...connection of dumb terminals to large mainframe systems such as VAX™. Today, the name terminal server refers to a device that connects any serial device to a network, usually Ethernet. In this day of network-ready devices, terminal serv...

...There are several things you should consider when you’re deciding whether you need an enclosed cabinet or a rack. • First; • what equipment will you be putting in it? The extra stability of a cabinet might be important if you’re installing lar...

...the exploitation of vulnerable data communication equipment by technical surveillance or eavesdropping. • Unprotected equipment emit a signal into the air • What puts your data communication equipment at risk? Many things. But first and forem...

...Enhanced version of G.SHDSL Uses 2, 4 or 8 wires to transmit Ethernet and other signals Possible data rates: Up to 5,7 Mbps per 2 wires at up to 6 kilometers distance Up to 15 Mbps per 2 wires at up to 3,5 kilometers distance. • DSL makes use...

...just looking for free Internet access, but sometimes they?re looking for confidential information such as credit card numbers. And many war drivers, when they locate a wireless network, will post the GPS coordinates of that network on the Internet...

Fiber To The Office • Fiber To The Office • The classical network • A classical network consists of a rack with switches and patch panels and outlets in your cable conduit. Between the outlets and the patch panel you use Cat5, 6 or 7 cables. H...

...NAC) is a method of ensuring that only known devices are allowed to connect to your network and that they meet your network’s requirements before they are granted access. • This is NAC at its most basic level. However, today’s NAC is usually ...

...or even a packet of data traveling through a network. • Network addresses are hierarchical. The more details included, the more specific the address becomes and the easier it is to find. • Switches operating at Layer 3 are smarter than Layer ...