عربي   Mark     Scores   Networking

1 Computer Network 2 Communication Medium 3 Network Topologies 4 Network Categories 5 Networking Devices 6 Client-Server Concept 7 Protocols 8 Internetworking 9 Internetworking Devices 10 Internet 11 TCP/IP Protocol Suite 12 IP Address and Domain Name 13 Electronic Mail (Email) 14 World Wide Web (WWW) 15 Firewall 16 Getting Connected to the Internet 17 Intranets and Extranets Network Categories Network categories. The area the network covers determines the category into which it falls. There are three network categories: local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs cover up to a few kilometers and usually occupy a single building. MANs cover up to an entire city. WANs cover up to a country, a continent, or even the whole world.  Page 4 of 17