- A
Enable the Microsoft.Storage service endpoint on AppSubnet.
The service endpoint lets Azure identify traffic from that subnet when it reaches the storage service.
- B
Configure the storage account networking firewall to allow the selected virtual network and subnet.
This restricts access so only the permitted subnet can use the storage account through its public endpoint.
- C
Create a private endpoint and disable public network access.
Why wrong: That would switch the account to private IP access, which is specifically not required here.
- D
Link a private DNS zone to AppSubnet.
Why wrong: Private DNS is only needed when clients must resolve the service to a private endpoint address.
- E
Assign the Reader RBAC role to AppSubnet.
Why wrong: Subnets do not receive RBAC roles, and Reader does not control network path access to storage.
AZ-104 Implement and Manage Virtual Networking Practice Question
This AZ-104 practice question tests your understanding of implement and manage virtual networking. 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.
A storage account must remain on its public endpoint, but only one Azure subnet named AppSubnet should be allowed to access it from Azure. No private IP is required. Which two actions should the administrator take? Select two.
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
Enable the Microsoft.Storage service endpoint on AppSubnet.
Option A is correct because enabling the Microsoft.Storage service endpoint on AppSubnet allows traffic from that subnet to the storage account over the Azure backbone network, using the public endpoint while restricting access to only that subnet. Option B is correct because configuring the storage account's networking firewall to allow the selected virtual network and subnet explicitly permits traffic from AppSubnet while blocking all other public access, meeting the requirement to keep the public endpoint but limit access to one subnet.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Enable the Microsoft.Storage service endpoint on AppSubnet.
Why this is correct
The service endpoint lets Azure identify traffic from that subnet when it reaches the storage service.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Configure the storage account networking firewall to allow the selected virtual network and subnet.
Why this is correct
This restricts access so only the permitted subnet can use the storage account through its public endpoint.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a private endpoint and disable public network access.
Why it's wrong here
That would switch the account to private IP access, which is specifically not required here.
- ✗
Link a private DNS zone to AppSubnet.
Why it's wrong here
Private DNS is only needed when clients must resolve the service to a private endpoint address.
- ✗
Assign the Reader RBAC role to AppSubnet.
Why it's wrong here
Subnets do not receive RBAC roles, and Reader does not control network path access to storage.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse service endpoints with private endpoints, assuming that restricting access to a single subnet requires a private IP and disabling public access, when in fact service endpoints achieve the same goal without changing the endpoint type.
Detailed technical explanation
How to think about this question
Service endpoints extend the virtual network identity to Azure services, allowing traffic from the subnet to the storage account via the Azure backbone without needing a public IP on the VM. The storage account firewall evaluates the source IP or virtual network rule; when a service endpoint is enabled, the source is identified by the virtual network and subnet ID, not the public IP, enabling precise subnet-level filtering. In a real-world scenario, this setup is common for securing storage accounts used by application tiers in a hub-spoke topology, where only a specific subnet in a spoke VNet should access the storage account over the public endpoint.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Implement and Manage Virtual Networking — study guide chapter
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Implement and Manage Virtual Networking — This question tests Implement and Manage Virtual Networking — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable the Microsoft.Storage service endpoint on AppSubnet. — Option A is correct because enabling the Microsoft.Storage service endpoint on AppSubnet allows traffic from that subnet to the storage account over the Azure backbone network, using the public endpoint while restricting access to only that subnet. Option B is correct because configuring the storage account's networking firewall to allow the selected virtual network and subnet explicitly permits traffic from AppSubnet while blocking all other public access, meeting the requirement to keep the public endpoint but limit access to one subnet.
What should I do if I get this AZ-104 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 11, 2026
This AZ-104 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-104 exam.
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