Final answer:
Azure Active Directory provides authentication services for Azure and Microsoft 365. The correct answer is a) True.
Step-by-step explanation:
Azure Active Directory (Azure AD) indeed provides authentication services for resources hosted in Azure and Microsoft 365. Azure AD is a cloud-based identity and access management service from Microsoft. It allows users to sign in and access various resources and applications with a single set of credentials. Azure AD supports authentication for a wide range of applications, including those hosted in the Azure cloud and Microsoft 365 services such as Exchange Online, SharePoint, and Teams. It provides features like multi-factor authentication, conditional access policies, and seamless integration with on-premises Active Directory environments, making it a crucial component for secure and efficient identity management in the Microsoft cloud ecosystem.