CGS2100 Final Exam Ch. 12

Created by ewood86 

Upgrade to
remove ads

CGS2100 Tyson FSU Ch. 12

Network

a group of two or more computers (or nodes) that are configured to share information and resources such as printers, files, and databases.

Network administrators

have training in computer and peripheral maintenance and repair, networking design, and the installation of networking software.

Client

a computer that request the resources

Client/Server

contains servers as well as client computers.

Decentralized

Users are responsible for creating their own data backups and providing security for their computers.

Centralized

All clients connected to a server that perform tasks for them.

Local Area Network (LAN)

a group of computers and peripherals linked together over a relatively small geographic area

Wide Area Network (WAN)

comprise large numbers of users or separate LAN's that are miles apart.

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.

Intranet

a private network set up by an entity that is used exclusively by a select group of indviiduals.

Extranet

An area of an intranet that only certain corporations or individuals can access.

Virtual Private Network

uses the public internet communications infrastructure to build a secure, private network among various locations.

Authentication Server

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.

File Server

A server that stores and manages files for network users.

Dedicated Server

A server used to fulfill one specific function

Print Server

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.

Application Server

acts as a repository for application software.

Database Server

provides client computers with access to Information stored in a database.

Web Server

Used to host a web site so it will be available through the internet.

Bus Topology

all computers are connected in sequence on a single cable.

Passive topology

The data travels the entire length of the medium and is received by all network devices

Terminator

a device that absorbs a signal so that it is not reflected back onto parts of the network that have already received it

Ring Topology

are laid out in a circular configuration which data flows around the circle from device to device.

Token

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.

Star Topology

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.

Hybrid Topology

Combining multiple topologies into one network.

Bandwidth

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.

Fiber-optic

virtually immune to any interference and uses light to transmit data.

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.

Network Interface card

A network adapter installed inside the computer

Network adapters

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 _______.

Frame

Is a container that can hold multiple data packets.

Bridge

a device that is used to send data between these different collision domain.

Router

Designed to send information between two networks.

Packet Screening

involves examining incoming data packets to ensure that they originated from or are authorized by valid users on the internal network.

Bastion Host

a heavily secured server located on a special perimeter network between the company's secure internal network and the firewall

Proxy Server

acts as a go-between, connecting computers on the internal network with those on the external network.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set