- A
Use an emptyDir volume within the container group.
Why wrong: emptyDir volumes are ephemeral and exist only as long as the container group is running. Data is lost when the container group is restarted or deleted.
- B
Mount an Azure Files share as a volume in the container group.
Correct. Azure Files provides durable, shared storage that persists independently of the container lifecycle. You can mount it using the 'azureFile' volume mount in ACI.
- C
Use the container's own filesystem and copy data to a blob storage on shutdown.
Why wrong: This approach is complex and unreliable because the container may crash without proper shutdown. A simpler solution is to use persistent storage natively.
- D
Enable Azure Disk Encryption on the container group.
Why wrong: Azure Disk Encryption is for security, not persistence. It does not provide persistent storage across restarts.
AZ-204 Develop Azure compute solutions Practice Question
This AZ-204 practice question tests your understanding of develop azure compute solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 deploy a containerized web application to Azure Container Instances (ACI). The application writes session data to a local directory. You need the data to persist across container restarts (e.g., after a crash or redeployment). Which storage configuration should you use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Mount an Azure Files share as a volume in the container group.
Option B is correct because Azure Files provides a fully managed SMB file share in the cloud that can be mounted as a volume in an Azure Container Instance. This allows session data written to the local directory to persist across container restarts, crashes, or redeployments, as the data lives on the share rather than in the ephemeral container filesystem.
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.
- ✗
Use an emptyDir volume within the container group.
Why it's wrong here
emptyDir volumes are ephemeral and exist only as long as the container group is running. Data is lost when the container group is restarted or deleted.
- ✓
Mount an Azure Files share as a volume in the container group.
Why this is correct
Correct. Azure Files provides durable, shared storage that persists independently of the container lifecycle. You can mount it using the 'azureFile' volume mount in ACI.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use the container's own filesystem and copy data to a blob storage on shutdown.
Why it's wrong here
This approach is complex and unreliable because the container may crash without proper shutdown. A simpler solution is to use persistent storage natively.
- ✗
Enable Azure Disk Encryption on the container group.
Why it's wrong here
Azure Disk Encryption is for security, not persistence. It does not provide persistent storage across restarts.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'emptyDir' (which is ephemeral and often used in Kubernetes for temporary storage) with a persistent volume, not realizing that ACI's emptyDir is also ephemeral and does not survive container group restarts.
Detailed technical explanation
How to think about this question
Azure Container Instances supports mounting Azure Files shares via the SMB 3.0 protocol, which requires port 445 to be open. The mount is defined in the container group's YAML or ARM template under the 'volumes' property, and the container can write to the mount path as if it were a local directory. In production, you must ensure that the Azure Files share is in the same region as the ACI and that the storage account key or managed identity is used for authentication.
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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Develop Azure compute solutions — study guide chapter
Learn the concepts, then practise the questions
- →
Develop Azure compute solutions practice questions
Targeted practice on this topic area only
- →
All AZ-204 questions
997 questions across all exam domains
- →
Microsoft Azure Developer Associate AZ-204 study guide
Full concept coverage aligned to exam objectives
- →
AZ-204 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Related AZ-204 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Develop Azure compute solutions practice questions
Practise AZ-204 questions linked to Develop Azure compute solutions.
Develop for Azure storage practice questions
Practise AZ-204 questions linked to Develop for Azure storage.
Implement Azure security practice questions
Practise AZ-204 questions linked to Implement Azure security.
Connect to and consume Azure services and third-party services practice questions
Practise AZ-204 questions linked to Connect to and consume Azure services and third-party services.
Monitor, troubleshoot, and optimize Azure solutions practice questions
Practise AZ-204 questions linked to Monitor, troubleshoot, and optimize Azure solutions.
AZ-204 fundamentals practice questions
Practise AZ-204 questions linked to AZ-204 fundamentals.
AZ-204 scenario practice questions
Practise AZ-204 questions linked to AZ-204 scenario.
AZ-204 troubleshooting practice questions
Practise AZ-204 questions linked to AZ-204 troubleshooting.
Practice this exam
Start a free AZ-204 practice session
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Questions learners often ask
What does this AZ-204 question test?
Develop Azure compute solutions — This question tests Develop Azure compute solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Mount an Azure Files share as a volume in the container group. — Option B is correct because Azure Files provides a fully managed SMB file share in the cloud that can be mounted as a volume in an Azure Container Instance. This allows session data written to the local directory to persist across container restarts, crashes, or redeployments, as the data lives on the share rather than in the ephemeral container filesystem.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 11, 2026
This AZ-204 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-204 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.