This MS-900 practice question tests your understanding of describe security, compliance, privacy, and trust in microsoft 365. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: information Barriers prevent specific user groups from communicating.. 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.
A service owner is comparing Microsoft 365 capabilities and needs to prevent communication and collaboration between two business groups. Microsoft security, identity, or compliance capability should it use?
Information Barriers
Information Barriers restrict communication and collaboration between defined groups.
Microsoft Forms
Why wrong: Forms creates surveys and quizzes, not this security or compliance capability.
Microsoft Planner
Why wrong: Planner manages tasks and does not provide this security or compliance control.
Microsoft Stream
Why wrong: Stream hosts video content and does not meet this requirement.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Information Barriers
Information Barriers (IB) in Microsoft 365 are specifically designed to prevent communication and collaboration between defined user groups, such as two business groups that must not interact. IB policies use segment-based rules to block chat, email, and file sharing across groups, enforced at the Exchange Online, Teams, and SharePoint levels. This directly meets the service owner's requirement to isolate groups, unlike the other options which are general-purpose tools without such isolation capabilities.
Key principle: Information Barriers prevent specific user groups from communicating.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Information Barriers
Why this is correct
Information Barriers restrict communication and collaboration between defined groups.
Related concept
Information Barriers prevent specific user groups from communicating.
Microsoft Forms
Why it's wrong here
Forms creates surveys and quizzes, not this security or compliance capability.
Microsoft Planner
Why it's wrong here
Planner manages tasks and does not provide this security or compliance control.
Microsoft Stream
Why it's wrong here
Stream hosts video content and does not meet this requirement.
Common exam traps
The trap here is that candidates may confuse Information Barriers with other compliance features like Data Loss Prevention (DLP) or sensitivity labels, but the question specifically asks for a capability that prevents communication and collaboration between groups, which is the exact purpose of Information Barriers, not data protection or classification.
Detailed technical explanation
Information Barriers rely on Azure Active Directory (Azure AD) user attributes and segment definitions to create policies that are evaluated in real-time by Exchange Online transport rules, Teams chat and channel policies, and SharePoint site permissions. For example, a policy can block a user in Segment A from starting a Teams chat with a user in Segment B, and the enforcement uses the `InformationBarrierPolicy` cmdlets in Exchange Online PowerShell. In a real-world scenario, a financial services firm might use IB to prevent traders from communicating with research analysts to comply with regulatory walls.
Key takeaway
Information Barriers prevent specific user groups from communicating.
Real-world example
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.
What to study next
Review information Barriers prevent specific user groups from communicating., then practise related MS-900 questions on the same topic to reinforce the concept.
Describe security, compliance, privacy, and trust in Microsoft 365 — study guide chapter
Learn the concepts, then practise the questions
Describe security, compliance, privacy, and trust in Microsoft 365 practice questions
Targeted practice on this topic area only
All MS-900 questions
985 questions across all exam domains
Microsoft 365 Fundamentals MS-900 study guide
Full concept coverage aligned to exam objectives
MS-900 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise MS-900 questions linked to Describe Microsoft 365 apps and services.
Practise MS-900 questions linked to Describe Microsoft 365 pricing, licensing, and support.
Practise MS-900 questions linked to Describe cloud concepts.
Practise MS-900 questions linked to Describe security, compliance, privacy, and trust in Microsoft 365.
Practise MS-900 questions linked to Describe Microsoft 365 pricing and support.
Practise MS-900 questions linked to MS-900 fundamentals.
Practise MS-900 questions linked to MS-900 scenario.
Practise MS-900 questions linked to MS-900 troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Describe security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Information Barriers prevent specific user groups from communicating..
The correct answer is: Information Barriers — Information Barriers (IB) in Microsoft 365 are specifically designed to prevent communication and collaboration between defined user groups, such as two business groups that must not interact. IB policies use segment-based rules to block chat, email, and file sharing across groups, enforced at the Exchange Online, Teams, and SharePoint levels. This directly meets the service owner's requirement to isolate groups, unlike the other options which are general-purpose tools without such isolation capabilities.
Review information Barriers prevent specific user groups from communicating., then practise related MS-900 questions on the same topic to reinforce the concept.
Information Barriers prevent specific user groups from communicating.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 11, 2026
This MS-900 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 MS-900 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.