The answer is Blob lifecycle management, the correct feature to automatically move a monthly report file to a cheaper online tier after 90 days in Azure Blob Storage. This policy works by defining rules that trigger actions based on blob age, such as transitioning data from the Hot to Cool tier, which directly meets the requirement for automated, cost-effective data tiering without manual intervention. On the AZ-104 exam, this scenario tests your understanding of storage optimization features, often appearing as a distractor against manual tiering or Azure Automation; a common trap is confusing lifecycle management with Azure Backup or retention policies, which handle data protection rather than tier transitions. Remember, lifecycle management is rule-based and operates at the storage account or container level, making it the go-to for time-based tiering. Memory tip: think "age triggers tier" — if a blob gets older, lifecycle management moves it colder.
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage 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. 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 monthly report file must automatically move to a cheaper online tier after 90 days in Azure Blob Storage. Which feature should the administrator configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Blob lifecycle management
Blob lifecycle management is the correct feature because it allows administrators to define rules that automatically transition blobs to a cheaper access tier (e.g., from Hot to Cool) after a specified number of days. This policy operates at the storage account or container level and can move data to the Cool or Archive tier based on age, meeting the requirement of moving the report file after 90 days 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.
✓
Blob lifecycle management
Why this is correct
Lifecycle management can automatically transition blobs between tiers based on age or other rules, reducing manual administration.
Related concept
Read the scenario before looking for a memorised answer.
✗
Archive rehydration policy
Why it's wrong here
Rehydration applies after data is already in Archive and needs to return to an online tier.
✗
Snapshot retention
Why it's wrong here
Snapshots preserve point-in-time copies, but they do not automatically change blob access tiers.
✗
Storage account failover
Why it's wrong here
Failover changes the active region and is unrelated to tier automation for individual blobs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse 'archive rehydration' (which moves data from Archive to a cheaper tier? No, it moves to an online tier) with lifecycle management, or think snapshot retention can handle tiering, but snapshots are only for versioning and recovery, not cost-based tier transitions.
Detailed technical explanation
How to think about this question
Blob lifecycle management uses XML-based policy rules defined in JSON or XML, evaluated every 24 hours by Azure Storage. The policy can include filters for blob type (block or append), prefix matching, and actions like 'tierToCool' or 'tierToArchive' after a specified number of days since creation or last modification. A real-world scenario is automatically moving logs from Hot to Cool after 30 days and then to Archive after 180 days to optimize costs, with the rule ensuring no manual oversight is needed.
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-104 question in full detail.
Implement and Manage Storage — This question tests Implement and Manage Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Blob lifecycle management — Blob lifecycle management is the correct feature because it allows administrators to define rules that automatically transition blobs to a cheaper access tier (e.g., from Hot to Cool) after a specified number of days. This policy operates at the storage account or container level and can move data to the Cool or Archive tier based on age, meeting the requirement of moving the report file after 90 days without manual intervention.
What should I do if I get this AZ-104 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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