Question 61 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. 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 contractor needs to upload data into one specific blob container for six hours. The administrator must avoid sharing the storage account key and should grant only the minimum permissions needed. Which access method should be used?

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 1mediummultiple choice

Full question →

A
A service SAS scoped to the container with write permission and an expiry time in six hours.
A service SAS can be scoped to a single container, limited to the needed permissions, and set to expire automatically. That makes it the best fit for temporary contractor upload access without exposing the full storage account key.
B
The storage account access key, because it is easier to revoke later.
Why wrong: The account key grants broad access to the entire account and is not least privilege. It also creates unnecessary exposure for a temporary contractor task.
C
A shared key rotation policy, because it grants time-limited access to one container.
Why wrong: Rotating keys is a maintenance process, not an access method. It does not provide container-level scoping or time-limited contractor access.
D
A user-assigned managed identity assigned to the contractor’s laptop.
Why wrong: Managed identities are used for Azure resources, not for a contractor-owned laptop. They also would not automatically grant external temporary upload rights in this scenario.

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

✓

A service SAS scoped to the container with write permission and an expiry time in six hours.

A service SAS scoped to the container with write permission and an expiry time of six hours is correct because it provides time-limited, delegated access to a specific blob container without exposing the storage account key. This meets the requirement of granting only the minimum permissions needed (write) for the six-hour duration, and the SAS can be revoked by regenerating the storage account key if necessary.

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.

✓
A service SAS scoped to the container with write permission and an expiry time in six hours.
Why this is correct
A service SAS can be scoped to a single container, limited to the needed permissions, and set to expire automatically. That makes it the best fit for temporary contractor upload access without exposing the full storage account key.
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.
✗
The storage account access key, because it is easier to revoke later.
Why it's wrong here
The account key grants broad access to the entire account and is not least privilege. It also creates unnecessary exposure for a temporary contractor task.
✗
A shared key rotation policy, because it grants time-limited access to one container.
Why it's wrong here
Rotating keys is a maintenance process, not an access method. It does not provide container-level scoping or time-limited contractor access.
✗
A user-assigned managed identity assigned to the contractor’s laptop.
Why it's wrong here
Managed identities are used for Azure resources, not for a contractor-owned laptop. They also would not automatically grant external temporary upload rights in this scenario.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse a service SAS with a stored access policy, or they mistakenly think a managed identity can be assigned to an external device, when in reality managed identities are only for Azure resources and require Azure AD integration.

Trap categories for this question

Scenario analysis trap
Managed identities are used for Azure resources, not for a contractor-owned laptop. They also would not automatically grant external temporary upload rights in this scenario.

Detailed technical explanation

How to think about this question

A service SAS is generated using the storage account key or a user delegation key, and its permissions are defined in a signed permissions field (e.g., 'w' for write) with an expiry time set in the signed expiry field. The SAS token is appended to the blob container URL (e.g., https://<account>.blob.core.windows.net/<container>?sv=2018-03-28&se=2023-01-01T12:00Z&sp=w&sig=...), and Azure Storage validates the token on each request. A subtle behavior is that SAS tokens can be scoped to a specific container, blob, or even a directory in ADLS Gen2, but they cannot be revoked individually without regenerating the storage account key, so the six-hour expiry is critical for time-bound 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 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: A service SAS scoped to the container with write permission and an expiry time in six hours. — A service SAS scoped to the container with write permission and an expiry time of six hours is correct because it provides time-limited, delegated access to a specific blob container without exposing the storage account key. This meets the requirement of granting only the minimum permissions needed (write) for the six-hour duration, and the SAS can be revoked by regenerating the storage account key if necessary.

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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