August 2006

  • network access server (NAS)

    A network access server (NAS) is a computer server that enables an independent service provider (ISP) to provide connected customers with Internet access.

  • NetWare

    NetWare, made by Novell, is a widely-installed network server operating system.

  • N1

    N1 is Sun Microsystems' strategy for making a network environment as easy to manage as a single machine.

  • multistation access unit (MSAU)

    A multistation access unit (MSAU) is a hub or concentrator that connects a group of computers ('nodes' in network terminology) to a token ring local area network.

  • Mbps (millions of bits per second or megabits per second)

    Mbps is a measure of bandwidth (the total information flow over a given time) on a telecommunications medium, standing for 'millions of bits per second' or 'megabits per second.'

  • loopback test

    A loopback test is a test in which a signal in sent from a communications device and returned (looped back) to it as a way to determine whether the device is working right or as a way to pin down a...

  • loopback

    In telephone systems, a loopback is a test signal sent to a network destination that is returned as received to the originator. The returned signal may help diagnose a problem.

  • Kbps (kilobits per second)

    In the U.S., Kbps stands for kilobits per second (thousands of bits per second) and is a measure of bandwidth (the amount of data that can flow in a given time) on a data transmission medium.

  • gigabit

    In data communications, a gigabit is one billion bits, or 1,000,000,000 (that is, 10^9) bits. It's commonly used for measuring the amount of data that is transferred in a second between two teleco...

  • trunk

    A trunk is a physical path or link in a communications system that is designed to handle many transmissions simultaneously and that interconnects major switching centers or nodes. Depending on the ...

  • null modem

    A null modem cable allows you to connect your PC to another nearby PC or serial device using its modem protocol.

  • forest-and-tree model

    The forest-and-tree model is a logical structure for interconnecting multiple network domains in Windows 2000 and later operating systems.

  • VRRP (Virtual Router Redundancy Protocol)

    VRRP (Virtual Router Redundancy Protocol) is an Internet protocol that provides a way to have one or more backup routers when using a statically configured router on a local area network (LAN).

  • virtual network computing (VNC)

    Virtual network computing (VNC) is a type of remote-control software that makes it possible to control another computer over a network connection...

  • terminal emulation

    Terminal emulation is the ability to make one computer terminal, typically a PC, appear to look like another, usually older type of terminal so that a user can access programs originally written to...

  • port number

    A port number is a way to identify a specific process to which an Internet or other network message is to be forwarded when it arrives at a server.

  • network tracking tool (network device management program)

    A network tracking tool, also called a network device management program, is a program that helps a network administrator keep track of moves, additions, and changes (known as MACs) to the hardware...

  • All-in-One Guides: VPNs

    All-in-One Guides: VPNs

  • audible ring

    In a telephone system, an audible ring is the tone that is returned from the called party's switching device and heard by the caller. This tone indicates to the caller that the desired party is bei...

  • Guide to Bandwidth Measurement and Management

    Guide to Bandwidth Measurement and Management