The answer is FileStorage (premium file shares). This storage account type is the correct choice because it delivers low-latency SMB access for multiple Azure VMs in the same region, using solid-state drives to meet the high-performance demands of frequently accessed files. On the Microsoft Azure Developer Associate AZ-204 exam, this question tests your ability to differentiate between storage tiers and protocols—a common trap is selecting BlobStorage for performance, but it lacks native SMB support, or choosing a standard tier like transaction-optimized, which cannot guarantee the required low latency. Remember that premium file shares are the only Azure Files offering that combines SMB protocol with consistent sub-millisecond latency for concurrent VM workloads. A useful memory tip is to associate “premium” with “performance” and “FileStorage” with “files over SMB”—if the scenario demands both low latency and SMB, always default to FileStorage.
AZ-204 Develop for Azure storage Practice Question
This AZ-204 practice question tests your understanding of develop for azure storage. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are designing a solution that uses Azure File Shares. The application requires low-latency access to files from multiple Azure virtual machines in the same region. The files are accessed frequently and must support SMB protocol. Which storage account type and tier should you recommend?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
FileStorage (premium file shares).
Option D is correct because Azure premium file shares (FileStorage) provide low-latency, high-performance access using the SMB protocol, which is required for frequently accessed files from multiple VMs in the same region. Standard tiers (cool or transaction-optimized) do not meet the low-latency requirement, and BlobStorage does not support SMB protocol natively.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Standard general-purpose v2 with cool tier.
Why it's wrong here
Cool tier is for infrequently accessed data and has higher latency.
✗
Standard general-purpose v2 with transaction-optimized tier.
Why it's wrong here
Transaction-optimized tier is for high transaction workloads, but standard storage may have higher latency.
✗
BlobStorage with hot tier.
Why it's wrong here
BlobStorage does not support file shares.
✓
FileStorage (premium file shares).
Why this is correct
FileStorage provides premium file shares with low latency and high performance.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the transaction-optimized tier with performance optimization, but it only optimizes for cost per transaction, not latency, while BlobStorage is mistakenly thought to support SMB via NFS or other protocols, which it does not natively.
Detailed technical explanation
How to think about this question
Azure premium file shares (FileStorage) are backed by SSD storage, providing consistent sub-10ms latency for SMB 3.0 and SMB 2.1 protocols, which is critical for applications like SQL Server or high-performance computing. Under the hood, premium shares use a distributed file system with provisioned IOPS and throughput, allowing scaling based on share size. In real-world scenarios, this is essential for lift-and-shift workloads where on-premises file servers are migrated to Azure without application changes.
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.
TExam Day Tips
→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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
Develop for Azure storage — This question tests Develop for Azure storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: FileStorage (premium file shares). — Option D is correct because Azure premium file shares (FileStorage) provide low-latency, high-performance access using the SMB protocol, which is required for frequently accessed files from multiple VMs in the same region. Standard tiers (cool or transaction-optimized) do not meet the low-latency requirement, and BlobStorage does not support SMB protocol natively.
What should I do if I get this AZ-204 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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