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Which cloud service model allows users to access software applications over the internet without managing the underlying infrastructure?

A
B
C
D
to track
2026 Statistics

Key Facts: MS-900 Exam

40-60

Exam Questions

Microsoft

700/1000

Passing Score

Microsoft (scaled)

60 min

Exam Duration

Microsoft

$99

Exam Fee

Microsoft

45-50%

Apps & Services

Largest domain

Never

Expiration

Does not expire

The MS-900 exam has 40-60 questions in 60 minutes with a passing score of 700/1000. Key domains: Microsoft 365 Apps and Services (45-50%), Security, Compliance, Privacy, and Trust (25-30%), Cloud Concepts (5-10%), and Pricing, Licensing, and Support (10-15%). No prerequisites required. Certification does not expire. Exam fee is $99. Available in-person or online proctored.

Sample MS-900 Practice Questions

Try these sample questions to test your MS-900 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1Which cloud service model allows users to access software applications over the internet without managing the underlying infrastructure?
A.Infrastructure as a Service (IaaS)
B.Platform as a Service (PaaS)
C.Software as a Service (SaaS)
D.Function as a Service (FaaS)
Explanation: Software as a Service (SaaS) provides fully functional applications over the internet. Users simply access and use the software without managing servers, operating systems, or application maintenance. Microsoft 365 is a prime example of SaaS. IaaS provides virtualized computing resources, PaaS provides a platform for developers to build applications, and FaaS is a serverless computing model.
2A company wants to move its on-premises Exchange Server to a cloud-based solution where Microsoft manages all infrastructure and updates. Which service model is this?
A.Private cloud IaaS
B.Hybrid cloud PaaS
C.Public cloud SaaS
D.Community cloud IaaS
Explanation: Exchange Online, as part of Microsoft 365, is a public cloud SaaS offering. Microsoft manages all infrastructure, servers, operating systems, and application updates. The customer simply uses the email service through the cloud. This eliminates the need for the company to maintain physical Exchange servers on-premises.
3Which cloud deployment model combines on-premises infrastructure with public cloud services, allowing data and applications to move between them?
A.Private cloud
B.Public cloud
C.Hybrid cloud
D.Community cloud
Explanation: A hybrid cloud combines private cloud (on-premises) infrastructure with public cloud services, enabling data and application portability between them. This is a common Microsoft 365 deployment scenario where organizations maintain some on-premises services (like Active Directory) while using cloud services like Exchange Online. Microsoft provides tools like Azure AD Connect to synchronize between environments.
4An organization wants to benefit from cloud computing while maintaining control over sensitive data in their own data center. Which deployment model should they choose?
A.Public cloud only
B.Private cloud only
C.Hybrid cloud
D.Multi-cloud
Explanation: A hybrid cloud deployment allows organizations to keep sensitive data and critical workloads in their private cloud (on-premises data center) while leveraging public cloud services for other workloads. This provides the benefits of cloud computing—scalability, flexibility—while maintaining control over sensitive assets. Microsoft 365 supports hybrid configurations for gradual cloud migration.
5What is a key benefit of cloud computing that allows organizations to quickly increase or decrease computing resources based on demand?
A.High availability
B.Scalability
C.Disaster recovery
D.Fault tolerance
Explanation: Scalability is the ability to quickly increase or decrease computing resources based on demand. In cloud computing, organizations can scale up during peak periods and scale down during slower periods, paying only for what they use. This is a fundamental benefit of Microsoft 365—users can add or remove licenses as needed without purchasing physical hardware.
6Which Microsoft 365 service provides persistent chat, video meetings, file sharing, and app integration in a unified workspace?
A.SharePoint Online
B.Microsoft Teams
C.Yammer
D.Exchange Online
Explanation: Microsoft Teams is the hub for teamwork in Microsoft 365, providing persistent chat, video meetings, file sharing, and integration with other Microsoft 365 apps. It brings together people, conversations, content, and tools in a unified workspace. Teams integrates with SharePoint for file storage and Exchange for calendaring.
7Where are files shared in a Microsoft Teams channel stored?
A.In Exchange Online mailboxes
B.In SharePoint Online document libraries
C.In OneDrive for Business folders
D.In Azure Blob storage directly
Explanation: Files shared in Teams channels are stored in SharePoint Online document libraries. Each team has an associated SharePoint site, and each channel has a folder within that site. Files shared in private chats are stored in OneDrive for Business. This integration allows users to access Teams files through both the Teams interface and directly through SharePoint.
8A company wants to enable external vendors to participate in specific Teams channels without giving them full access to the organization. What should they use?
A.Guest access in Teams
B.Anonymous meeting join
C.External federation only
D.SharePoint external sharing
Explanation: Guest access in Microsoft Teams allows organizations to add external users (vendors, partners, customers) to specific teams and channels with controlled permissions. Guests can participate in chats, meetings, and file collaboration while administrators maintain control over their access levels. This is different from external federation, which enables chat only with other organizations.
9Which feature in Microsoft Teams allows users to record meetings and automatically save the recording to Microsoft Stream (OneDrive/SharePoint)?
A.Teams Live Events
B.Meeting recording
C.Together mode
D.Breakout rooms
Explanation: Meeting recording in Teams captures audio, video, and screen sharing activity. Recordings are automatically saved to OneDrive for Business (for private meetings) or SharePoint Online (for channel meetings). This allows participants to review meetings later and share with those who could not attend. Teams Live Events is for broadcasting to large audiences.
10What is the maximum number of participants allowed in a standard Microsoft Teams meeting?
A.100 participants
B.1,000 participants
C.10,000 participants
D.Unlimited participants
Explanation: Standard Microsoft Teams meetings support up to 1,000 participants with full meeting capabilities (audio, video, chat, screen sharing). For larger audiences, Teams Live Events supports up to 20,000 attendees in a broadcast format. These limits are subject to change and may vary based on the organization's subscription plan.

