Networks, the Internet, Packets and Reliability

What is a network?

• 1 computer not connected to anything

• a job where you make fishing nets

• 2 or more computers connected together

Viruses and malware cannot spread via a computer network.

• True

• False

What is a data collision?

• When two devices on a network transmit data at the same time

• When two devices on a network transmit data at separate times.

What is a packet?

• packets are big groups of information sent over the Internet

• packets are small groups of information sent over the Internet

A computer network is where two or more devices are connected together so they can share...

• people

• cables

• resources

_____ are rules that define how messages between computers are sent.

• Pathways

• Protocols

• Packets

What happens when the destination computer does not receive a packet for a video?

• Nothing

• Asks for the packet to be resent

______ manage the _________ that data packets travel across the Internet and networks.

• Protocols, pathways

• Networks, packets

• Pathways, nodes

• Pathways, protocols

_______ are small amounts of computer data sent over a ______.

• Data, pathway

• Packets, network

• Nodes, network

• Packets, pathway

______are a group of connected computing devices.

• Pathways

• Nodes

• Networks