Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A finance team stores monthly invoice PDFs in Azure and wants the data to remain available if an entire availability zone in the region fails. They do not need read access to a secondary region, and they want to keep the storage service simple. Which redundancy option should they choose for the storage account?
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
Locally redundant storage (LRS), because it protects against a single disk failure inside one datacenter.
LRS keeps multiple copies within one datacenter only. It helps with local hardware failures, but it does not protect the workload if an entire zone becomes unavailable.
B
Best answer
Zone-redundant storage (ZRS), because it replicates data across zones in the same region.
ZRS stores copies of the data across multiple availability zones in the same region. That design helps the account remain available during a zone outage without requiring a paired region or secondary read access.
C
Distractor review
Geo-redundant storage (GRS), because it automatically provides the lowest-cost cross-region protection.
GRS does replicate to a secondary region, but that is more than the requirement calls for. The scenario specifically asks for resilience to a zone failure, not region-level replication.
D
Distractor review
Geo-zone-redundant storage (GZRS), because it is required whenever zone resilience is needed.
GZRS provides stronger protection by combining zone replication with geo-replication. It is useful in some designs, but the question only requires surviving a zone outage inside one region.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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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?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Zone-redundant storage (ZRS), because it replicates data across zones in the same region. — Zone-redundant storage is the best fit because it replicates data across separate availability zones within one region. That protects against a zone outage while keeping the account in a single region, which matches the requirement to avoid secondary-region read access. It is a practical choice when the business wants higher resiliency than LRS but does not need the extra complexity or broader disaster recovery capabilities of GRS or GZRS. Why others are wrong: LRS only protects against localized datacenter hardware issues and does not survive a zone outage. GRS adds replication to another region, which is more than the requirement and does not directly address the need for same-region zone resiliency. GZRS is also valid for higher durability, but it is a stronger and more complex option than necessary when the goal is only to stay available through a regional zone failure.
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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