- A
Enable a service endpoint for Microsoft.Storage on the subnet and keep the public endpoint enabled.
Why wrong: Service endpoints do not create a private IP and still rely on the storage service's public endpoint.
- B
Create a private endpoint for the storage account and link the appropriate private DNS zone.
A private endpoint gives the storage service a private IP in the VNet, and private DNS keeps name resolution internal.
- C
Use a SAS token and allow access from any network for the storage account.
Why wrong: A SAS token controls authorization, but it does not keep the storage account off the public internet.
- D
Assign a managed identity to the VM and remove all network restrictions from the storage account.
Why wrong: Managed identity simplifies authentication, but it does not provide private network access by itself.
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.
An application VM in a subnet without a public IP must access Azure Blob Storage. The storage account must not be reachable from the public internet, and DNS resolution should stay inside the virtual network. What should you implement?
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
Create a private endpoint for the storage account and link the appropriate private DNS zone.
Option B is correct because a private endpoint assigns the storage account a private IP from the VM's virtual network, making it reachable without public internet exposure. Linking the private DNS zone ensures that DNS resolution for the storage account (e.g., `mystorageaccount.blob.core.windows.net`) resolves to the private IP within the VNet, 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.
- ✗
Enable a service endpoint for Microsoft.Storage on the subnet and keep the public endpoint enabled.
Why it's wrong here
Service endpoints do not create a private IP and still rely on the storage service's public endpoint.
- ✓
Create a private endpoint for the storage account and link the appropriate private DNS zone.
Why this is correct
A private endpoint gives the storage service a private IP in the VNet, and private DNS keeps name resolution internal.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use a SAS token and allow access from any network for the storage account.
Why it's wrong here
A SAS token controls authorization, but it does not keep the storage account off the public internet.
- ✗
Assign a managed identity to the VM and remove all network restrictions from the storage account.
Why it's wrong here
Managed identity simplifies authentication, but it does not provide private network access by itself.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing service endpoints with private endpoints; service endpoints only secure traffic to the public endpoint via the VNet but do not remove public internet accessibility, whereas private endpoints fully isolate the resource within the VNet.
Detailed technical explanation
How to think about this question
A private endpoint uses Azure Private Link to map the storage account to a network interface with a private IP from the VNet subnet, effectively placing the storage account inside the VNet. The private DNS zone (privatelink.blob.core.windows.net) is linked to the VNet to override public DNS resolution, ensuring that the storage account's FQDN resolves to the private IP via a CNAME record. This setup also supports on-premises connectivity via VPN or ExpressRoute when the DNS zone is integrated with custom DNS servers.
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: Create a private endpoint for the storage account and link the appropriate private DNS zone. — Option B is correct because a private endpoint assigns the storage account a private IP from the VM's virtual network, making it reachable without public internet exposure. Linking the private DNS zone ensures that DNS resolution for the storage account (e.g., `mystorageaccount.blob.core.windows.net`) resolves to the private IP within the VNet, 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
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Last reviewed: Jun 11, 2026
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