Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company uses Azure Blob Storage to store sensitive documents. The security policy requires that the storage account can only be accessed from a specific Azure virtual network (VNet) and that all access must use Azure Active Directory (Azure AD) authentication. They want to block any access that uses storage account keys or shared access signatures (SAS). Which configuration should they implement?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Configure the storage account firewall to allow access from the specific VNet, and disable 'Allow storage account key access'.
This restricts access to the VNet and disables key-based authorization, enforcing Azure AD authentication as required.
B
Distractor review
Configure a private endpoint for the storage account and disable 'Allow storage account key access'.
A private endpoint provides connectivity from a VNet, but it also allows key-based access unless 'Allow storage account key access' is disabled. This option does not mention firewall rules; private endpoint alone does not block other VNets or on-premises unless the public endpoint is disabled. The requirement includes limiting access to a specific VNet, which the firewall handles.
C
Distractor review
Configure the storage account firewall to deny all networks, and set 'Allow storage account key access' to 'Disabled'.
Denying all networks would block all access, including from the specific VNet. The requirement is to allow access from the VNet, so the firewall must include an allow rule for that VNet.
D
Distractor review
Configure the storage account firewall to allow access from the specific VNet, and enable 'Require secure transfer' (HTTPS only).
Requiring HTTPS enforces encryption in transit, but does not block key or SAS access. The requirement is to use Azure AD authentication and block keys/SAS.
Common exam trap
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.
Technical deep dive
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.
Related practice questions
Related AZ-500 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
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Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
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FAQ
Questions learners often ask
What does this AZ-500 question test?
Authentication checks who the user is.
What is the correct answer to this question?
The correct answer is: Configure the storage account firewall to allow access from the specific VNet, and disable 'Allow storage account key access'. — To limit access to a specific VNet, you configure the storage account firewall and virtual networks to allow access from that VNet. To enforce Azure AD authentication and block key/SAS access, you can set the 'Allow storage account key access' setting to 'Disabled'. This disables authorization with account keys and SAS tokens, ensuring only Azure AD authentication is accepted. Additionally, you can configure a private endpoint for more secure connectivity, but the question specifically mentions VNet access and blocking keys/SAS.
What should I do if I get this AZ-500 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
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