Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A finance application stores monthly invoice PDFs in Azure Blob Storage. The business wants the data to remain available if one availability zone in the region becomes unavailable, but it does not require a secondary region for read access. Which redundancy option should the administrator choose?
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
LRS, because it keeps three copies within a single datacenter and is the least expensive option.
LRS protects against disk or node loss within one datacenter, but not against a zone outage. It does not meet the requirement to survive an availability zone failure.
B
Best answer
ZRS, because it replicates data across zones in the same region and stays available through a zone outage.
ZRS stores synchronous copies across multiple availability zones in one region. That design keeps the data available if one zone becomes unavailable, while avoiding the extra complexity of a secondary region.
C
Distractor review
GRS, because it keeps a readable copy in the paired region and is always the best choice for resilience.
GRS adds asynchronous replication to a secondary region, but it does not specifically protect against a zone outage in the primary region. The question does not require secondary-region read access.
D
Distractor review
RA-GRS, because it provides read access to the secondary region and is required for zone-level resilience.
RA-GRS is useful when you need read access to a secondary region, but that is not the stated requirement. It also does not directly address zone-level resilience in the primary 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: ZRS, because it replicates data across zones in the same region and stays available through a zone outage. — Zone-redundant storage is the right choice when the business wants regional availability without needing a secondary region for reads. ZRS synchronously replicates data across multiple availability zones, so the storage account can continue to serve data if one zone fails. That makes it the best match for a workload that needs protection from a zone outage but does not require geo-replication. Why others are wrong: LRS only protects within a single datacenter, so it cannot survive a zone failure. GRS and RA-GRS add disaster recovery in a paired region, but the question specifically avoids requiring a secondary region. RA-GRS is also about readable secondary access, which is unnecessary here.
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.
Discussion
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