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.
Exhibit
Storage account: stprod01
Networking:
- Public network access: Disabled
- Private endpoint connections: None
- Allowed virtual networks: None
VNet: AppVNet
Subnet: AppSubnet 10.50.1.0/24
Requirement: "Azure VMs in AppSubnet must reach the storage account without using the public endpoint."
Based on the exhibit, what should the administrator create so VMs in AppSubnet can access the storage account over a private IP address?
Storage account: stprod01
Networking:
- Public network access: Disabled
- Private endpoint connections: None
- Allowed virtual networks: None
VNet: AppVNet
Subnet: AppSubnet 10.50.1.0/24
Requirement: "Azure VMs in AppSubnet must reach the storage account without using the public endpoint."
A
A service endpoint for Microsoft.Storage on AppSubnet.
Why wrong: Service endpoints keep traffic on the Azure backbone, but they do not give the storage account a private IP in the VNet. The requirement specifically asks for private IP access.
B
A private endpoint for the storage account in AppSubnet.
A private endpoint assigns the storage account a private IP address in the VNet, which is exactly what the exhibit requires. With public access disabled, the private endpoint is the correct way for the VMs to reach the storage service privately from AppSubnet.
C
A site-to-site VPN gateway between AppVNet and the storage account.
Why wrong: VPN gateways connect networks over encrypted tunnels, but they do not create a private IP for a PaaS storage account inside the VNet.
D
An application security group for the storage account and subnet.
Why wrong: Application security groups are used in NSG rules for grouping VM network interfaces. They do not provide connectivity to storage services.
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 in AppSubnet.
A private endpoint assigns a private IP address from AppSubnet to the storage account, enabling VMs in that subnet to access the storage account over a private IP within the VNet. This eliminates exposure to the public internet and uses Azure Private Link for secure, direct connectivity.
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 on AppSubnet.
Why it's wrong here
Service endpoints keep traffic on the Azure backbone, but they do not give the storage account a private IP in the VNet. The requirement specifically asks for private IP access.
✓
A private endpoint for the storage account in AppSubnet.
Why this is correct
A private endpoint assigns the storage account a private IP address in the VNet, which is exactly what the exhibit requires. With public access disabled, the private endpoint is the correct way for the VMs to reach the storage service privately from AppSubnet.
Related concept
Read the scenario before looking for a memorised answer.
✗
A site-to-site VPN gateway between AppVNet and the storage account.
Why it's wrong here
VPN gateways connect networks over encrypted tunnels, but they do not create a private IP for a PaaS storage account inside the VNet.
✗
An application security group for the storage account and subnet.
Why it's wrong here
Application security groups are used in NSG rules for grouping VM network interfaces. They do not provide connectivity to storage services.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing service endpoints (which still use the public endpoint but with source subnet restriction) with private endpoints (which provide a true private IP address), leading candidates to incorrectly choose A when the question explicitly requires access over a private IP address.
Detailed technical explanation
How to think about this question
A private endpoint creates a network interface (NIC) in the specified subnet with a private IP from that subnet's range, and DNS resolution for the storage account is configured to resolve to that private IP via a private DNS zone (privatelink.blob.core.windows.net). This ensures traffic from VMs in AppSubnet to the storage account stays entirely within the Microsoft Azure backbone network, bypassing the public internet entirely. In real-world scenarios, this is critical for compliance requirements that mandate no public internet exposure for storage traffic.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-104 question in full detail.
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 in AppSubnet. — A private endpoint assigns a private IP address from AppSubnet to the storage account, enabling VMs in that subnet to access the storage account over a private IP within the VNet. This eliminates exposure to the public internet and uses Azure Private Link for secure, direct connectivity.
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.
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Question Discussion
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