How do you change a LAN (local area network) to a WAN (wide-area network)

Which requirement is an appropriate reason for a business to use it tools

Dr. wisteria is a prominent chiropractor in the chicago area. she wants to provide a forum for her patients to discuss their health concerns and to seek and offer advice to other patients. which telecommunications tool is most appropriate for dr. wisteria's needs?

All of the following are characteristics that must be contained in any knowledge representation scheme except