DP-300 Implement a secure environment Practice Question
This DP-300 practice question tests your understanding of implement a secure environment. 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.
Your Azure SQL Managed Instance stores sensitive financial data. You must prevent unauthorized access from Azure services and ensure that only specific virtual networks can connect. You also need to audit all failed login attempts. Which combination of configurations should you implement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a private endpoint, set 'Public network access' to 'Deny', and enable Azure SQL Auditing with a log analytics workspace.
Option B is correct because creating a private endpoint for Azure SQL Managed Instance ensures that traffic to the instance traverses the Microsoft backbone network and is only accessible from within the specified virtual network. Setting 'Public network access' to 'Deny' explicitly blocks all public internet traffic, including traffic from other Azure services that do not originate from the approved VNet. Enabling Azure SQL Auditing with a Log Analytics workspace captures all failed login attempts, meeting the audit requirement. This combination directly addresses the need to prevent unauthorized access from Azure services and enforce VNet-only connectivity while auditing failed logins.
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 Microsoft Defender for SQL and set up anomaly detection alerts.
Why it's wrong here
Defender detects threats but does not provide login auditing.
✓
Create a private endpoint, set 'Public network access' to 'Deny', and enable Azure SQL Auditing with a log analytics workspace.
Why this is correct
Private endpoint with public access denied secures network; auditing logs failed logins.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable SQL vulnerability assessment and configure email notifications.
Why it's wrong here
Vulnerability assessment does not audit login attempts.
✗
Configure VNet service endpoints and set the firewall to allow only your VNet.
Why it's wrong here
Service endpoints do not block all public access; an additional deny firewall rule is needed.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse VNet service endpoints with private endpoints, assuming service endpoints provide the same level of isolation and access control, but service endpoints still leave the resource publicly resolvable and do not block all Azure service traffic.
Detailed technical explanation
How to think about this question
A private endpoint uses a private IP address from your VNet, effectively placing the managed instance on your network and eliminating exposure to the public internet. When 'Public network access' is set to 'Deny', the instance's public endpoint is disabled, and only connections through the private endpoint are allowed. Azure SQL Auditing, when configured with a Log Analytics workspace, logs all authentication attempts, including failed logins, with detailed metadata such as source IP and timestamp, which can be queried via KQL for forensic analysis.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-300 question in full detail.
Implement a secure environment — This question tests Implement a secure environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a private endpoint, set 'Public network access' to 'Deny', and enable Azure SQL Auditing with a log analytics workspace. — Option B is correct because creating a private endpoint for Azure SQL Managed Instance ensures that traffic to the instance traverses the Microsoft backbone network and is only accessible from within the specified virtual network. Setting 'Public network access' to 'Deny' explicitly blocks all public internet traffic, including traffic from other Azure services that do not originate from the approved VNet. Enabling Azure SQL Auditing with a Log Analytics workspace captures all failed login attempts, meeting the audit requirement. This combination directly addresses the need to prevent unauthorized access from Azure services and enforce VNet-only connectivity while auditing failed logins.
What should I do if I get this DP-300 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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