About the MS-900 Exam

The Microsoft 365 Fundamentals (MS-900) exam validates foundational knowledge of Microsoft 365 cloud services and concepts. It covers cloud concepts and services, Microsoft 365 apps and services (Teams, Exchange, SharePoint, OneDrive), security, compliance, privacy, and trust, as well as pricing, licensing, and support options.

Questions

40 scored questions

Time Limit

60 minutes

Passing Score

700/1000 (scaled)

Exam Fee

$99 (Microsoft / Pearson VUE)

MS-900 Exam Content Outline

5-10%

Cloud Concepts

Cloud computing concepts, benefits (scalability, availability, agility), deployment models (public, private, hybrid), service models (SaaS, PaaS, IaaS), and shared responsibility model

45-50%

Microsoft 365 Apps and Services

Microsoft Teams, Exchange Online, SharePoint Online, OneDrive, Office apps (Word, Excel, PowerPoint, Outlook), Microsoft Viva, Power Platform, and collaboration features

25-30%

Security, Compliance, Privacy, and Trust

Microsoft Entra ID, Zero Trust, MFA, Conditional Access, Microsoft Defender XDR, Microsoft Purview, compliance solutions, data loss prevention (DLP), encryption, and privacy principles

10-15%

Pricing, Licensing, and Support

Microsoft 365 E3 and E5, Business plans, add-ons, service lifecycle, support options, SLAs, and Microsoft FastTrack

How to Pass the MS-900 Exam

What You Need to Know

  • Passing score: 700/1000 (scaled)
  • Exam length: 40 questions
  • Time limit: 60 minutes
  • Exam fee: $99

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

MS-900 Study Tips from Top Performers

1Focus on Microsoft 365 Apps and Services (45-50%) — know Teams, Exchange, SharePoint, and OneDrive features
2Understand Zero Trust principles: verify explicitly, use least privilege, assume breach
3Know Microsoft Entra ID concepts: SSO, MFA, Conditional Access, identity protection
4Understand compliance solutions: sensitivity labels, DLP, retention policies, and eDiscovery
5Study pricing plans: E3 vs E5, Business Basic/Standard/Premium, F3 for firstline workers
6Use the free Microsoft Learn paths — they align directly with exam objectives
7This is a concepts exam — focus on "what does it do" rather than "how to configure it"

Frequently Asked Questions

What is the MS-900 exam?

The MS-900 (Microsoft 365 Fundamentals) exam validates foundational knowledge of Microsoft 365 cloud services and concepts. It covers cloud concepts, Microsoft 365 apps and services (Teams, Exchange, SharePoint, OneDrive), security, compliance, privacy, pricing, licensing, and support.

How many questions are on the MS-900 exam?

The MS-900 exam has 40-60 multiple-choice questions in 60 minutes. The passing score is 700 out of 1000 (scaled). Questions test conceptual understanding rather than hands-on configuration skills.

Are there prerequisites for the MS-900 exam?

No prerequisites are required. Anyone can take the MS-900 exam. It is designed for beginners with no prior Microsoft 365 experience. The certification does not expire, making it a permanent addition to your credentials.

What is the largest domain on the MS-900 exam?

Microsoft 365 Apps and Services is the largest domain at 45-50%. It covers Teams (chat, meetings, calling), Exchange Online (email, calendar), SharePoint Online (sites, document management), OneDrive (file storage), Office apps (Word, Excel, PowerPoint, Outlook), and Microsoft Viva.

How should I prepare for the MS-900 exam?

Plan for 20-30 hours of study over 2-4 weeks. Use the free Microsoft Learn paths as your primary study material. Focus heavily on Microsoft 365 Apps and Services (45-50%) and Security/Compliance (25-30%). Complete 200+ practice questions and aim for 80%+ before scheduling.

What jobs can I get with MS-900 certification?

MS-900 certification demonstrates foundational knowledge of Microsoft 365 and can help with roles including: IT Support Specialist, Help Desk Technician, Microsoft 365 Administrator (entry-level), Office 365 Support, and Technical Support roles. It is often a stepping stone to role-based certifications like MS-102 (Microsoft 365 Administrator).