Browse Definitions:
11,846 results for:

megahertz (MHz)

Definition | SearchNetworking

The megahertz, abbreviated MHz, is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one million hertz (1,000,000 Hz...

network perimeter

Definition | SearchNetworking

A network perimeter is the boundary between the private and locally managed-and-owned side of a network and the public and usually provider-managed ...


Definition | SearchNetworking

An n-tier application program is one that is distributed among three or more separate computers in a distributed network.

terminal adapter (TA)

Definition | SearchNetworking

A terminal adapter (TA) is a hardware interface between a computer and an Integrated Services Digital Network line.


Definition | SearchNetworking

Autofax is the automatic (computer-initiated) sending of a facsimile (fax) message over a network in one of two ways: ( to a receiving computer or ...

wireless mesh network (WMN)

Definition | SearchNetworking

A wireless mesh network (WMN) is a mesh network created through the connection of wireless access points installed at each network user's locale.

direct sequence spread spectrum (DSSS) or direct sequence code division multiple access (DS-CDMA)

Definition | SearchNetworking

Direct sequence spread spectrum, also known as direct sequence code division multiple access (DS-CDMA), is one of two approaches to spread spectrum ...

one-armed router

Definition | SearchNetworking

A one-armed router is a router that routes traffic between virtual local area networks (VLANs).

cognitive radio (CR)

Definition | SearchNetworking

Cognitive radio (CR) is a form of wireless communication in which a transceiver can intelligently detect which communication channels are in use and ...

patch cord

Definition | SearchNetworking

A patch cord is a length of cable, with connectors on the ends, that is used to connect an end device to something else, such as a power source.



  • risk map (risk heat map)

    A risk map, also known as a risk heat map, is a data visualization tool for communicating specific risks an organization faces. A...

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...


  • federated identity management (FIM)

    Federated identity management (FIM) is an arrangement that can be made among multiple enterprises to let subscribers use the same...

  • cross-site scripting (XSS)

    Cross-site scripting (XSS) is a type of injection security attack in which an attacker injects data, such as a malicious script, ...

  • firewall

    In computing, a firewall is software or firmware that enforces a set of rules about what data packets will be allowed to enter or...




  • all-flash array (AFA)

    An all-flash array (AFA), also known as a solid-state storage disk system, is an external storage array that uses only flash ...

  • volume manager

    A volume manager is software within an operating system (OS) that controls capacity allocation for storage arrays.

  • external storage device

    An external storage device, also referred to as auxiliary storage and secondary storage, is a device that contains all the ...


  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.