See main lobe.

1. In dial-pulse signaling, that portion of the dial pulse in which the network applies a low resistance between the tip and ring conductors at the network interface (NI). [T1.407-1997]
2. In dial-pulse signaling, that portion of the dial pulse in which the pulsing circuit is in its low-impedance condition. [T1.405-1989]

Small application programs automatically downloaded and executed that perform an unauthorized function on an information system (IS). [INFOSEC-99]

Software or firmware capable of performing an unauthorized function on an information system (IS). [INFOSEC-99]

1. A program implemented in hardware, firmware, or software, and whose purpose is to perform some unauthorized or harmful action.
Note: Examples of malicious logic are a logic bomb, a Trojan horse, a virus, a worm. [2382-pt.8]
2. Hardware, software, or firmware capable of performing an unauthorized function on an information system. [INFOSEC-99]

Metropolitan Area Network

A system in which the functions of a human operator and a machine are integrated.

1. In a network, an abstract representation of network resources that are managed.
Note: A managed object may represent a physical entity, a network service, or an abstraction of a resource that exists independently of its use in management.
2. In telecommunications management, a resource within the telecommunications environment that may be managed through the use of operation, administration, maintenance,… (Read More →)

A collection of one or more management systems, and zero or more managed systems and management subdomains, that is administered by a single organization. [T1.215-1994]

An organized assembly of resources and procedures required to collect, process, and distribute data for use in decision making.