AZ-400 Develop a security and compliance plan Practice Question
This AZ-400 practice question tests your understanding of develop a security and compliance plan. 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.
Your company uses Microsoft Sentinel for security monitoring. Azure DevOps pipelines deploy resources to production. You need to create an automated response that triggers when Sentinel detects a high-severity alert related to unauthorized pipeline changes. The response should temporarily disable the service connection used by the pipeline and notify the security team. What should you do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a Sentinel playbook using Azure Logic Apps that calls the Azure DevOps REST API to update the service connection status.
Option C is correct because Sentinel playbooks (based on Logic Apps) can automate responses, including disabling service connections via Azure DevOps REST API. Option A is wrong because alerts alone don't run actions. Option B is wrong because service hooks trigger on events, not Sentinel alerts. Option D is wrong because Azure Policy can't disable service connections.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Configure a Sentinel analytics rule with the alert and use automated response to send an email.
Why it's wrong here
Email notification only, no automated disable.
✗
Set up an Azure DevOps service hook that triggers on pipeline events.
Why it's wrong here
Service hooks react to DevOps events, not Sentinel alerts.
✗
Use Azure Policy to deny changes to service connections.
Why it's wrong here
Policy denies changes but doesn't disable existing connections.
✓
Create a Sentinel playbook using Azure Logic Apps that calls the Azure DevOps REST API to update the service connection status.
Why this is correct
Playbook can disable the service connection and notify.
Related concept
Standard ACLs match source addresses.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-400 question in full detail.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related AZ-400 ACL questions on filtering logic and placement.
Develop a security and compliance plan — This question tests Develop a security and compliance plan — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Create a Sentinel playbook using Azure Logic Apps that calls the Azure DevOps REST API to update the service connection status. — Option C is correct because Sentinel playbooks (based on Logic Apps) can automate responses, including disabling service connections via Azure DevOps REST API. Option A is wrong because alerts alone don't run actions. Option B is wrong because service hooks trigger on events, not Sentinel alerts. Option D is wrong because Azure Policy can't disable service connections.
What should I do if I get this AZ-400 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related AZ-400 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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