- A
A service endpoint for Microsoft.Storage and a custom hosts file entry on the VM
Why wrong: Service endpoints do not create a private IP address, and manually editing hosts files does not provide the correct Azure-integrated name resolution model.
- B
A private endpoint for the storage account plus a private DNS zone linked to the virtual network
A private endpoint places the storage service on a private IP address inside the VNet, which satisfies the private access requirement. A private DNS zone is then needed so the storage account name resolves to that private IP address from within the virtual network. Together, they provide secure, private connectivity with proper name resolution.
- C
Allow trusted Microsoft services and keep using the public endpoint
Why wrong: Trusted services is not the right control for a VM-to-storage private access requirement, and it does not create a private IP or private DNS mapping.
- D
A route table that sends traffic for the storage account's public IP to the VPN gateway
Why wrong: Routing public IP traffic through a gateway does not convert the storage service into a private endpoint, and it does not provide the required DNS behavior.
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. A VM in a virtual network must access blob data privately, and the application must resolve the storage endpoint name to a private IP address. What should the administrator deploy?
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 plus a private DNS zone linked to the virtual network
A private endpoint assigns the storage account a private IP from the VM's virtual network, enabling direct, secure access over the Microsoft backbone. A private DNS zone linked to the virtual network ensures the storage endpoint name (e.g., mystorageaccount.blob.core.windows.net) resolves to that private IP, meeting the requirement for private name resolution without relying on public DNS or hosts file entries.
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 for Microsoft.Storage and a custom hosts file entry on the VM
Why it's wrong here
Service endpoints do not create a private IP address, and manually editing hosts files does not provide the correct Azure-integrated name resolution model.
- ✓
A private endpoint for the storage account plus a private DNS zone linked to the virtual network
Why this is correct
A private endpoint places the storage service on a private IP address inside the VNet, which satisfies the private access requirement. A private DNS zone is then needed so the storage account name resolves to that private IP address from within the virtual network. Together, they provide secure, private connectivity with proper name resolution.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Allow trusted Microsoft services and keep using the public endpoint
- ✗
A route table that sends traffic for the storage account's public IP to the VPN gateway
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse service endpoints (which provide source IP preservation but no private IP) with private endpoints (which provide a true private IP and private DNS resolution), leading them to choose Option A or C.
Detailed technical explanation
How to think about this question
Under the hood, a private endpoint creates a network interface (NIC) in the virtual network with a private IP from the subnet, and traffic to the storage account is forwarded via Azure Private Link over the Microsoft backbone, never traversing the public internet. The private DNS zone uses a zone name like 'privatelink.blob.core.windows.net' and automatically creates an A record for the storage endpoint; when the VM queries the public name, Azure's DNS resolution chain uses a CNAME to the private zone, ensuring seamless resolution. In a real-world scenario, this setup is critical for compliance requirements like PCI-DSS, where data must never leave the Azure network boundary.
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 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 plus a private DNS zone linked to the virtual network — A private endpoint assigns the storage account a private IP from the VM's virtual network, enabling direct, secure access over the Microsoft backbone. A private DNS zone linked to the virtual network ensures the storage endpoint name (e.g., mystorageaccount.blob.core.windows.net) resolves to that private IP, meeting the requirement for private name resolution without relying on public DNS or hosts file entries.
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
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