You are 1 of 75 consultants employed by an IT services company named Contoso.com. As part of your job，you and other team members provide network support for over 150 businesses in your city. Your company is about to implement a business process in which consultants must connect to an application server on the Contoso.com network while working at customer premises. When connected tothe application server， consultants provide critical information about each assignment in the field. Toconnect to the Contoso.com application server， consultants are expected to use Remote DesktopConnection on customer computers running Windows XP or Windows Vista. You have been asked todetermine whether your company needs to purchase client access licenses （CALs） for Terminal Services. Which of the following options best suits the needs of your organization？（）

A. Use Remote Desktop for Administration on the application server， and purchase per user CALs.
B. Use Remote Desktop for Administration on the application server， but do not purchase any CALs.
C. Install Terminal Services on the application server， and purchase per device CALs.
D. Install Terminal Services on the application server， and purchase per user CALs.