Answer:
Networks prevent unauthorized access to data and protect equipment. Networked computers are less likely than single computers to suffer equipment failure. Networks allow computers to connect quickly and to share data or equipment.
Explanation:
The most common way I've seen is to have a slide where you have the additional information. It can be phone numbers, email address, websites, books, anything you want to refer to.
People tend to photograph these slides so make sure the information is error free and that you add you own marketing info to the slide as well.
Database is were servers are on server hold ip adress spread sheets hold datd
it is spread sheet
