Computer Networks & Web Technologies

A data communications network that connects personal computers within a very limited geographical area—usually a single building. Its use a variety of wired and wireless technologies:

• LAN (local area network)

• SAN (small area network)

• GAN (great area network)

• MAN (middle area network)

The amount of information (aka traffic) carried on a network at one time.

• Bandrate

• Bandwidth

• Mobile Data

• Internet speed

What type of signals are transmitted across fibre optic cables?

• Electric

• Light

• Sound

• Radio

UTP stands for?

• Unique Twister Pair

• Upgraded Twisted Pair

• Unshielded Twisted Pair

• Unshielded Tight Pair

What is this a picture of?

• Cable

• Switch

• Wireless router

• Modem

Which of the following can you do on the Internet?

• All of them

• Online shopping

• Video calling

• Streaming music

A private computer network within an organisation.

• Internet

• Intranet

• Extranet

• Outernet

Customers in Martin’s company can access certain parts of the company network from their own company computer outside of Martin’s company. This is an example of a/an: 

• extranet
• internet. 
• intranet. 
• throughput. 

What is a network adapter?

• Powerful Computers that provide services to other computers
• Computers that ask for the services a server provides
• Physical connection between devices
• A circuit board that is installed in a computer so that it can be connected to a network. 

This type of internet connection Offers high-speed Internet connections over the cellular radio network to computers and devices with built-in compatible technology (such as 3G, 4G, or 5G) or a wireless modem or other communications device

• Mobile Broadband

• Fiber to the Premises (FTTP)

• Wi-Fi

• Digital Subscriber Line (DSL)