The answer is that the command is blocked due to PowerShell ConstrainedLanguage mode. Microsoft Defender for Endpoint live response operates within a restricted PowerShell language mode called ConstrainedLanguage, which intentionally limits cmdlets like Get-Service to prevent attackers from using the session to execute arbitrary code or enumerate system services. Even though the BITS service exists and may be stopped, the command returns no output because the language mode blocks the cmdlet entirely, not because the service is missing or due to permission issues. On the SC-200 exam, this tests your understanding of how live response balances investigative power with security restrictions—a common trap is assuming the service is absent or that permissions are the culprit. Remember the memory tip: if a live response command returns nothing, think “constrained, not absent.”
SC-200 Respond to security incidents Practice Question
This SC-200 practice question tests your understanding of respond to security incidents. 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.
During an incident response, an analyst runs a live response command on a Windows device using Microsoft Defender for Endpoint. The command 'Get-Service -Name BITS' returns no output. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The command is blocked due to PowerShell ConstrainedLanguage mode.
Live response uses a restricted PowerShell language mode (ConstrainedLanguage) which blocks many commands. Get-Service may not be available. The service might be stopped but still exist; permissions are usually fine.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The live response session has insufficient privileges.
Why it's wrong here
The session runs as SYSTEM, so privileges are sufficient.
✗
The BITS service is disabled and hidden.
Why it's wrong here
Disabled services are still queryable via Get-Service.
✓
The command is blocked due to PowerShell ConstrainedLanguage mode.
Why this is correct
Live response runs in ConstrainedLanguage mode, which restricts cmdlets. Get-Service is not allowed.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Authentication checks who the user is.
✗
The BITS service is not installed on the device.
Why it's wrong here
BITS is a standard Windows service; if not installed, Get-Service would return an error, not no output.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Trap categories for this question
Command / output trap
BITS is a standard Windows service; if not installed, Get-Service would return an error, not no output.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
→Do not assume successful login means full administrative access.
→Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
→Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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 SC-200 question in full detail.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SC-200 questions on access control and AAA configuration.
Respond to security incidents — This question tests Respond to security incidents — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: The command is blocked due to PowerShell ConstrainedLanguage mode. — Live response uses a restricted PowerShell language mode (ConstrainedLanguage) which blocks many commands. Get-Service may not be available. The service might be stopped but still exist; permissions are usually fine.
What should I do if I get this SC-200 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SC-200 questions on access control and AAA configuration.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Authentication checks who the user is.
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