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a group of two or more computers (or nodes) that are configured to share information and resources such as printers, files, and databases.
have training in computer and peripheral maintenance and repair, networking design, and the installation of networking software.
Users are responsible for creating their own data backups and providing security for their computers.
Local Area Network (LAN)
a group of computers and peripherals linked together over a relatively small geographic area
Metropolitan Area Network (MAN)
Sometimes Government organizations establish WAN's to link users in a specific geographic area. Are implemented as wireless networks that provide internet access within large portions of cities.
Personal Area Network
A network used to connect wireless devices that are in close proximity of each other.
a private network set up by an entity that is used exclusively by a select group of indviiduals.
Virtual Private Network
uses the public internet communications infrastructure to build a secure, private network among various locations.
is a server that keeps track of who is logging on to the network and which services on the network are available to each user.
Manage all client-requested printing jobs for all printers on the network helps client computers to complete more productive work by relieving them of printing duties.
The data travels the entire length of the medium and is received by all network devices
a device that absorbs a signal so that it is not reflected back onto parts of the network that have already received it
are laid out in a circular configuration which data flows around the circle from device to device.
Data (Ring topology) is passed using a special data packet Only one computer can hold the _____ at a time and passes it on when it is finished transmitting data.
Most widely deployed client/server network layout in homes and business because it offers the most flexibility for a low price. Nodes connect to a central communications called a switch.
amount of data that can be transmitted across a transmission medium in a certain amount of time.
Twisted Pair Cable
Consist of pairs o copper wires twisted around each other and covered by a protective sheath.
Network Operating system (NOS)
special software that needs to be installed on each client computer and server connected to the network to provide the services necessary for them to communicate.
Devices that perform specific tasks to enable computers to communicate on a network.
Wireless Network interface card
A computer that connects to the network using wireless access needs to have a special network adapter card.
Wireless Access point (WAP)
gives wireless devices a sending and receiving connection point to the network
Media Access Control (MAC) Address
Each network adapter has a physical address similar to a serial number on an appliance called _______.
involves examining incoming data packets to ensure that they originated from or are authorized by valid users on the internal network.
a heavily secured server located on a special perimeter network between the company's secure internal network and the firewall
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