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.
A company stores customer images in Azure Blob Storage. They need to reduce costs by automatically moving blobs that have not been accessed for 30 days to Cool tier, and after 90 days to Archive tier. They also need to delete blobs after one year. Which two Azure features should they implement? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Blob Storage lifecycle management policy
Azure Blob Storage lifecycle management policy is the correct feature because it allows you to define rules to automatically transition blobs to cooler tiers (Cool, Archive) based on the 'last accessed' or 'last modified' time, and to delete blobs after a specified period. This directly meets the requirement to move blobs after 30 days to Cool, after 90 days to Archive, and delete after one year, without manual intervention.
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.
✓
Azure Blob Storage lifecycle management policy
Why this is correct
Lifecycle management policies can automate tier transitions and deletions based on last modified or creation time.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure Blob Storage object replication
Why it's wrong here
Object replication copies blobs to another container, not tiering or deletion.
✗
Azure Blob Storage soft delete
Why it's wrong here
Soft delete protects against accidental deletion but does not automate lifecycle actions.
✗
Azure Blob Storage immutability policy
Why it's wrong here
Immutability prevents deletion and modification, opposite to the requirement.
✗
Azure Blob Storage versioning with a retention policy
Why it's wrong here
Versioning retains old versions; it does not automate tiering or deletion.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse lifecycle management with soft delete or versioning, thinking those features can also handle automatic tiering and deletion, but they are designed for data protection and recovery, not cost-optimized tier transitions based on age.
Detailed technical explanation
How to think about this question
Lifecycle management policies in Azure Blob Storage are defined as JSON rules that evaluate blob properties such as 'lastAccessTime' or 'creationTime' to trigger actions like 'tierToCool', 'tierToArchive', or 'delete'. The 'lastAccessTime' property is only updated when blob access tracking is enabled, which incurs additional read costs; otherwise, 'creationTime' or 'lastModifiedTime' is used. In a real-world scenario, enabling access tracking ensures accurate tiering based on actual usage, but you must balance the cost of tracking against potential savings.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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: Azure Blob Storage lifecycle management policy — Azure Blob Storage lifecycle management policy is the correct feature because it allows you to define rules to automatically transition blobs to cooler tiers (Cool, Archive) based on the 'last accessed' or 'last modified' time, and to delete blobs after a specified period. This directly meets the requirement to move blobs after 30 days to Cool, after 90 days to Archive, and delete after one year, without manual intervention.
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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