Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company stores sensitive job processing messages in Azure Queue Storage. They have a web application running on an Azure virtual machine in a VNet that reads and writes to the queue. The security team requires that only the web application's VM can access the queue, and all access from the public internet must be blocked. 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
Distractor review
Configure a service endpoint for Azure Storage on the VNet subnet and add a firewall rule allowing the VNet.
Service endpoints provide a direct route to the storage account from the VNet but the storage account's public endpoint is still available. This does not guarantee that only the VNet can access it if the firewall rule is bypassed or misconfigured.
B
Best answer
Deploy a private endpoint for the storage account in the same VNet and disable public network access on the storage account.
Correct. A private endpoint gives the storage account a private IP in the VNet. Disabling public network access ensures that only traffic via the private endpoint is allowed, blocking all internet traffic.
C
Distractor review
Route all traffic from the VNet through an Azure Firewall and create a NAT rule to the storage account.
Azure Firewall does not provide fine-grained access control to a specific storage account's queue. It only filters traffic at the network layer, not at the PaaS service level.
D
Distractor review
Generate a shared access signature (SAS) token with narrow permissions and require the web app to use that token.
SAS tokens grant access over the public endpoint and can be used from anywhere on the internet. This does not meet the requirement to block all public internet access.
Common exam trap
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Technical deep dive
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
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.
More questions from this exam
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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Question 6
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FAQ
Questions learners often ask
What does this AZ-500 question test?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: Deploy a private endpoint for the storage account in the same VNet and disable public network access on the storage account. — Using a Private Endpoint for the storage account assigns a private IP address from the VNet to the storage account, allowing the VM to connect over a private IP. With public network access disabled on the storage account, only traffic from the private endpoint is accepted, blocking all internet traffic. A service endpoint (option A) still exposes the public endpoint and requires firewall rules; it does not remove the public endpoint. A shared access signature (option D) is a token that can be used over the internet. Azure Firewall (option C) does not directly control access to the storage account.
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.
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