Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A development team stores build artifacts in Azure Blob Storage. The artifacts must remain available if one datacenter in the Azure region fails, but the business does not want to pay for replication to another region. Which redundancy option should the administrator select?
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 multiple copies in the same zone and is the cheapest option.
LRS protects against localized disk or server issues, but it does not protect against a datacenter or zone failure.
B
Best answer
ZRS, because it distributes copies across availability zones within the same region.
ZRS is the right choice when you want resilience to a datacenter or zone failure within a region without paying for geo-replication. It stores copies across multiple availability zones, which improves availability while keeping the data in a single region. That matches the requirement to stay regional but survive a datacenter outage.
C
Distractor review
GRS, because it keeps the workload available in two regions at all times.
GRS adds a secondary region, which is more than the requirement asks for and increases cost. It also does not provide zone-specific protection in the same way ZRS does.
D
Distractor review
RA-GRS, because it provides zone redundancy and read access in the secondary region.
RA-GRS provides geo-replication with read access, but it does not add zone redundancy in the primary region. The name indicates read access, not availability zone coverage.
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 distributes copies across availability zones within the same region. — ZRS is appropriate when the main goal is to survive a datacenter or zone failure inside a single Azure region. It keeps the data within one region, which avoids the cost and operational implications of geo-replication. In this scenario, the team explicitly does not want replication to another region, so ZRS gives the required resilience without overengineering the storage account. Why others are wrong: LRS is limited to a single location and is not resilient to a zone failure. GRS and RA-GRS both add a secondary region, which exceeds the stated requirement and adds unnecessary cost. RA-GRS still does not solve the zone-resilience requirement by itself, because the primary-side protection being asked for is specifically zone-based.
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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