Intro to Data Transmission

What doos data transmission mean?

• To move data

• To delete data

• To create data

• To hide data

Computers can turn digital data into streams of on / off signals

• True

• False

What is NOT a transmission medium or signal

• Electrical pulse

• Pulses of light

• Heat

• Wireless

Simplex communication is a

• One way link

• Two ways link

• Three ways link

Duplex communication is a

• One way link

• Two way link

• Three way link

A phone conversation is duplex communication as both people can talk and listen

• True

• False

The internet is based on short distance communication links

• True

• False

What is the fastest type of cable transmission?

• Coaxial

• Twisted-pair

• Fibre-Optic

A Fibre-Optic cable transmission is not affected by electrical interference

• True

• False

What are the three types of cables called?

• Twisted pair, Coaxial and Fibre-Optic

• Metal, Iron and Oxide

• Duplex, Simplex and Half

• Layer, metal and duplex