- A
Create a private endpoint and disable public network access.
Why wrong: A private endpoint gives the storage service a private IP in the VNet and usually requires private DNS planning. That conflicts with the stated requirement to avoid a private IP and avoid managing private DNS zones.
- B
Enable a service endpoint on the subnet and restrict the storage firewall to that subnet.
A service endpoint allows the subnet to access the storage account over the Azure backbone while the storage account still uses its public FQDN and does not require a private IP in the VNet. Because the administrator also wants to avoid private DNS zone management, this is the best fit. The storage firewall can then be restricted to the specific subnet.
- C
Peer the subnet to a dedicated storage VNet and route traffic through peering.
Why wrong: VNet peering connects virtual networks to each other. It does not restrict storage account access by itself and does not create the storage-specific access control behavior described here.
- D
Assign a route table with a host route to the storage account.
Why wrong: Route tables are used for IP forwarding decisions, not for controlling Azure Storage authorization or service access. They cannot replace storage firewall rules or service endpoints.
Quick Answer
The answer is to enable a service endpoint on the subnet and restrict the storage firewall to that subnet. This solution works because a service endpoint extends the subnet’s identity to the storage account over the Azure backbone, allowing the firewall to filter traffic by source subnet while the storage account continues to use its public fully qualified domain name (FQDN). No private IP address or private DNS zones are needed, as the endpoint does not assign a private IP to the storage account—it simply secures the public endpoint to a specific virtual network source. On the AZ-104 exam, this scenario tests your understanding of network segmentation versus private connectivity; a common trap is confusing service endpoints with Private Link, which would require a private IP and DNS management. Remember the key distinction: service endpoints secure the public endpoint to a subnet, while Private Link gives the resource a private IP. Memory tip: “Service Endpoint = Public endpoint, locked to a subnet; Private Link = Private IP, hidden from the internet.”
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage storage. 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.
An administrator wants a storage account to be accessible only from one subnet. The storage account should still use its public FQDN, the team does not want a private IP address in the VNet, and they do not want to manage private DNS zones. Which solution should be used?
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 a service endpoint on the subnet and restrict the storage firewall to that subnet.
Option B is correct because a service endpoint allows the storage account to be accessed from a specific subnet while still using the public FQDN. By enabling a service endpoint on the subnet and configuring the storage firewall to allow traffic only from that subnet, the administrator meets all requirements: no private IP, no private DNS zones, and access restricted 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.
- ✗
Create a private endpoint and disable public network access.
Why it's wrong here
A private endpoint gives the storage service a private IP in the VNet and usually requires private DNS planning. That conflicts with the stated requirement to avoid a private IP and avoid managing private DNS zones.
- ✓
Enable a service endpoint on the subnet and restrict the storage firewall to that subnet.
Why this is correct
A service endpoint allows the subnet to access the storage account over the Azure backbone while the storage account still uses its public FQDN and does not require a private IP in the VNet. Because the administrator also wants to avoid private DNS zone management, this is the best fit. The storage firewall can then be restricted to the specific subnet.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Peer the subnet to a dedicated storage VNet and route traffic through peering.
Why it's wrong here
VNet peering connects virtual networks to each other. It does not restrict storage account access by itself and does not create the storage-specific access control behavior described here.
- ✗
Assign a route table with a host route to the storage account.
Why it's wrong here
Route tables are used for IP forwarding decisions, not for controlling Azure Storage authorization or service access. They cannot replace storage firewall rules or service endpoints.
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 only private endpoints can restrict network access, but service endpoints combined with firewall rules achieve the same restriction without changing the endpoint type or requiring DNS management.
Detailed technical explanation
How to think about this question
Service endpoints extend the VNet identity to the Azure service, allowing the storage firewall to filter traffic based on the source subnet's virtual network ID. This works by adding the subnet's public IP prefix to the storage firewall's allow list, but the traffic still traverses the Azure backbone network using the public endpoint. A common real-world scenario is when an organization wants to secure storage access from a specific application tier without incurring the cost or complexity of private endpoints and DNS management.
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.
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Implement and Manage Storage — This question tests Implement and Manage Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable a service endpoint on the subnet and restrict the storage firewall to that subnet. — Option B is correct because a service endpoint allows the storage account to be accessed from a specific subnet while still using the public FQDN. By enabling a service endpoint on the subnet and configuring the storage firewall to allow traffic only from that subnet, the administrator meets all requirements: no private IP, no private DNS zones, and access restricted 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
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more ways this is tested on AZ-104
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A storage account must be accessible only from one Azure subnet. The security team does not want a private endpoint or private DNS zone, and they are fine with the storage account continuing to use its public FQDN. Which configuration should you use?
hard- ✓ A.Create a service endpoint on the subnet and allow that subnet in the storage account firewall.
- B.Create a private endpoint for the storage account and disable public network access.
- C.Use an NSG rule to allow only the subnet to reach port 443 on the storage account.
- D.Associate a route table that sends storage traffic to an Azure firewall appliance.
Why A: Option A is correct because a service endpoint extends the virtual network identity to the Azure Storage service, allowing the storage account firewall to restrict access to traffic originating from the specific subnet. This meets the requirement of limiting access to one Azure subnet without using a private endpoint or DNS zone, and the storage account continues to use its public FQDN.
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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