Microsoft 365 Fundamentals MS-900 Practice Question
Your company manages user accounts with an on-premises Active Directory environment. You plan to adopt Microsoft 365 and want users to access both on-premises and cloud resources using the same credentials. You require an identity model that provides single sign-on (SSO) without deploying additional servers in your environment.
Which identity model should you implement?
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Pass-through Authentication (PTA)
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Cloud Identity
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Password Hash Synchronization (PHS)
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Federation with Active Directory Federation Services (AD FS)
Password Hash Synchronization (PHS) allows synchronization of password hashes from your on-premises Active Directory to Microsoft Entra ID (formerly Azure AD). This enables users to sign in to both on-premises and cloud resources with the same credentials and supports Seamless Single Sign-On without the need for additional on-premises servers.
Cloud Identity does not integrate with on-premises Active Directory, so users would have separate credentials.
Federation with Active Directory Federation Services (AD FS) also requires additional on-premises servers to handle authentication requests.
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What is Password Hash Synchronization (PHS)?
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What is Single Sign-On (SSO) and how does it relate to PHS?
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What are other identity models available for Microsoft 365?
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Microsoft 365 Fundamentals MS-900
Describe security, compliance, privacy, and trust in Microsoft 365
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