In this chapter, you learned about the basic and advanced scenarios of authentication and identities used in Office 365. Cloud identity is the scenario where you only have users in the cloud. Synced identity is where you synchronize your users, groups, and contacts to Microsoft Azure AD. And federated identity combined with synced identity is the one that provides you with the possibility to have a single sign-on experience. You now have more information about how to find the best scenario for identity management to fit your organization.
In the next chapter, you will learn how to configure Office 365 and its services to start consuming based on your project timeline.