AZ-104 Implement and Manage Virtual Networking Practice Question
This AZ-104 practice question tests your understanding of implement and manage virtual networking. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 team wants one subnet to access an existing Storage account over its public endpoint. They do not want a private IP for the account or any DNS changes, but they want to block access from all other subnets. What should the administrator configure?
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 add a virtual network rule on the storage account.
Option B is correct because a service endpoint extends the virtual network's identity to the Azure Storage service, allowing the subnet to access the storage account over its public endpoint without requiring a private IP or DNS changes. By enabling a service endpoint on the subnet and adding a virtual network rule on the storage account, you restrict access to only that subnet while blocking all other subnets, meeting the team's 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.
✗
Create a private endpoint and disable public network access on the storage account.
Why it's wrong here
A private endpoint changes the network model and typically requires private DNS integration.
✓
Enable a service endpoint on the subnet and add a virtual network rule on the storage account.
Why this is correct
Service endpoints preserve the public endpoint while restricting access to the selected subnet.
Related concept
Read the scenario before looking for a memorised answer.
✗
Assign the Storage Blob Data Reader role to the subnet.
Why it's wrong here
RBAC controls authorization, not subnet-based network access to the storage account.
✗
Associate a route table with a default route to the storage account private IP.
Why it's wrong here
Storage accounts do not use a customer-defined private IP on the public endpoint path.
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 private endpoints are required for secure access, but the question explicitly states no private IP or DNS changes are desired, making service endpoints the correct choice.
Detailed technical explanation
How to think about this question
Service endpoints use the Azure backbone network to route traffic from the subnet to the storage account's public endpoint, bypassing the internet and providing optimal routing. The virtual network rule on the storage account's firewall evaluates the source IP of the traffic, which is replaced by the subnet's virtual network identifier when the service endpoint is enabled, allowing granular access control. This approach is cost-effective and simple for scenarios where private IPs are not needed, but it does not provide the same isolation as a private endpoint.
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: Enable a service endpoint on the subnet and add a virtual network rule on the storage account. — Option B is correct because a service endpoint extends the virtual network's identity to the Azure Storage service, allowing the subnet to access the storage account over its public endpoint without requiring a private IP or DNS changes. By enabling a service endpoint on the subnet and adding a virtual network rule on the storage account, you restrict access to only that subnet while blocking all other subnets, meeting the team's 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.
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Question Discussion
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