DP-203 Practice Question: Secure, monitor, and optimize data storage and data processing
You need to secure data at rest for an Azure Data Lake Storage Gen2 account that contains sensitive financial data. Which configuration should you enable to ensure that data is encrypted using a customer-managed key stored in Azure Key Vault, and that access to the key is logged?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure Azure Storage encryption with customer-managed keys in Azure Key Vault and enable Key Vault logging
Azure Storage encryption with customer-managed keys in Key Vault provides control and logging. Option A is wrong because Microsoft-managed keys are the default but do not provide customer control. Option B is wrong because client-side encryption requires managing keys on the client side. Option C is wrong because infrastructure encryption adds a second layer but does not use customer-managed keys.
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 Azure Storage encryption with Microsoft-managed keys
Why it's wrong here
Microsoft-managed keys do not provide customer control or logging of key access.
- ✗
Implement client-side encryption using Azure Key Vault
Why it's wrong here
Client-side encryption encrypts data before sending to storage, but the scenario implies server-side encryption.
- ✗
Enable infrastructure encryption for double encryption
Why it's wrong here
Infrastructure encryption adds a second layer but still uses Microsoft-managed keys by default.
- ✓
Configure Azure Storage encryption with customer-managed keys in Azure Key Vault and enable Key Vault logging
Why this is correct
This allows you to control and rotate keys, and logging provides an audit trail.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DP-203 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-203 exam.