Final answer:
The AWS Directory Service supports three modes: Simple AD, AD Connector, and Microsoft AD. Simple AD is a lightweight directory service for basic directory features, AD Connector connects on-premises AD to AWS, and Microsoft AD is a fully managed Active Directory service in the AWS Cloud.
Step-by-step explanation:
The AWS Directory Service supports three modes: Simple AD, AD Connector, and Microsoft AD.
Simple AD is a lightweight directory service that is compatible with Microsoft AD and provides basic directory features.
AD Connector allows you to connect your existing on-premises AD to AWS applications without the need to synchronize directory data.
Microsoft AD is a fully managed Active Directory service that is provisioned in the AWS Cloud, providing compatibility with Microsoft AD features and the ability to manage Windows workloads.