- Exam Code: MS-100
- Exam Name: Microsoft 365 Identity and Services
- Updated: Nov 06, 2026
- Q & A: 431 Questions and Answers
Behind every order at Actual4Dumps is a routine most buyers never see: our team checks for MS-100 exam updates every day, and the moment a revised version of the Microsoft 365 Identity and Services question bank is released, the system sends it to your email automatically. That is how your 431 practice questions stay current in 2026 and beyond.
| Section | Objectives |
|---|---|
| Topic 1: Implement application and external access | - Configure application registration and enterprise applications - Manage external collaboration and guest access |
| Topic 2: Implement and manage Microsoft 365 identity synchronization | - Manage synchronization rules and troubleshooting - Deploy and manage Azure AD Connect |
| Topic 3: Implement Microsoft 365 identity and access | - Configure Azure Active Directory (Entra ID) - Implement authentication methods and access policies |
| Topic 4: Manage Microsoft 365 identity and access | - Manage user and group identities in Microsoft 365 - Manage identity synchronization using Azure AD Connect - Manage secure access in Microsoft 365 |
The MS-100 exam is the official assessment for the Microsoft 365 Identity and Services certification offered by Microsoft. It checks whether you can apply the knowledge areas in the exam objectives to practical situations, and passing it earns a credential that employers across the industry recognize. For professionals who feel stuck in their current role, it is often the most concrete next step available.
No formal prerequisites, but MS-100 and MS-101 are both required to earn the Microsoft 365 Certified: Enterprise Administrator Expert certification.
The official outline for the MS-100 exam highlights these domains:
Weighting your study time toward the heavier domains first is a sensible strategy, and the Microsoft 365 Identity and Services practice questions at Actual4Dumps follow the same objective structure.
Microsoft recommends the following training resources for MS-100 exam candidates:
Pairing official courses with timed practice sessions tends to work well, since one builds knowledge and the other builds exam-day rhythm.
The MS-100 exam gives you 180 minutes minutes to answer 40-60 questions. That pace leaves little room for hesitation, which is why rehearsing under a timer — for example with the online test engine at Actual4Dumps, where you can set the session length just like the real test — is such a useful habit.
The online test engine is exclusive to Actual4Dumps and runs on any electronic device — phone, tablet, or computer — with no installation barriers. It recreates the atmosphere of the real MS-100 exam: you set the test time the way it will be on exam day, work through the Microsoft 365 Identity and Services practice questions under that pressure, and at the end the engine marks the questions you got wrong and reminds you to practice them again next time. Over a few sessions, that loop turns weak areas into reliable ones.
To pass the MS-100 exam you need a score of 700, and the registration fee is USD 165 (varies by region). Since each attempt costs the full fee, arriving over-prepared is cheaper than arriving under-prepared — timed mock sessions and repeated review of missed questions are the usual ways candidates close that gap.
Registration for the MS-100 exam is handled through the official channels below:
Once your practice scores look consistent, booking a date gives your preparation a firm deadline to work toward.
Right after payment you get instant access to the MS-100 exam product — 431 practice questions for the Microsoft 365 Identity and Services exam with expert-verified answers — and the download link is also emailed to you automatically, typically within a minute. Your purchase includes 365 days of free updates; our team checks for exam changes daily, and when a new version is released the system sends it straight to your mailbox. A 50% renewal discount applies if you extend updates beyond the first year, and payment by Credit Card is handled through a secure checkout.
You have a Microsoft 365 E5 subscription linked to an Azure Active Directory (Azure AD) tenant named contoso.onmicrosoft.com. You plan to import the Microsoft Power Platform Center of Excellence (CoE) Starter Kit You need to configure the HTTP with Azure AD connection. Which base resource URL should you use?
Correct Answer: A 🗳️
You have a Microsoft 365 tenant.
A partner company has an email domain named contoso.com.
You need to prevent out-of-office replies from being sent to contoso.com.
What should you create?
Correct Answer: D 🗳️
Your company has 10 offices.
The network contains an Active Directory domain named contoso.com. The domain contains 500 client computers. Each office is configured as a separate subnet.
You discover that one of the offices has the following:
Computers that have several preinstalled applications
Computers that use nonstandard computer names
Computers that have Windows 10 preinstalled
Computers that are in a workgroup
You must configure the computers to meet the following corporate requirements:
All the computers must be joined to the domain.
All the computers must have computer names that use a prefix of CONTOSO.
All the computers must only have approved corporate applications installed.
You need to recommend a solution to redeploy the computers. The solution must minimize the deployment time.
Correct Answer: D 🗳️
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You have a Microsoft 36S subscription that contains several Microsoft SharePoint Online sites. You discover that users from your company can invite external users to access files on the SharePoint sites. You need to ensure that the company users can invite only authenticated guest users to the sites. What should you do?
Correct Answer: B 🗳️
Explanation: Only visible for Actual4Dumps members. You can sign-up / login (it's free).
You publish an enterprise application named App1 that process financial data.
You need to ensure that access to App1 is revoked for users who no longer require view the processed financial data.
What should you configure?
Correct Answer: C 🗳️
Explanation: Only visible for Actual4Dumps members. You can sign-up / login (it's free).
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