AZ-204 Develop for Azure storage 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. 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 need to ensure that data stored in Azure Blob Storage is encrypted at rest using a customer-managed key stored in Azure Key Vault. Which feature 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
✓
Azure Storage encryption with customer-managed keys in Azure Key Vault
Azure Storage encryption with customer-managed keys in Azure Key Vault allows you to use your own encryption keys to protect data at rest in Blob Storage. This feature leverages Azure Storage Service Encryption (SSE) but wraps the data encryption key with a customer-managed key stored in Azure Key Vault, providing full control over key rotation and access policies.
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.
✓
Azure Storage encryption with customer-managed keys in Azure Key Vault
Why this is correct
This enables encryption at rest using a key stored in Key Vault, meeting the requirement.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure Disk Encryption (ADE) for the storage account
Why it's wrong here
ADE is for virtual machine disks, not for Azure Storage blob data.
✗
Azure Information Protection (AIP) for the blob container
Why it's wrong here
AIP is for classification and labeling, not encryption at rest.
✗
Azure Storage Service Encryption (SSE) with Microsoft-managed keys
Why it's wrong here
Microsoft-managed keys are the default, but the requirement is for customer-managed keys.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Disk Encryption (ADE) with storage account encryption, or assume that default Microsoft-managed keys satisfy the requirement for customer-managed keys, when in fact you must explicitly configure customer-managed keys in Azure Key Vault.
Detailed technical explanation
How to think about this question
Under the hood, Azure Storage encryption uses 256-bit AES encryption. When you configure customer-managed keys, Azure Storage requests the key from Azure Key Vault to wrap the data encryption key (DEK) used for each blob; the DEK is stored encrypted alongside the data. A real-world scenario where this matters is compliance with regulations like HIPAA or GDPR that require the organization to control and audit key usage, including key rotation and revocation.
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: Azure Storage encryption with customer-managed keys in Azure Key Vault — Azure Storage encryption with customer-managed keys in Azure Key Vault allows you to use your own encryption keys to protect data at rest in Blob Storage. This feature leverages Azure Storage Service Encryption (SSE) but wraps the data encryption key with a customer-managed key stored in Azure Key Vault, providing full control over key rotation and access policies.
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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