Which of the following is the BEST way to accomplish this?

A technician has been tasked with loading the operating system on every PC with a blank hard drive on a network. The technician wishes to install the operating system with minimal physical interaction with the PCs.

Which of the following is the BEST way to accomplish this?
A . Clone the operating system from an image onto optical media.
B . Use the original software media to load the operation system on every P
D . Set up a central image that the PCs can load from a PXE boot.
E . Create an image and copy it from a USB drive using an unattended answer file.

Answer: C