The network you're designing an application for consists of 100 users. The network has no connection to the Internet, and no corporate intranet currently in operation. Fifty of these users are low-level employees who don't have floppy disks for fear they'll steal sensitive data. Twenty-five of these users are high-level employees who have both floppy disks and CD-ROM drives. You want to choose a method of deployment that will allow all of these users access to installation files. What method will you choose?