- A
Provide the storage account key to the partner and instruct them to use it in their application.
Why wrong: Storage account key provides full access and is a static credential.
- B
Configure the storage firewall to allow access only from the partner's public IP address.
IP restriction adds a layer of defense, limiting access to known IPs.
- C
Generate a user-delegation SAS token with Write permission for the container and set an expiration time.
User-delegation SAS uses Azure AD credentials and can be scoped and short-lived.
- D
Create a managed identity for the partner's application and grant it the Storage Blob Data Contributor role.
Why wrong: Managed identities are for Azure resources, not external applications.
- E
Assign the Storage Blob Data Contributor RBAC role to the partner's Azure AD application.
Why wrong: If the partner can authenticate with Azure AD, this is possible, but the question implies they are external and may not have Azure AD. Also, role assignment is not scoped to a container without hierarchical namespace.
Quick Answer
The answer is to generate a user-delegation SAS token with Write permission for the container and restrict access to the partner’s public IP. A user-delegation SAS is secured with Azure AD credentials rather than the storage account key, allowing you to grant least-privilege, time-bound access to a specific container without embedding static credentials in the partner’s code. This approach directly addresses the need for secure external partner access while avoiding the over-permissive storage account key or the impracticality of a managed identity for non-Azure resources. On the AZ-500 exam, this scenario tests your understanding of shared access signatures versus RBAC—remember that user-delegation SAS is ideal for external partners who cannot authenticate via Azure AD, while RBAC works only for Azure AD-authenticated identities. A common trap is choosing the storage account key for simplicity; instead, always pair a user-delegation SAS with an IP restriction to enforce network-level control. Memory tip: “Delegation for outsiders, RBAC for insiders.”
AZ-500 Secure compute, storage, and databases Practice Question
This AZ-500 practice question tests your understanding of secure compute, storage, and databases. 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.
You are configuring secure access to Azure Blob Storage for a third-party partner application that runs outside Azure. The partner needs to upload files to a specific container. You want to grant least-privilege access without storing static credentials in the partner's code. Which TWO actions should you take? (Choose TWO.)
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"least"Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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
Configure the storage firewall to allow access only from the partner's public IP address.
Option A (create a managed identity) cannot be used for external partners; managed identities are for Azure resources. Option B (user-delegation SAS) is correct because it can be created with Azure AD credentials and scoped to a container with write permission. Option C (storage account key) is too permissive. Option D (RBAC role assignment) is correct if the partner can authenticate with Azure AD; but if they are external, a user-delegation SAS is better. However, the question says 'without storing static credentials', so a SAS token can be generated programmatically and short-lived. Option E (IP restriction) is a good additional control but not sufficient alone. The best two are user-delegation SAS (B) and RBAC role assignment (D) if partner uses Azure AD. But the question says 'without storing static credentials', so RBAC with managed identity is not applicable for external partner. Therefore, the correct answers are: generate a user-delegation SAS with Write permission (B) and restrict access to the partner's public IP (E).
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Provide the storage account key to the partner and instruct them to use it in their application.
Why it's wrong here
Storage account key provides full access and is a static credential.
- ✓
Configure the storage firewall to allow access only from the partner's public IP address.
Why this is correct
IP restriction adds a layer of defense, limiting access to known IPs.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Authentication checks who the user is.
- ✓
Generate a user-delegation SAS token with Write permission for the container and set an expiration time.
Why this is correct
User-delegation SAS uses Azure AD credentials and can be scoped and short-lived.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Authentication checks who the user is.
- ✗
Create a managed identity for the partner's application and grant it the Storage Blob Data Contributor role.
Why it's wrong here
Managed identities are for Azure resources, not external applications.
- ✗
Assign the Storage Blob Data Contributor RBAC role to the partner's Azure AD application.
Why it's wrong here
If the partner can authenticate with Azure AD, this is possible, but the question implies they are external and may not have Azure AD. Also, role assignment is not scoped to a container without hierarchical namespace.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related AZ-500 questions on access control and AAA configuration.
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Secure compute, storage, and databases — study guide chapter
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FAQ
Questions learners often ask
What does this AZ-500 question test?
Secure compute, storage, and databases — This question tests Secure compute, storage, and databases — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Configure the storage firewall to allow access only from the partner's public IP address. — Option A (create a managed identity) cannot be used for external partners; managed identities are for Azure resources. Option B (user-delegation SAS) is correct because it can be created with Azure AD credentials and scoped to a container with write permission. Option C (storage account key) is too permissive. Option D (RBAC role assignment) is correct if the partner can authenticate with Azure AD; but if they are external, a user-delegation SAS is better. However, the question says 'without storing static credentials', so a SAS token can be generated programmatically and short-lived. Option E (IP restriction) is a good additional control but not sufficient alone. The best two are user-delegation SAS (B) and RBAC role assignment (D) if partner uses Azure AD. But the question says 'without storing static credentials', so RBAC with managed identity is not applicable for external partner. Therefore, the correct answers are: generate a user-delegation SAS with Write permission (B) and restrict access to the partner's public IP (E).
What should I do if I get this AZ-500 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related AZ-500 questions on access control and AAA configuration.
Are there clue words in this question I should notice?
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jun 20, 2026
This AZ-500 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-500 exam.
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