Digital technologies - Networks test

What is the smallest piece of information to be sent on a computer network?

• packet

• bit

• message

• byte

What is a protocol?

• Different waves sent in the electromagnetic spectrum

• A letter in a text message

• A set of rules for communication

• The amount of energy used to send a piece of information on the internet

The internet sends information in three main ways, what are they?

• Electricity, Light, Radiowaves

• Soundwaves, Light, Electricity

• Light, Energy, Wi-Fi

• Mobile, Wi-Fi, Ethernet

What is an advantage of sending information on the internet using light?

• it's fast

• it's cheaper than copper cables

• it can be sent further

• all of the above are correct

Much of the internet travels as light through what sort of cables?

• Fibre Optic Cables

• Optical Glass Filament

• Light Transmittance Tube

• Copper Data Cable

Light stays inside the cables that transmit data long distances because of...

• The electromagnetic spectrum

• Mirrored tubing

• Total internal reflection

• Wi-Fi waves

What is the name for the type of data that only uses 1's & 0's?

• Protocol

• Binary

• Information

• Light

Which travels further? Low frequency radio waves or high frequency gamma waves?

• low frequency radio waves

• high frequency gammar waves

• the both travel the same distance

• waves don't travel

Wi-Fi sends information using which kind of waves from the electromagnetic spectrum?

• gamma waves

• radio waves

• UV waves

• Infrared waves

What is not a type of network hardware?

• server

• desktop computer

• modem

• electric motor