Basics - Computer Network and Media

A network where the computers are NO MORE than a kilometre apart

Fibre-optic cable: interference from neighbouring cables does not happen because it uses light

Fiber optic cable: Internal reflection keeps data loss small

A device that forwards data packets between computer networks

WiFi is slower than wired connection

All files can be backed up centrally is a benefit of networking computers. TRUE or FALSE?

Actual wires and cables connecting computers (mostly telephone lines and undersea cables).

Protect your wifi: Hide the wireless service set identifier (SSID) so the network is invisible

Sharing peripheral devices such as printers and scanners is a benefit of networking computers.

World Wide Web (www)

A type of network which usually covers a relatively small geographical area.

What does WAN mean?

Which type of wiring provides the fastest speeds?

Viruses may be able to infiltrate the network is a disadvantage of networking computers.

WAN

The main factor affecting network performance.

MAN stand for

LAN

Disabling broadcast of the WiFi name (SSID) can protect against a device accessing your network

Which type of computer network would you find in a high school?

Used to transfer data over longer distances to many devices. Uses 2 radio bands 2.4GHz and 5GHz

WiFi is less secure than a wired connection

A computer relationship in which one computer requests a service or resource from another

Uses light to transfer data.

This device is required to connect any network-enabled device.

Bandwidth is measured in Megabytes per second. TRUE or FALSE?

A networking device which is designed to route data packets across a wide area network.

Numbers that uniquely identify a computer on the network.

A computer that manages access to resources and services by passing messages to other computers

Wireless networks benefit: allows easy connection of new devices.

Any computer or another device that is connected to a network.

Is a powerful computer which provides services or resources required by any of the clients

Internet

Backup is done centrally on the server

Definition of a computer network.