Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A storage account must accept traffic only from a single subnet. The team wants to keep using the storage account's public endpoint and does not want to deploy a private endpoint. What should you 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 private endpoint and private DNS zone
A private endpoint creates private IP access, which the team explicitly does not want to use.
B
Best answer
A service endpoint on the subnet and a storage firewall rule that allows that subnet
A service endpoint lets the subnet reach the storage account over the public endpoint while the firewall restricts access to that subnet only.
C
Distractor review
Read-access geo-redundant storage (RA-GRS)
RA-GRS is a redundancy setting and does not control which subnet can connect to the account.
D
Distractor review
Archive access tier for the container
The access tier affects blob retrieval cost and speed, not which network can reach the storage account.
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
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Question 3
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Question 4
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Question 5
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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 service endpoint on the subnet and a storage firewall rule that allows that subnet — Use a service endpoint together with a storage account network rule for the subnet. The service endpoint extends the subnet identity to Azure Storage, allowing the storage firewall to recognize traffic from that subnet while still using the public endpoint. This design is common when you want network restriction without deploying a private endpoint or private IP address. Why others are wrong: A private endpoint would meet isolation goals but violates the requirement to avoid one. RA-GRS is about replication, not access control. Archive tier changes blob access behavior, but it does not restrict network connectivity to a 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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