You are an enterprise application developer. A Web-based application manages the employee information in your company. A rapid increase in the number of employees renders scalability difficult. You must suggest a component strategy that permits the application to scale as the number of employees grows.
The component must implement the following application features:

It resides completely behind a company firewall.
It has complex transactional and auditing requirements. It operates across multiple servers within the company. It provides runtime identity services for each employee.

You need to choose a component type that implements these features in a scalable manner. You need to achieve this goal by using the least coding effort. Which component type should you choose?

A.
.NET Framework remoting component

B.
Web services component

C.
.NET Framework class library component

D.
Enterprise Services component