The answer is to enable blob soft delete, as this feature directly addresses the need for accidental deletion prevention while allowing developers to update existing blobs. Blob soft delete works by retaining deleted blob data for a configurable retention period, meaning that when a developer accidentally removes a blob, it is not permanently lost—it can be recovered before the retention window expires. Importantly, this setting only intercepts delete operations, not overwrites, so updates to existing blobs remain unaffected, perfectly matching the requirement. On the AZ-104 exam, this scenario tests your understanding of Azure Storage protection mechanisms, often appearing in questions that contrast soft delete with versioning or snapshots; a common trap is confusing soft delete with immutable storage, which prevents both deletion and modification. Remember the memory tip: “Soft delete saves the delete, not the update”—if you need to guard against accidental removal without blocking edits, soft delete is your answer.
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 storage account hosts blobs used by a public website. You need to reduce the risk of accidental deletion by developers while allowing updates to existing blobs. What should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable blob soft delete.
Blob soft delete protects against accidental deletion by retaining deleted blobs for a specified retention period, allowing recovery. This meets the requirement to reduce risk from developers while still permitting updates to existing blobs, as soft delete only applies to delete operations, not overwrites.
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.
✓
Enable blob soft delete.
Why this is correct
This retains deleted blobs for recovery while allowing normal blob updates.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable immutable storage for the container.
Why it's wrong here
Immutable storage would prevent modifications, which conflicts with the requirement to allow updates.
✗
Move the account to premium performance.
Why it's wrong here
Performance tier does not address accidental deletion.
✗
Enable static website hosting only.
Why it's wrong here
Static website hosting does not provide deletion protection.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse blob soft delete with immutable storage, assuming both prevent deletion, but immutable storage also blocks updates, which violates the requirement to allow modifications to existing blobs.
Detailed technical explanation
How to think about this question
Blob soft delete works by marking a blob as 'soft-deleted' when a DELETE operation is issued, moving it to a hidden state while preserving its data and metadata for the configured retention period (default 7 days, up to 365 days). Under the hood, the blob's version ID is retained, and the blob can be undeleted via the REST API or Azure portal. In a real-world scenario, a developer accidentally deleting a production blob (e.g., a critical JavaScript file) can be recovered within minutes without needing backup restoration, minimizing downtime.
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: Enable blob soft delete. — Blob soft delete protects against accidental deletion by retaining deleted blobs for a specified retention period, allowing recovery. This meets the requirement to reduce risk from developers while still permitting updates to existing blobs, as soft delete only applies to delete operations, not overwrites.
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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