- A
The storage account access key.
Why wrong: The account key grants broad access to the storage account.
- B
A service SAS scoped to the blob with read permission and an expiry time.
This is the least-privilege option for temporary, blob-specific access.
- C
A private endpoint to the storage account.
Why wrong: A private endpoint does not by itself grant the required authorization.
- D
Contributor access to the storage account.
Why wrong: Contributor is excessive and not limited to one blob.
Question 711 of 1,170
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 partner needs temporary read-only access to a single blob in a storage account for the next 24 hours. The partner must not be able to list other blobs or write data. What should you provide?
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 blob with read permission and an expiry time.
A service SAS scoped to a specific blob with read permission and an expiry time provides the exact temporary, read-only access required. It restricts access to only that blob, prevents listing other blobs, and automatically expires after 24 hours, meeting all security and functional requirements.
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.
- ✗
The storage account access key.
Why it's wrong here
The account key grants broad access to the storage account.
When this WOULD be correct
A question that requires full access to all storage account resources (e.g., for backup or migration) and does not restrict listing or write operations, and where temporary access is not a concern.
- ✓
A service SAS scoped to the blob with read permission and an expiry time.
Why this is correct
This is the least-privilege option for temporary, blob-specific access.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A private endpoint to the storage account.
Why it's wrong here
A private endpoint does not by itself grant the required authorization.
When this WOULD be correct
A question requiring secure, private connectivity to a storage account from a virtual network without exposing it to the public internet, such as 'You need to ensure that a storage account is only accessible from a specific VNet. What should you configure?'
- ✗
Contributor access to the storage account.
Why it's wrong here
Contributor is excessive and not limited to one blob.
When this WOULD be correct
A question requiring a partner to manage all blobs in a storage account (e.g., upload, delete, modify) for an indefinite period, with no need to restrict listing or scope to a single blob.
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.
✓A service SAS scoped to the blob with read permission and an expiry time.Correct answer▾
Why this is correct
This is the least-privilege option for temporary, blob-specific access.
✗The storage account access key.Wrong answer — click to see why▾
Why this is wrong here
The storage account access key provides full administrative access to the entire storage account, including the ability to list all blobs and write data, which violates the requirement for read-only access to a single blob and no listing capability.
★ When this WOULD be the correct answer
A question that requires full access to all storage account resources (e.g., for backup or migration) and does not restrict listing or write operations, and where temporary access is not a concern.
Why candidates choose this
Candidates may think the access key is a simple way to grant access, not realizing it provides unrestricted control over the entire storage account, far exceeding the limited permissions needed.
✗A private endpoint to the storage account.Wrong answer — click to see why▾
Why this is wrong here
A private endpoint provides secure network access to the storage account but does not enforce read-only or time-limited access to a single blob; it allows full access to the storage account over a private network.
★ When this WOULD be the correct answer
A question requiring secure, private connectivity to a storage account from a virtual network without exposing it to the public internet, such as 'You need to ensure that a storage account is only accessible from a specific VNet. What should you configure?'
Why candidates choose this
Candidates may think private endpoints inherently restrict access permissions, confusing network-level security with data-level authorization, and assume it provides granular access control.
✗Contributor access to the storage account.Wrong answer — click to see why▾
Why this is wrong here
Contributor access at the storage account level grants full read/write/list permissions to all blobs, violating the requirement to restrict access to a single blob with read-only and no list capability.
★ When this WOULD be the correct answer
A question requiring a partner to manage all blobs in a storage account (e.g., upload, delete, modify) for an indefinite period, with no need to restrict listing or scope to a single blob.
Why candidates choose this
Candidates may confuse Contributor role with read-only access, or assume that assigning a role is simpler than generating a SAS token, overlooking the granularity needed.
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 a service SAS with an account SAS or storage account keys, mistakenly thinking any SAS or key can be scoped, but only a service SAS can be scoped to a single blob with precise permissions and expiry.
Detailed technical explanation
How to think about this question
A service SAS is a URI that grants delegated access to a specific Azure Storage resource, such as a blob, with granular permissions (read, write, delete, list, etc.) and an expiry time. Under the hood, the SAS token is signed with the storage account key and includes parameters like 'sp=r' (read permission), 'spr=https' (protocol), and 'se=...' (expiry). In a real-world scenario, this is ideal for granting a partner temporary access to a specific file (e.g., a log or report) without exposing the rest of the storage account or requiring key rotation.
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.
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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 blob with read permission and an expiry time. — A service SAS scoped to a specific blob with read permission and an expiry time provides the exact temporary, read-only access required. It restricts access to only that blob, prevents listing other blobs, and automatically expires after 24 hours, meeting all security and functional requirements.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 11, 2026
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