ccna 200 301 syllabus definition francais dictionnaire

ccna 200 301 syllabus definition francais dictionnaire.This term can be a bit vague, because when people refer to mainframes, they may be referring to various types of network interconnect devices - workstations and servers. But if you think a little deeper, you'll findoften use this term when people are discussing resources and work related to TCP/IP (Transmission Control Protocol/Internet Protocol). The term host refers to a wide range of devices and their server rooms, because in the TCP/IP discussion, a host is any device that has an IP addressnfl-of a network device. IT professionals may use the term liberally, but for the Cisco exam, a host is any network device that has an IP address, including workstations and servers.[j IFigure 1.4 A network with servers and workstations deployedA quick bit of background: the name mainframe dates back to the Jurassic era of network interconnection, when ancient devices called mainframes were the only intelligent devices roaming the network. These devices were called mainframes whether they were TCP/IP capable or not. In the old days, other devices in the network were called DumbTerminal, because only the mainframe - the host - would be assigned an IP address. Another old term was Gateway, when gateways referred to all Layer 3 machines, such as routers. We still use these terms today, but they have evolved to refer to the many intelligent devices deployed in today's networks, each with an IP address. That's the real reason you always hear the terminology being steeped.Sales Department Marketing Department1.2.2 Wide Area NetworkMany people cannot say the definition of a Wide Area Network (WAN). Yet most of them use the most massive WAN, the Internet, every day... every day! With this concept in mind, you can imagine WAN networks as networks that are used to span wide geographic areas and actually communicate over long distances. As with the Internet, WANs pass