networka group of 2 or more computers that are configured to share information and resources such as printers, files and databases
network administratorspersonnel required to maintain networks
servera computer that stores and shares resources on a network, work horses of the client/server network
clienta computer that requests those resources
scalabilityusers can be added without affecting performance of other networks
decentralizedusers are responsible for their own data backups and security
centralizedserver automatically performs backups
local area networks (LAN)small group of computers linked together over a small geographic area
wide area network (WAN)comprise of large numbers of users over a wider physical area or separate LANS that are miles apart
metropolitan are network (PAN)network used to connect wireless devices that are in close proximity to each other
intraneta private network set up by an entity that is used exclusively by a group of individuals
extranetan area on intranet that only certain corporations or individuals can access
virtual private network (VPN)uses public internet communications infrastructure to build a secure private network among various locations
client/server network componentsserver, network topology, transmission media, NOS, network adapter, network navigation device
network topologythe layout and structure of the network
Network Operating System (NOS)specialized software that is installed on servers and client computers and enables the network to function
Network navigation deviceneeded to move data signals around the network
dedicated serverserver used for one specific function such as handling email
authentication serverkeeps track of who is logging in to the computer and what features are available to them
file servera server that stores and manages files for network users
print serversmanage all client requested printing jobs for all printers on a network
print quequea software holding area for printing jobs
application softwareacts as a repository for application software
database serverprovides client computers with access to information in databases
email serverprocesses ingoing and outgoing email
communication serverhandles all communications between networks
web serverused to host a website so its available through the internet
protocola set of rules for exchanging communication
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