A VM in VNet-Prod must connect to Azure SQL Database over a private IP address. The SQL server must not be reachable through its public endpoint, and the VM should resolve the server name automatically without manual DNS entries. Which three actions are required? Select three.
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Best answer
Create a private endpoint for the Azure SQL server in VNet-Prod.
A private endpoint gives the SQL server a private IP address inside the virtual network.
Best answer
Create the private DNS zone privatelink.database.windows.net.
This DNS zone is required so the SQL server name resolves to the private endpoint address.
Best answer
Link the private DNS zone to VNet-Prod.
Linking the zone lets resources in the VNet resolve SQL names through the private records.
Distractor review
Enable a service endpoint for Microsoft.Sql on the subnet instead of using a private endpoint.
A service endpoint extends identity to the public service endpoint and does not create a private IP.
Distractor review
Leave public network access enabled and add the VNet as an allowed firewall rule.
That permits access over the public endpoint, which conflicts with the private-IP-only requirement.
Common exam trap
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Technical deep dive
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
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Question 2
You are deploying a stateless web application on Azure virtual machines. The solution must automatically add and remove instances based on CPU demand and allow all instances to be managed as one logical group. Which Azure compute feature should you deploy?
Question 3
You are deploying a Windows Server VM for an internal app. The VM must support Secure Boot and vTPM later, its OS disk must survive host moves, and the team wants the lowest-cost managed disk tier that still behaves like a normal writable OS disk. Which two choices should you make? Select two.
Question 4
You need to deploy several identical virtual machines and ensure that the failure of a single Azure host does not affect all of them. Which feature should you use?
Question 5
You need to connect VNet-Hub and VNet-Spoke so that resources in both virtual networks can communicate privately over the Microsoft backbone. Both virtual networks are in the same region. What should you configure?
Question 6
You need to create a storage account that provides the lowest-cost redundant storage for non-critical data and only needs protection against local disk or server failure within a single datacenter. Which redundancy option should you choose?
FAQ
Questions learners often ask
What does this AZ-104 question test?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: Create a private endpoint for the Azure SQL server in VNet-Prod. — To make Azure SQL reachable on a private IP, you need a private endpoint in the VNet. The SQL private DNS zone then maps the standard database name to that private endpoint. Linking the zone to the VNet makes the resolution automatic for clients in that network. Together these steps provide private connectivity, automatic name resolution, and removal of the public exposure path. Why others are wrong: A service endpoint still uses the public service endpoint and therefore does not satisfy private-IP access. Leaving public network access enabled would preserve the public path, which the scenario explicitly forbids. The question is intentionally about private endpoint plumbing, not just permitting a subnet through a firewall.
What should I do if I get this AZ-104 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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