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Name: Noparuj Luekiatwat
Room: M.2/6 - 15
Vocabulary: Network Terms
LAN Local Area Network DEFINITION : a local computer
network for communication between computers; especially a
network connecting computers and word processors and other
electronic office equipment to create a communication system
between offices.
Metropolitan Area Network DEFINITION : A large computer network which
extends to a city or to a large university campus is termed as metropolitan area
network or MAN.
Wide Area Network DEFINITION : A WAN spans a large geographic area, such as
a state, province or country. WANs often connect multiple smaller networks, such as local area
networks (LANs) or metro area networks (MANs).
Campus Area Network DEFINITION : Campus Area Network (CAN) is a network of
multiple interconnected Local Area Networks (LAN) in a limited geographical area such as a
University campus or corporate campus.
Personal Area Network DEFINITION : A personal area network - PAN - is a
computer network organized around an individual person. Personal area networks
typically involve a mobile computer, a cell phone and a handheld computing device
such as a PDA.
DEFINITION : Protocol is most often used when talking about
the rules of government or official agencies. It is derived from the French and refers to the
correct rules of etiquette for diplomats.
DEFINITION : a security system consisting of a
combination of hardware and software that limits the exposure
of a computer or computer network to attack from crackers;
commonly used on local area networks that are connected to
the internet.
DEFINITION : a data transmission rate; the maximum
amount of information (bits/second) that can be transmitted along a channel
DEFINITION : A node that interconnects two or more disparate
networks, both physically and logically, serving as a protocol converter (e.g., PSTN to IP) and
media converter (e.g., electrical twisted pair to optical fiber) as necessary. See also IGF, node,
and protocol converter.
NETWORK TOPOLOGY DEFINITION : a topology is a usually schematic
description of the arrangement of a network, including its nodes and connecting lines. There are
two ways of defining network geometry: the physical topology and the logical (or signal) topology.
BUS TOPOLOGY DEFINITION : every workstation is connected to a main cable
called the bus. Therefore, in effect, each workstation is directly connected to every other
workstation in the network.
RING TOPOLOGY DEFINITION : the workstations are connected in a closed
loop configuration. Adjacent pairs of workstations are directly connected. Other pairs of
workstations are indirectly connected, the data passing through one or more intermediate nodes.
MESH TOPOLOGY DEFINITION : employs either of two schemes, called full
mesh and partial mesh. In the full mesh topology, each workstation is connected directly to each
of the others. In the partial mesh topology, some workstations are connected to all the others,
and some are connected only to those other nodes with which they exchange the most data.
TREE TOPOLOGY DEFINITION : uses two or more star networks connected
together. The central computers of the star networks are connected to a main bus. Thus, a tree
network is a bus network of star networks.
STAR TOPOLOGY DEFINITION : When a network is set up using a star topology
configuration, all the components of the network are connected to a central "hub" which is usually the
router or a switch. This can raise several issues as the technology changes and the network grows. The
components within the star topology configuration will need to adapt and grow as changes happen in the
SERVER DEFINITION : In information technology, a server is a computer program
that provides services to other computer programs (and their users) in the same or other
computers. The computer that a server program runs in is also frequently referred to as a server
(though it may be used for other purposes as well).
ISP Internet service provider. DEFINITION : a company that offers access to the
Internet and to email, usually for a monthly fee.
DIRECTORY DEFINITION : Also called folder. an organizing unit in a
computer's file system for storing and locating files. In a hierarchical file
system, directories can contain child directories (subdirectories) as well as
ETHERNET DEFINITION : Originally known as Alto Aloha Network, Ethernet is a
widely used local-area network (LAN) protocol originally created by Xerox PARC in 1973 by Robert
Metcalfe and others (U.S. Patent # 4,063,220). Being the first network to provide Carrier Sense
Multiple Access / Collision Detection (CSMA/CD), Ethernet is a fast and reliable network solution
that is still widely used today. Below is a listing of different standards of Ethernet and additional
information about each of them.
NETWORK DEFINITION : A network is a collection of computers,
servers, mainframes, network devices, peripherals, or other devices
connected to one another allowing for data to be shared and used. A
great example of a network is the Internet, connecting millions of
people all over the world together. Below is an example image of what a
home network with multiple computers and other network devices all
connected to each other and the Internet.