1)Standard Component
The default. Selecting Standard enables the transaction, instance pooling, and object lifespan options and adds activate and deactivate events to the component.
(2)Shared Component
Select to create a component that will handle all client requests from a single shared instance.
(3)Serice Component
Select to create a component that performs background processing for EAServer clients and other components. EAServer loads service components at startup time.