Question 1hardmulti select
Full question →hardmulti selectObjective-mapped
A finance application stores monthly invoice PDFs in Azure Blob Storage. The data must survive a single availability zone outage in the region, and the storage account must be reachable only through a private IP from AppSubnet. Public network access must not be available. Which three actions should the administrator take? 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.
A
Best answer
Create the storage account with zone-redundant storage (ZRS).
ZRS keeps copies across multiple availability zones in the region, so one zone outage will not interrupt access.
B
Best answer
Create a private endpoint in AppSubnet for the storage account.
A private endpoint places a private IP for the storage service into the VNet, which satisfies private-only access.
C
Best answer
Disable public network access on the storage account.
Turning off public network access prevents use of the public endpoint and forces clients to use private connectivity.
D
Distractor review
Use locally redundant storage (LRS) because it stays inside one datacenter.
LRS protects only within a single datacenter, so it does not meet the requirement to survive a zone outage.
E
Distractor review
Enable a service endpoint on AppSubnet instead of using a private endpoint.
A service endpoint does not create a private IP, so it does not satisfy the private-only connectivity 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
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: Create the storage account with zone-redundant storage (ZRS). — The requirement combines resilience and network isolation. ZRS is needed because it protects the data across availability zones within the region. A private endpoint gives the storage account a private IP in AppSubnet, and disabling public network access ensures clients cannot fall back to the public endpoint. Together, these settings meet both the availability and private-access requirements without exposing the storage account publicly. Why others are wrong: LRS only protects within one datacenter and does not survive a zone failure. A service endpoint can restrict traffic to a subnet, but it still uses the storage public endpoint and does not provide a private IP, so it misses the stated network requirement.
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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