Data Communication Review 1

Which of the following devices provides access to the Internet?

• adapter

• modem

• router

• switch

A type of network where no one outside an organisation is allowed access is called a(n)

• telnet

• extranet

• Internet

• intranet

Which of the following connections has the fastest speed to send and receive large amounts of data?

• diial-up

• satellite

• wireless

• leased line

The term for sending data from your computer to another computer on a network or the internet is:

• create

• download

• modify

• upload

Bluetooth allows for the exchange of data across each of the following, except

• long distances

• short distances

• wired devices

• wireless devices

Coaxial, fibre-optic and twisted-pair are all types of________ .   

• transmission protocols

• transmission media

• communication modes

•   networks

Which of the following items does NOT belong in the list below?

• coaxial

• duplex

• fibre-optic

• twisted-pair

Broadcast is to wireless as point-to-point is to ________ .

• broadband

• microwave

• satellite

• wired media

Akeem is the technical services supervisor at a large educational institution and communicates with his technicians using two-way radios.
What transmission mode does these devices use?  

•   complex

• duplex

• half-duplex

• simplex

Satellite, microwave and infra-red are all types of

• transmission protocols

• transmission media

• communication modes

• media types