What should you inform him?

You are the newly appointed network administrator at Domain.com. The Domain.com network consists of a single Active Directory domain named Domain.com. All servers on the
Domain.com network run Windows Server 2008 and all client computers run Windows XP Professional.
A Domain.com user named Rory Allen is a newly appointed junior technician in your department. Rory Allen is given a specific task on writing a report of converting a Windows Server 2008 workstation to a domain controller. Prior to starting his report he approaches you to determine what this process is called.
What should you inform him?

A.
The process is named Promotion.

B.
The process is named Advertising.

C.
The process is named Reinstallation.

D.
The process is named Conversion.

Explanation:
The process of preparing a Windows Server 2008 workstation as a new domain controller is known as promotion. This is the only method to have Active Directory installed.