When a company or organization wants to use the Internet, they must decide whether they want to do it by directly attaching to the Internet system or whether they will use another company to supply the connection. Many companies choose to use another company, called a service provider, because it reduces the amount of equipment, administration, and costs involved. If the company or organization wants to directly connect (and sometimes when they are using a service provider), t....

The File Transfer Protocol (FTP) is one protocol in the TCP/IP family used to transfer files between machines running TCP/IP (FTP-like programs are also available for some other protocols). The File Transfer Protocol enables you to transfer files back and forth and manage directories. FTP is not designed to give you access to another machine to execute programs, but it is the best utility for file manipulation. To use FTP, both ends of a connection must be running a program th....

In 2001, Safeware(http://www.safeware.com) estimated that thieves stole over 500,000 laptops for that year but only 15,000 desktop computers. Laptops make the most obvious and enticing targets because of their small size, light weight, and high resale value, so if you’re traveling with a laptop in public, do your best to hide it. Walk through any airport and you’ll see many people carrying their laptops in distinctive black carrying cases, easily....