Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A storage account has public network access disabled. A VM in VNet-App can reach a private endpoint for the account, but the storage name still resolves to the public IP address from the VM, and connections are denied. 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
A service endpoint on the subnet so the storage account uses a private IP address.
Service endpoints do not give the storage account a private IP address in the VNet.
B
Best answer
A private DNS zone for the storage blob endpoint linked to VNet-App.
Private DNS is needed so the blob FQDN resolves to the private endpoint IP inside the VNet.
C
Distractor review
A storage account access key on the VM so the public endpoint will accept the connection.
Authentication does not fix name resolution or the fact that public network access is disabled.
D
Distractor review
A user-defined route sending storage traffic to the virtual network gateway.
A route table does not rewrite DNS and does not provide private endpoint name resolution.
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: A private DNS zone for the storage blob endpoint linked to VNet-App. — A private endpoint alone is not enough if clients still resolve the storage FQDN to the public address. For private endpoint access to work reliably, Azure must resolve the service name to the private IP, which is done with the appropriate private DNS zone linked to the VNet. For blob storage, that means the privatelink.blob.core.windows.net zone or the equivalent DNS integration for the service being used. Why others are wrong: Service endpoints keep traffic on the Microsoft backbone, but they do not create a private IP for the service. An access key only affects authentication, not DNS or network reachability. A route table cannot change DNS resolution and does not make a private endpoint functional by itself.
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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