The correct answer is that Microsoft Entra ID authentication for Azure Storage uses OAuth 2.0 access tokens, along with RBAC roles and managed identities. This works because Entra ID integrates with Azure’s Role-Based Access Control (RBAC), where roles like Storage Blob Data Contributor grant granular permissions to storage resources, and managed identities provide a secure, automated way for Azure services to authenticate without storing credentials. On the AZ-204 exam, this topic tests your understanding of modern authentication flows versus legacy methods; a common trap is assuming that enabling Entra ID disables all other authorization methods. In reality, Shared Key authorization is only disabled when you explicitly restrict it, and SAS tokens remain valid unless you forbid them. Remember the mnemonic “ROMS” for the three true elements: RBAC roles, OAuth tokens, and Managed identities—Shared Key and SAS are not automatically blocked.
AZ-204 Implement Azure security Practice Question
This AZ-204 practice question tests your understanding of implement azure security. 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.
Which THREE of the following are true regarding Microsoft Entra ID authentication for Azure Storage?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
RBAC roles can be used to grant permissions to a user or service principal.
Options A, B, and D are correct. Option A is correct because RBAC roles like Storage Blob Data Contributor grant access to storage. Option B is correct because managed identities can be used for authentication. Option D is correct because OAuth 2.0 access tokens are used. Option C is wrong because Shared Key authorization is disabled when only Microsoft Entra ID is allowed. Option E is wrong because SAS tokens can still be used even if Microsoft Entra ID is enabled, unless explicitly forbidden.
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.
✗
SAS tokens are not supported when using Microsoft Entra ID authentication.
Why it's wrong here
SAS tokens can still be used alongside Microsoft Entra ID.
✓
RBAC roles can be used to grant permissions to a user or service principal.
Why this is correct
RBAC roles control access to storage resources.
Related concept
Authentication checks who the user is.
✗
When Microsoft Entra ID authentication is enabled, Shared Key authorization is still allowed by default.
Why it's wrong here
Shared Key authorization can be disabled; it is not automatically allowed.
✓
Managed identities can authenticate to Azure Storage without storing credentials.
Why this is correct
Managed identities provide secure authentication.
Related concept
Authentication checks who the user is.
✓
The authentication process uses OAuth 2.0 access tokens.
Why this is correct
Microsoft Entra ID uses OAuth 2.0 tokens for authentication.
Related concept
Authentication checks who the user is.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
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.
Implement Azure security — This question tests Implement Azure security — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: RBAC roles can be used to grant permissions to a user or service principal. — Options A, B, and D are correct. Option A is correct because RBAC roles like Storage Blob Data Contributor grant access to storage. Option B is correct because managed identities can be used for authentication. Option D is correct because OAuth 2.0 access tokens are used. Option C is wrong because Shared Key authorization is disabled when only Microsoft Entra ID is allowed. Option E is wrong because SAS tokens can still be used even if Microsoft Entra ID is enabled, unless explicitly forbidden.
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.
What is the key concept behind this question?
Authentication checks who the user is.
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