Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A finance team stores application blobs in an Azure Storage account. The data must remain available if a single availability zone in the region is lost, and the team does not need automatic read access from another region. Which redundancy option best meets the requirement?
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), which keeps three copies in one datacenter only.
LRS protects against local disk and server failures inside one datacenter, but it does not add zone-level resilience.
B
Best answer
Zone-redundant storage (ZRS), which replicates data across availability zones in the same region.
ZRS stores multiple copies of the data across availability zones within one region, so the storage account can remain available if one zone is lost. This matches the requirement for zone failure resiliency without introducing cross-region read access or the extra complexity of geo-failover. It is the least expansive redundancy option that still provides protection against a zone outage.
C
Distractor review
Geo-redundant storage (GRS), which replicates data to a paired region and supports failover.
GRS adds replication to a paired region, which is useful for regional disaster recovery, but the question does not require cross-region continuity.
D
Distractor review
Read-access geo-redundant storage (RA-GRS), which allows reads from the secondary region.
RA-GRS is designed for workloads that want secondary-region read access. That is unnecessary here.
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), which replicates data across availability zones in the same region. — ZRS is the best fit because it distributes copies of the storage data across multiple availability zones in the same Azure region. If one zone experiences an outage, the storage account can continue to serve data without needing a regional failover event. The requirement explicitly says the workload does not need automatic read access from another region, so GRS and RA-GRS add capabilities that are not needed. Why others are wrong: LRS only protects within one datacenter and does not survive a zone outage. GRS and RA-GRS both replicate to a paired region, which is more than the requirement asks for and may add unnecessary cost and operational complexity. RA-GRS specifically exists for read access to the secondary region, which the scenario does not need.
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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