Section: Describe the Capabilities of Microsoft Identity and Access Man-agement Solutions Explanation:
Multi-factor authentication is a process where a user is prompted during the sign-in process for an additional form of identification, such as to enter a code on their cellphone or to provide a fingerprint scan.
Reference:
https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-mfa-howitworks

Explanation
Information barriers are supported in Microsoft Teams, SharePoint Online, and OneDrive for Business. A compliance administrator or information barriers administrator can define policies to allow or prevent communications between groups of users in Microsoft Teams. Information barrier policies can be used for situations like these:

Explanation
Azure Active Directory (Azure AD) access reviews enable organizations to efficiently manage group memberships, access to enterprise applications, and role assignments.

Reference:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/reports-and-insights-in-security- and-compliance?view=o365-worldwide

Reference:
https://docs.microsoft.com/en-us/cloud-app-security/what-is-cloud-app-security