- A
The user does not have the 'Storage Blob Data Contributor' role on the storage account
Azure RBAC role assignment is required for Azure AD authentication.
- B
The Azure CLI version is outdated
Why wrong: Outdated CLI would give a different error.
- C
The storage account key is not provided
Why wrong: Azure AD authentication does not require the account key.
- D
The container name does not exist
Why wrong: An authorization error is not related to container existence.
AZ-204 Practice Question: Connect to and consume Azure services and third-party services
This AZ-204 practice question tests your understanding of connect to and consume azure services and third-party services. 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 using Azure CLI to upload a blob using your Azure AD credentials (--auth-mode login). The command fails with an authorization error. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
The user does not have the 'Storage Blob Data Contributor' role on the storage account
Option B is correct. The user must have the 'Storage Blob Data Contributor' role to upload blobs. Option A is wrong because the storage account key is not needed when using Azure AD. Option C is wrong because the container exists. Option D is wrong because the CLI version is fine.
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.
- ✓
The user does not have the 'Storage Blob Data Contributor' role on the storage account
Why this is correct
Azure RBAC role assignment is required for Azure AD authentication.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Authentication checks who the user is.
- ✗
The Azure CLI version is outdated
Why it's wrong here
Outdated CLI would give a different error.
- ✗
The storage account key is not provided
Why it's wrong here
Azure AD authentication does not require the account key.
- ✗
The container name does not exist
Why it's wrong here
An authorization error is not related to container existence.
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-204 questions on access control and AAA configuration.
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Connect to and consume Azure services and third-party services — study guide chapter
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FAQ
Questions learners often ask
What does this AZ-204 question test?
Connect to and consume Azure services and third-party services — This question tests Connect to and consume Azure services and third-party services — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: The user does not have the 'Storage Blob Data Contributor' role on the storage account — Option B is correct. The user must have the 'Storage Blob Data Contributor' role to upload blobs. Option A is wrong because the storage account key is not needed when using Azure AD. Option C is wrong because the container exists. Option D is wrong because the CLI version is fine.
What should I do if I get this AZ-204 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-204 questions on access control and AAA configuration.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Authentication checks who the user is.
About these practice questions
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Last reviewed: Jun 20, 2026
This AZ-204 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-204 exam.
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