BTEC IT U1 - Transmitting Data

What type of circuit must a computer have to connect to a network?

• CPU

• Network Interface Card

• Network Identity Card

• WIFI card

What types of cables do wired connections use?

• Fibre Optic

• Copper

• Electrical

• Wireless

A large network with several hundred computers may have several switches connected by cable is known as a (a)  

What is the device that is used to connect all the computers to each other in a local area network?

• internet service provider

• telephone

• switch

• router

A home network may use a composite device that incorporates several components. Identify the components.

• PC

• router

• switch/wap

• firewall

A wireless technology standard for exchanging data over short distances using short-wavelength UHF radio waves is (a)   .

(a)   is the range of frequencies that a transmission medium can carry.

(a)   is a high-speed internet connection. A wide range of frequencies allows multiple data users to use the same cable.

Identify which of the implications for Wired or Wireless would be solved by strong encryption.

• Control

• Reliability

• Security

• Speed

Intruders who gain access to a network and use it rather than paying for their own broadband are called what?

• Cheapskates

• Hackers

• Freeloaders

• Sleuths