Question 918 of 1,170

Implement and Manage Storage →mediumMultiple SelectObjective-mapped

AZ-104 Implement and Manage Storage Practice Question

This AZ-104 practice question tests your understanding of implement and manage storage. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 team moved blob data to the Archive tier to minimize cost. They now need to restore a few files for an audit. Which two statements are true about accessing archived blobs? Select two.

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.

Question 1mediummulti select

Full question →

A
Archived blobs can be read immediately through normal blob reads.
Why wrong: Incorrect. Archive data is offline, so a standard read fails until the blob is rehydrated.
B
Rehydration is required before the blob can be read or copied.
Correct. Archive blobs must be rehydrated before they become readable or available for copy operations.
C
Rehydration can target Hot or Cool access tier.
Correct. You can rehydrate archived data into either Hot or Cool, depending on retrieval needs.
D
Archive tier provides the fastest retrieval time.
Why wrong: Incorrect. Archive has the slowest retrieval behavior because data must first be restored online.
E
Changing a blob from Archive to Hot completes instantly and synchronously.
Why wrong: Incorrect. Archive rehydration takes time and is not an instantaneous synchronous tier change.

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

✓

Rehydration is required before the blob can be read or copied.

Archived blobs are in an offline state and cannot be read or copied directly. They must first be rehydrated to an online tier (Hot or Cool) through a process that changes the blob's tier or copies it to a new online blob. This rehydration process is asynchronous and takes time, depending on the priority set.

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.

✗
Archived blobs can be read immediately through normal blob reads.
Why it's wrong here
Incorrect. Archive data is offline, so a standard read fails until the blob is rehydrated.
✓
Rehydration is required before the blob can be read or copied.
Why this is correct
Correct. Archive blobs must be rehydrated before they become readable or available for copy operations.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✓
Rehydration can target Hot or Cool access tier.
Why this is correct
Correct. You can rehydrate archived data into either Hot or Cool, depending on retrieval needs.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Archive tier provides the fastest retrieval time.
Why it's wrong here
Incorrect. Archive has the slowest retrieval behavior because data must first be restored online.
✗
Changing a blob from Archive to Hot completes instantly and synchronously.
Why it's wrong here
Incorrect. Archive rehydration takes time and is not an instantaneous synchronous tier change.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume archived blobs can be read immediately or that tier changes are instant, confusing the Archive tier's offline state with the online Cool or Hot tiers.

Detailed technical explanation

How to think about this question

Rehydration involves moving the blob from the offline Archive tier to an online tier (Hot or Cool) by changing its tier or copying it. The process uses Azure's internal data movement, and you can set a priority (Standard or High) to influence the retrieval time, which can range from 1 to 15 hours for Standard priority. This is critical for compliance scenarios where data must be restored within specific SLAs.

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 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: Rehydration is required before the blob can be read or copied. — Archived blobs are in an offline state and cannot be read or copied directly. They must first be rehydrated to an online tier (Hot or Cool) through a process that changes the blob's tier or copies it to a new online blob. This rehydration process is asynchronous and takes time, depending on the priority set.

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: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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