remote access server A server that

remote access server A server that runs communications services that enable remote users
to log on to a network. Also known as an access server.
remote user A person working on a computer on a different network or in a different
geographical location from the LAN’s server.
resources The devices, data, and data storage space provided by a computer, whether
stand-alone or shared.
restoring The process of retrieving files from a backup. It is necessary to restore files if the
original files are lost or deleted.
scalable The property of a network that allows you to add nodes or increase its size easily.
security auditing The process of evaluating security measures currently in place on a
network and notifying the network administrator if a security breach occurs.
segment A part of a network. Usually, a segment is composed of a group of nodes that
share the same communications channel for all their traffic.
server A computer on the network that manages shared resources. Servers usually have
more processing power, memory, and hard disk space than clients. They run network
operating software that can manage not only data, but also users, groups, security, and
applications on the network.
sneakernet A way of exchanging data between computers that are not connected on a
network. The term“sneakernet”was coined before the widespread use of networks,
when data was copied from a computer to a removable storage device such as a floppy
disk, carried (presumably by someone wearing sneakers) to another computer, then
copied from the storage device onto the second computer.
soft skills The skills such as customer relations, oral and written communications,
dependability, teamwork, and leadership abilities, which are not easily measured, but
are nevertheless important in a networking career.
software distribution The process of automatically transferring a data file or installing a
software application from the server to a client on the network.
spam Unsolicited, unwanted e-mail.
stand-alone computer A computer that uses applications and data only from its local disks
and that is not connected to a network.
topology The physical layout of computers on a network.
traffic The data transmission and processing activity taking place on a computer network
at any given time.
traffic monitoring The process of determining how much data transfer activity is taking
place on a network or network segment and notifying administrators when a segment
becomes overloaded.
transmission media The means through which data are transmitted and received.
Transmission media may be physical, such as wire or cable, or wireless, such as radio
waves.
unified communications The centralized management of multiple types of network-based
communications, such as voice, video, fax, and messaging services.
user A person who uses a computer.
Key Terms 25
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WAN (wide area network) A network that spans a long distance and connects two or more
LANs.
Web server A computer that manages Web site services, such as supplying a Web page to
multiple users on demand.
wide area network SeeWAN.
workstation A computer that runs a desktop operating system and connects to a network.