Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A storage account is accessed from a VM in VNet A through a private endpoint. A VM in peered VNet B can connect to the storage account by IP, but when it uses the storage account name, it resolves to the public endpoint. What should the administrator configure?
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.
A
Distractor review
Enable a service endpoint on VNet B for Microsoft.Storage.
A service endpoint does not create the private DNS behavior needed for the storage account name to resolve to the private IP.
B
Best answer
Link the private DNS zone for the storage account to VNet B.
The name resolution problem indicates that VNet B does not know to resolve the storage FQDN to the private endpoint address. Linking the correct private DNS zone to VNet B lets machines in that network resolve the name to the private IP instead of the public endpoint. This is a common requirement when private endpoints are accessed from peered networks or additional VNets.
C
Distractor review
Assign the VM in VNet B a managed identity.
Managed identity affects authentication, not DNS resolution or network path selection.
D
Distractor review
Create a route table that points storage traffic to the private endpoint subnet.
Private endpoints are resolved through DNS, not by manually routing traffic to the endpoint subnet.
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
A route table contains these entries: 10.0.0.0/8 with next hop Virtual appliance, and 10.1.1.0/24 with next hop Virtual network gateway. Which next hop will Azure use for traffic to 10.1.1.5?
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: Link the private DNS zone for the storage account to VNet B. — When a private endpoint is used, clients should resolve the service FQDN to the private endpoint IP address. If a peered VNet still resolves the public name, the missing piece is usually private DNS integration. Linking the private DNS zone to VNet B allows name resolution to return the private IP for the storage account. Without that link, clients may reach the public endpoint even though private connectivity exists. Why others are wrong: A provides private access but does not fix DNS name resolution. C changes authentication, not how the name resolves. D is not how private endpoints work; they rely on DNS mapping, not a UDR to the endpoint subnet.
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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