
Explanation

Box 1: Azure AD V2.0 endpoint -Microsoft identity platform is an evolution of the Azure Active Directory
(Azure AD) developer platform. It allows developers to build applications that sign in allMicrosoft identities
and get tokens to call Microsoft APIs, such as Microsoft Graph, or APIs that developers have built. The
Microsoft identity platform consists of:
OAuth 2.0 and OpenID Connect standard-compliant authentication service that enables developers to
authenticate any Microsoft identity, including:
Work or school accounts (provisioned through Azure AD)Personal Microsoft accounts (such as Skype, Xbox,
and Outlook.com)Social or local accounts (via Azure AD B2C)Box 2: Azure AD B2C tenant -Azure Active
Directory B2C provides business-to-customer identity as a service. Your customers use their preferred social,
enterprise, or local account identities to get single sign-on access to your applications and APIs.Azure Active
Directory B2C (Azure AD B2C) integrates directly with Azure Multi-Factor Authentication so that you can
add a second layer of security to sign-up and sign-in experiences in your applications.
Reference:https://docs.microsoft.com/en-us/azure/active-directory-b2c/active-directory-b2c-reference-mfa
https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-overview