stored offline, so they must be rehydrated before the data can be read or downloaded. Changing the tier to Hot or Cool starts that process. If the engineer needs the blob available as quickly as possible, the appropriate administrative action is to initiate rehydration rather than trying to access the file directly from Archive.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Move the blob to a different container in the same account to make it downloadable immediately.
Why it's wrong here
Moving a blob between containers does not bypass Archive tier behavior. The blob still needs rehydration before it can be read.
✗
Disable the lifecycle rule so the blob becomes immediately readable again.
Why it's wrong here
Disabling the rule prevents future transitions, but it does not restore access to a blob already in the Archive tier.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may assume archived blobs are still accessible for download or that lifecycle rules can be disabled to instantly restore access, but Azure requires explicit tier change and rehydration before any read operation.

Detailed technical explanation

How to think about this question

The Archive tier uses Azure Blob Storage's offline storage, where blobs are stored on tape or other cold media, requiring a rehydration operation that changes the blob's tier to Hot or Cool. Rehydration involves copying the blob to an online tier, and during this process, the blob's status changes from 'archived' to 'rehydrate-pending' until completion. In a real-world scenario, if an investigation requires immediate access, the engineer should use the 'Set Blob Tier' REST API or Azure Portal to initiate rehydration, and optionally set the rehydration priority to 'High' to reduce the wait time from 15 hours to under 1 hour.

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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

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 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: Change the blob's tier to Hot or Cool and wait for rehydration to complete. — Option B is correct because blobs in the Archive tier are offline and must be rehydrated to a Hot or Cool tier before they can be accessed. Rehydration can take up to 15 hours, but setting the tier to Hot or Cool initiates the process, making the blob available as soon as possible for investigation.

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". 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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