Final answer:
The answer to the student's question is b) Software licensing, which allows organizations to purchase one copy of a software and use it on multiple machines, saving time and money.
Step-by-step explanation:
The ability to buy a site license online and then download one copy, which can be burned on CDs and reduces organizations' cost and time, is an example of b) Software licensing. This practice enables organizations to efficiently deploy software across multiple computers without the need to purchase individual copies for each machine. Licensing in this way often includes terms that allow multiple installations and use throughout the organization, which can be much more cost-effective than purchasing individual licenses.