The correct answer is read, write, and delete access to blobs in container c1. This is because the Azure RBAC role assignment scope for the Storage Blob Data Contributor role is set specifically at the container level, meaning the managed identity inherits permissions only for blob data operations within that single container, not for the entire storage account or other containers. On the Microsoft Azure Developer Associate AZ-204 exam, this scenario tests your understanding of how Azure RBAC role scope granularity works—a common trap is confusing the Storage Blob Data Contributor role (which grants data plane access) with the Storage Account Contributor role (which grants management plane access). Remember that the scope in the JSON defines the boundary of the role’s effect; here, the container name in the scope path is the key detail. A useful memory tip: “Scope sets the box, role defines the locks”—if the scope is a container, you cannot touch blobs outside it, even with a contributor role.
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.
Exhibit
{"role": "Storage Blob Data Contributor", "scope": "/subscriptions/12345/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/st1/blobServices/default/containers/c1"}
Refer to the exhibit. You are reviewing a role assignment for a managed identity. The JSON shows the role and scope. What access does this assignment grant?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Read, write, and delete access to blobs in container c1.
The role assignment grants the 'Storage Blob Data Contributor' role at the scope of container 'c1'. This role provides read, write, and delete access to blob data within that specific container, but not management operations on the storage account itself. Option C correctly identifies this level of access.
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.
✗
Full management access to the storage account.
Why it's wrong here
Role is specific to blob data, not management.
✗
Read access to all containers in the storage account.
Why it's wrong here
Scope is limited to one container.
✓
Read, write, and delete access to blobs in container c1.
Why this is correct
Storage Blob Data Contributor grants these permissions at container scope.
Related concept
Read the scenario before looking for a memorised answer.
✗
Read-only access to blobs in container c1.
Why it's wrong here
Role includes write and delete permissions.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the 'Storage Blob Data Contributor' role with read-only access (Option D) or assume it applies to the entire storage account (Option B), missing the critical scope restriction to container 'c1'.
Detailed technical explanation
How to think about this question
Under the hood, Azure RBAC for blob data uses actions like 'Microsoft.Storage/storageAccounts/blobServices/containers/blobs/read', 'write', and 'delete' to control data plane operations. The 'Storage Blob Data Contributor' role includes all three, but only at the assigned scope—here, the container 'c1'. This is distinct from management plane roles like 'Contributor', which operate on the ARM API (e.g., 'Microsoft.Storage/storageAccounts/write'). In real-world scenarios, scoping to a container is common for multi-tenant applications where each tenant gets a dedicated container with full blob access.
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-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: Read, write, and delete access to blobs in container c1. — The role assignment grants the 'Storage Blob Data Contributor' role at the scope of container 'c1'. This role provides read, write, and delete access to blob data within that specific container, but not management operations on the storage account itself. Option C correctly identifies this level of access.
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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