network Flashcards
network
3G
System to allow Internet access using mobile phone networks.
4G
System to allow Internet access using mobile phone networks.
application server
Computer that stores application software for clients on a network.
asynchronous
Data transfer method in which the sender and receiver are not synchronised.
audit trails
Record of all changes and actions performed with a system, for security purposes.
authentication server
Computer that checks usernames and passwords when a user tries to log in.
authorised access
User who has permission to use a system.
backbone
High speed connections that connect main Internet sites.
bandwidth
Measure of a network’s speed.
bits per second
Unit for measuring the speed of data transfer over a network connection.
blog
Web page where entries are stored chronologically, like a diary or journal.
Bluetooth
Short range, low bandwidth wireless technology often used for mobile phone headsets or earphones.
bps
Unit for measuring the speed of data transfer over a network connection.
cache
Storage area for frequently used information, to speed up access.
client computer
Computer on a network that uses services provided by a server.
client server
Network system that uses servers to store data centrally and client computers to access them.
database server
Computer on a network that stores data for other users to access.
DHCP
System that automatically assigns IP addresses to computers on a network.
dialup
Internet access that connects using a telephone line and a MODEM.
DNS
System for translating domain names into IP addresses.
Domain Name System
System for translating domain names into IP addresses.
domain names
Human readable names given to web sites.
download
To transfer data from a server to a client computer.
DSL or cable
Common type of broadband Internet connection.
Dynamic Host Control Protocol
System that automatically assigns IP addresses to computers on a network.
email server
Computer on a network that stores email for other users to access.
ethernet
Type of wired network connection commonly used on LANs.
fibre optic
Types of network connection that offers extremely high speed transfers.
file server
Computer on a network that stores files for other users to access.
File Transfer Protocol
System for transferring files over the Internet, often used for uploading web sites.
firewall
Software or hardware used to control data entering and leaving a network.
FTP
System for transferring files over the Internet, often used for uploading web sites.
gateway
Computer which acts as a bridge between a local area network and the Internet.
Gbps
Gigabits per second. Measure of network bandwidth.
hardware address
Unique address embedded in network connected devices.
home network
Small local computer network used in homes.
host
Computer on a network that provides services or performs work for others.
HTTP
HyperText Transfer Protocol. The standard protocol of the world wide web.
HTTPS
Secure version of HTTP which offers encrypted communication.
hub
Hardware device for connecting several computers on a network.
Internet Protocol
Standard protocol used on many LANs and on the Internet. See TCP.
Internet Service Provider
Company that provides Internet access to homes and businesses.
IP address
Unique address assigned to every computer on a network.
ISP
Company that provides Internet access to homes and businesses.
Kbps
Kilobits per second. Measure of network bandwidth.
LAN
Computer network in a small area such as an office building.
Local Area Network
Computer network in a small area such as an office building.
log file
Chronological record of events, used for reporting purposes and audit trails.
login
Process of authenticating oneself before using a computer system.
MAC address
Unique address embedded in network connected devices.
