- A
A service endpoint on the on-premises network and a storage account firewall exception.
Why wrong: Service endpoints only extend Azure virtual network identity to supported services and do not provide a private IP for on-premises clients.
- B
A private endpoint for the storage account in an Azure VNet reachable through the VPN.
A private endpoint gives the storage account a private IP address inside a VNet. Because the on-premises network already reaches Azure through a site-to-site VPN, on-prem clients can reach that private IP over the encrypted tunnel, provided DNS is also configured to resolve the private name correctly. This satisfies both goals: private connectivity and no public network access to the storage account.
- C
A NAT gateway on the subnet that hosts the storage account.
Why wrong: A NAT gateway affects outbound internet translation from subnets, not private access to storage accounts.
- D
An application security group applied to the storage account.
Why wrong: Application security groups are for VM NIC targeting in NSG rules and do not apply to storage accounts.
Quick Answer
The answer is to deploy a private endpoint for the storage account within an Azure VNet that is reachable through the existing site-to-site VPN. This configuration works because a private endpoint assigns the storage account a private IP address from the VNet, allowing the on-premises application to connect over the VPN without traversing the public internet, while the storage account’s firewall can then disable all public network traffic. On the AZ-104 exam, this scenario tests your understanding of how private endpoints enforce network isolation and integrate with hybrid connectivity like VPNs; a common trap is confusing a service endpoint, which still uses public IPs and requires public access to be enabled. Remember the key distinction: private endpoints give a private IP, service endpoints do not. For a memory tip, think “Private IP for Private Access” — if the requirement is a private IP and no public traffic, always choose the private endpoint.
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage storage. 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. A key principle to apply: private Endpoints assign a private IP to an Azure PaaS service within a VNet.. 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 on-premises application connects to Azure through an existing site-to-site VPN. The application must access an Azure Blob Storage account over a private IP, and the storage account must not accept public network traffic. Which configuration 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 in an Azure VNet reachable through the VPN.
Option B is correct because a private endpoint assigns the storage account a private IP from an Azure VNet, making it accessible over the site-to-site VPN without traversing the public internet. This satisfies the requirement for private IP access and allows the storage account to block all public network traffic by disabling public network access in the firewall settings.
Key principle: Private Endpoints assign a private IP to an Azure PaaS service within a VNet.
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 on-premises network and a storage account firewall exception.
Why it's wrong here
Service endpoints only extend Azure virtual network identity to supported services and do not provide a private IP for on-premises clients.
- ✓
A private endpoint for the storage account in an Azure VNet reachable through the VPN.
Why this is correct
A private endpoint gives the storage account a private IP address inside a VNet. Because the on-premises network already reaches Azure through a site-to-site VPN, on-prem clients can reach that private IP over the encrypted tunnel, provided DNS is also configured to resolve the private name correctly. This satisfies both goals: private connectivity and no public network access to the storage account.
Related concept
Private Endpoints assign a private IP to an Azure PaaS service within a VNet.
- ✗
A NAT gateway on the subnet that hosts the storage account.
- ✗
An application security group applied to the storage account.
Why it's wrong here
Application security groups are for VM NIC targeting in NSG rules and do not apply to storage accounts.
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 both provide private IP access, but only private endpoints remove the public endpoint entirely, which is necessary when public network access must be disabled.
Detailed technical explanation
How to think about this question
A private endpoint uses Azure Private Link to create a network interface with a private IP in the VNet, leveraging DNS resolution to redirect traffic from the storage account's public FQDN (e.g., mystorageaccount.blob.core.windows.net) to the private IP. The storage account's firewall must have 'Public network access' set to 'Disabled' to enforce that only traffic from the private endpoint is accepted, ensuring no public internet exposure. In a real-world scenario, this setup is critical for hybrid workloads requiring secure, low-latency access to blob storage without data exfiltration risks.
KKey Concepts to Remember
- Private Endpoints assign a private IP to an Azure PaaS service within a VNet.
- They enable secure, private access from on-premises networks via VPN/ExpressRoute.
- Private Endpoints disable public access to the PaaS service by default.
- DNS resolution must be configured to point the service FQDN to the private IP.
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
Private Endpoints assign a private IP to an Azure PaaS service within a VNet.
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.
Review private Endpoints assign a private IP to an Azure PaaS service within a VNet., then practise related AZ-104 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Implement and Manage Storage — This question tests Implement and Manage Storage — Private Endpoints assign a private IP to an Azure PaaS service within a VNet..
What is the correct answer to this question?
The correct answer is: A private endpoint for the storage account in an Azure VNet reachable through the VPN. — Option B is correct because a private endpoint assigns the storage account a private IP from an Azure VNet, making it accessible over the site-to-site VPN without traversing the public internet. This satisfies the requirement for private IP access and allows the storage account to block all public network traffic by disabling public network access in the firewall settings.
What should I do if I get this AZ-104 question wrong?
Review private Endpoints assign a private IP to an Azure PaaS service within a VNet., then practise related AZ-104 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Private Endpoints assign a private IP to an Azure PaaS service within a VNet.
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 →
Same concept, more angles
1 more ways this is tested on AZ-104
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A finance web app in AppSubnet must connect to Azure SQL Database over the service's public endpoint. Only AppSubnet should be allowed, and the security team does not want to deploy any private IPs or change DNS. What should you configure?
hard- A.A private endpoint for the SQL server and a private DNS zone linked to AppSubnet.
- ✓ B.Enable the Microsoft.Sql service endpoint on AppSubnet and add a virtual network rule on the SQL server.
- C.Create an NSG rule on AppSubnet to allow outbound TCP 1433 traffic to the SQL server's public IP address.
- D.Publish the AppSubnet public IP address range in the SQL server firewall as an allow list.
Why B: Option B is correct because enabling the Microsoft.Sql service endpoint on AppSubnet allows traffic from that subnet to reach Azure SQL Database's public endpoint without requiring public IP addresses or DNS changes. Adding a virtual network rule on the SQL server restricts access exclusively to that subnet, meeting the security requirement without deploying private IPs.
Last reviewed: Jun 11, 2026
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