- A
A service endpoint on the subnet and a storage account firewall rule allowing that subnet.
Why wrong: Service endpoints still use the storage account's public endpoint, even though traffic stays on Microsoft's backbone. They do not create a private IP in the VNet, so they do not satisfy the requirement for private address resolution. This option also does not match the disabled public access requirement as cleanly as a private endpoint.
- B
A private endpoint for the storage account and a corresponding private DNS zone link.
A private endpoint places the storage service on a private IP inside the VNet, and DNS integration allows the storage FQDN to resolve to that private address. That combination meets both requirements: private connectivity and no application code changes. This is the standard pattern when public network access is disabled.
- C
An account SAS token with read/write permissions for the application.
Why wrong: A SAS token controls authorization, not network path or name resolution. It cannot force traffic to use a private IP address or replace DNS configuration. The problem is network access, so changing the authentication method does not solve it.
- D
Allow trusted Microsoft services to bypass the storage firewall.
Why wrong: Trusted services are useful in certain storage firewall scenarios, but they do not provide a private IP in the VNet or private DNS resolution. They also are not the correct pattern for a VM in a customer VNet that needs private access. The requirement is private endpoint connectivity.
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 has public network access disabled. An application runs on a VM in a VNet and must access the storage account over a private IP address. The team also wants the storage name to resolve to a private address inside the VNet without changing application code. What should the administrator create?
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
A private endpoint for the storage account and a corresponding private DNS zone link.
A private endpoint assigns the storage account a private IP from the VNet, making it accessible over a private IP address. A corresponding private DNS zone link (e.g., privatelink.blob.core.windows.net) ensures the storage account name resolves to that private IP inside the VNet without modifying application code, meeting both requirements.
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.
- ✗
A service endpoint on the subnet and a storage account firewall rule allowing that subnet.
Why it's wrong here
Service endpoints still use the storage account's public endpoint, even though traffic stays on Microsoft's backbone. They do not create a private IP in the VNet, so they do not satisfy the requirement for private address resolution. This option also does not match the disabled public access requirement as cleanly as a private endpoint.
- ✓
A private endpoint for the storage account and a corresponding private DNS zone link.
Why this is correct
A private endpoint places the storage service on a private IP inside the VNet, and DNS integration allows the storage FQDN to resolve to that private address. That combination meets both requirements: private connectivity and no application code changes. This is the standard pattern when public network access is disabled.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
An account SAS token with read/write permissions for the application.
Why it's wrong here
A SAS token controls authorization, not network path or name resolution. It cannot force traffic to use a private IP address or replace DNS configuration. The problem is network access, so changing the authentication method does not solve it.
- ✗
Allow trusted Microsoft services to bypass the storage firewall.
Why it's wrong here
Trusted services are useful in certain storage firewall scenarios, but they do not provide a private IP in the VNet or private DNS resolution. They also are not the correct pattern for a VM in a customer VNet that needs private access. The requirement is private endpoint connectivity.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse service endpoints with private endpoints, assuming both provide private IP connectivity, when only private endpoints assign a private IP and require a private DNS zone for name resolution.
Trap categories for this question
Scenario analysis trap
Trusted services are useful in certain storage firewall scenarios, but they do not provide a private IP in the VNet or private DNS resolution. They also are not the correct pattern for a VM in a customer VNet that needs private access. The requirement is private endpoint connectivity.
Detailed technical explanation
How to think about this question
A private endpoint uses a network interface with a private IP from the VNet subnet, and traffic to the storage account stays within the Microsoft backbone via Private Link. The private DNS zone (e.g., privatelink.blob.core.windows.net) must be linked to the VNet so that standard DNS resolution for the storage account name returns the private IP; without this link, the name would still resolve to the public IP, breaking the requirement.
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
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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: A private endpoint for the storage account and a corresponding private DNS zone link. — A private endpoint assigns the storage account a private IP from the VNet, making it accessible over a private IP address. A corresponding private DNS zone link (e.g., privatelink.blob.core.windows.net) ensures the storage account name resolves to that private IP inside the VNet without modifying application code, meeting both requirements.
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 →
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Last reviewed: Jun 11, 2026
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