The answer is the Archive tier. This is correct because the lifecycle management policy shown moves blobs to Cool storage after 30 days and then to Archive after 90 days from the last modification date. Since the blob was modified 200 days ago, it passed the 90-day threshold long ago, triggering the move to Archive, and the delete action only occurs after 365 days, so the blob remains in Archive. On the Microsoft Azure Data Fundamentals DP-900 exam, this scenario tests your understanding of how lifecycle policies automate tier transitions based on age, often appearing as a scenario where you must trace the timeline. A common trap is confusing the Cool and Archive thresholds or forgetting that deletion is a separate, later action. Remember the memory tip: “30 to Cool, 90 to Archive, 365 to goodbye” — this helps you quickly map days to the correct tier without mixing up the sequence.
DP-900 Practice Question: Describe considerations for working with non-relational data on Azure
This DP-900 practice question tests your understanding of describe considerations for working with non-relational data on azure. 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 have applied the lifecycle management policy shown in the exhibit to an Azure Storage account. A blob named 'logs/error.log' was last modified 200 days ago. In which tier is the blob currently stored?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Archive tier
The policy moves blobs to Cool after 30 days and to Archive after 90 days. Since the blob was modified 200 days ago, it has already been moved to Archive after 90 days. The delete action occurs after 365 days, so it has not been deleted yet. Therefore, the blob is in the Archive tier.
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.
✗
Hot tier
Why it's wrong here
The blob would have been moved to Cool after 30 days and then to Archive after 90 days, so it is no longer in Hot.
✗
The blob has been deleted
Why it's wrong here
Deletion occurs at 365 days; 200 days is before deletion, so the blob exists in Archive.
✗
Cool tier
Why it's wrong here
After 90 days, the blob is moved to Archive, so at 200 days it is in Archive.
✓
Archive tier
Why this is correct
The policy archives blobs after 90 days; at 200 days, the blob is in Archive.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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.
Detailed technical explanation
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.
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 DP-900 question in full detail.
Identify which DP-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Describe considerations for working with non-relational data on Azure — This question tests Describe considerations for working with non-relational data on Azure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Archive tier — The policy moves blobs to Cool after 30 days and to Archive after 90 days. Since the blob was modified 200 days ago, it has already been moved to Archive after 90 days. The delete action occurs after 365 days, so it has not been deleted yet. Therefore, the blob is in the Archive tier.
What should I do if I get this DP-900 question wrong?
Identify which DP-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Variation 1. A company stores backup files in Azure Blob Storage. The backup files are accessed frequently for the first 30 days, then only rarely for the next six months. After one year, the files must be retained for compliance but are never accessed. The company wants to minimize storage costs. Which solution should they use?
Why B: Azure Blob Storage lifecycle management policies allow you to automatically transition blobs to cooler tiers (e.g., from Hot to Cool after 30 days, then to Archive after one year) and delete blobs after a specified period, all without manual intervention. This directly matches the access pattern: frequent access for 30 days, rare access for six months, and never accessed after one year, minimizing storage costs by using the most cost-effective tier for each phase.
Last reviewed: Jun 20, 2026
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