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DP-203 Practice Question: Designing data security for Azure Data Lake…
You are designing data security for Azure Data Lake Storage Gen2. The requirement is to prevent data from being accessed by anyone outside the corporate network. Which feature should you enable?
⚠ Common exam trap
Test-takers frequently confuse network-level security (Private Endpoint) with access control (RBAC) or data protection (encryption), thinking that denying RBAC roles or enabling encryption alone can prevent external access, when only network isolation truly blocks traffic from outside the corporate network.
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
✓
Use Azure Private Endpoint or service endpoint with a VNet.
Azure Private Endpoint or service endpoint with a VNet ensures that all traffic to the storage account stays within the corporate network and never traverses the public internet. Private Endpoint assigns a private IP from the VNet to the storage account, effectively isolating it from public access. This meets the requirement to prevent access from outside the corporate network by enforcing network-level isolation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use Azure Private Endpoint or service endpoint with a VNet.
Why this is correct
Private endpoint ensures data is accessed only from within the VNet.
- ✗
Assign RBAC roles to deny access to all except corporate users.
Why it's wrong here
RBAC controls access based on identity, not network location.
- ✗
Configure IP firewall rules to allow only corporate IP ranges.
Why it's wrong here
IP firewall allows specific IPs but not network-level restriction via VNet.
- ✗
Enable encryption at rest using customer-managed keys.
Why it's wrong here
Encryption protects data if accessed but does not restrict access.
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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.