- A
Use a rule with condition 'daysAfterLastAccessTimeGreaterThan' to tier and delete, and enable blob access tracking.
Correct. This option includes the condition 'daysAfterLastAccessTimeGreaterThan' which tracks when the blob was last read, and also enables blob access tracking, which is required for that condition to work. This aligns with the requirement to move blobs that have not been accessed.
- B
Use a rule with condition 'daysAfterLastAccessTimeGreaterThan' to tier and delete.
Why wrong: Incorrect. Although this option uses 'daysAfterLastAccessTimeGreaterThan', it does not mention enabling blob access tracking. Without enabling tracking, the condition cannot be evaluated, so the rule will not work.
- C
Use a rule with condition 'daysAfterSnapshotCreationGreaterThan' to tier and delete.
Why wrong: Incorrect. The condition 'daysAfterSnapshotCreationGreaterThan' is for snapshots, not for the requirement based on access time.
- D
Use a rule with condition 'daysAfterModificationGreaterThan' to tier after 30 days and delete after 365 days.
Why wrong: Incorrect. This option uses 'daysAfterModificationGreaterThan', which is based on last modification time, not access time. The requirement specifies 'if they have not been accessed', so modification time is not appropriate.
AZ-204 Azure Blob Lifecycle Management Practice Question
This AZ-204 practice question tests your understanding of develop for azure storage. 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. A key principle to apply: azure Blob Lifecycle Management. 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 have an Azure Storage account with cool tier blobs. You need to implement lifecycle management to move blobs to the archive tier after 30 days if they have not been accessed, and delete them after 365 days. Which lifecycle management rule action should you configure?
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
Use a rule with condition 'daysAfterLastAccessTimeGreaterThan' to tier and delete, and enable blob access tracking.
Option A is correct because the requirement specifies 'if they have not been accessed', which requires tracking last access time. Lifecycle management rules support the 'daysAfterLastAccessTimeGreaterThan' condition, but blob access tracking must be enabled for this condition to work. Option A includes both the condition and enabling access tracking, making it the correct choice. Option D uses 'daysAfterModificationGreaterThan', which tracks last modification time, not access time, so it does not meet the requirement.
Key principle: Azure Blob Lifecycle Management
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 a rule with condition 'daysAfterLastAccessTimeGreaterThan' to tier and delete, and enable blob access tracking.
Why this is correct
Correct. This option includes the condition 'daysAfterLastAccessTimeGreaterThan' which tracks when the blob was last read, and also enables blob access tracking, which is required for that condition to work. This aligns with the requirement to move blobs that have not been accessed.
Related concept
Azure Blob Lifecycle Management
- ✗
Use a rule with condition 'daysAfterLastAccessTimeGreaterThan' to tier and delete.
Why it's wrong here
Incorrect. Although this option uses 'daysAfterLastAccessTimeGreaterThan', it does not mention enabling blob access tracking. Without enabling tracking, the condition cannot be evaluated, so the rule will not work.
- ✗
Use a rule with condition 'daysAfterSnapshotCreationGreaterThan' to tier and delete.
Why it's wrong here
Incorrect. The condition 'daysAfterSnapshotCreationGreaterThan' is for snapshots, not for the requirement based on access time.
- ✗
Use a rule with condition 'daysAfterModificationGreaterThan' to tier after 30 days and delete after 365 days.
Why it's wrong here
Incorrect. This option uses 'daysAfterModificationGreaterThan', which is based on last modification time, not access time. The requirement specifies 'if they have not been accessed', so modification time is not appropriate.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap is that 'daysAfterModificationGreaterThan' is a common condition, but for access-based rules, you must use 'daysAfterLastAccessTimeGreaterThan' and explicitly enable blob access tracking on the storage account.
Detailed technical explanation
How to think about this question
The 'daysAfterModificationGreaterThan' condition evaluates the 'Last-Modified' timestamp of a blob, which is automatically updated when the blob is created or overwritten. In contrast, 'daysAfterLastAccessTimeGreaterThan' relies on the 'AccessTierChangeTime' property, which is only populated when blob access tracking is enabled via the 'blobAccessTracking' setting on the storage account. A real-world scenario where this matters is when you need to manage blobs based on last write time without incurring the overhead of access tracking, such as in archival workflows for log files that are written once and never modified.
KKey Concepts to Remember
- Azure Blob Lifecycle Management
- Blob Access Tracking
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
Azure Blob Lifecycle Management
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.
Quick reference
Azure Blob Storage Tier Comparison
| Tier | Storage Cost | Retrieval Cost | Latency | Use Case |
|---|---|---|---|---|
| Hot | Highest | Lowest | Immediate | Active data, frequent reads |
| Cool | Lower | Higher | Immediate | Data accessed < once / month |
| Cold | Lower still | Higher | Immediate | Data accessed < once / quarter |
| Archive | Lowest | Highest + rehydration delay | Hours | Long-term compliance retention |
What to study next
Got this wrong? Here's your next step.
Review azure Blob Lifecycle Management, then practise related AZ-204 questions on the same topic to reinforce the concept.
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Develop for Azure storage — study guide chapter
Learn the concepts, then practise the questions
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Develop for Azure storage practice questions
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FAQ
Questions learners often ask
What does this AZ-204 question test?
Develop for Azure storage — This question tests Develop for Azure storage — Azure Blob Lifecycle Management.
What is the correct answer to this question?
The correct answer is: Use a rule with condition 'daysAfterLastAccessTimeGreaterThan' to tier and delete, and enable blob access tracking. — Option A is correct because the requirement specifies 'if they have not been accessed', which requires tracking last access time. Lifecycle management rules support the 'daysAfterLastAccessTimeGreaterThan' condition, but blob access tracking must be enabled for this condition to work. Option A includes both the condition and enabling access tracking, making it the correct choice. Option D uses 'daysAfterModificationGreaterThan', which tracks last modification time, not access time, so it does not meet the requirement.
What should I do if I get this AZ-204 question wrong?
Review azure Blob Lifecycle Management, then practise related AZ-204 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Azure Blob Lifecycle Management
About these practice questions
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Last reviewed: Jun 24, 2026
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