SLR1. 3 extra important stuff

Question 1

Packets

Answer 1

Data that is sent through a network and split into small sections

Question 2

how packets are used

Answer 2

data that needs to be sent is split into equal-sized packets
each packet is given the address of the recipient
each packet is given error-checking data
packets are sent across the network

device checks if all packets have been received
if no, the device checks again with an incremented timer
if yes, packets are reordered based on the number
the data is displayed
each packet is checked for errors

if corrupt, a message is sent back to the sender

Question 3

network protocol

Answer 3

A network protocol defines rules for data transmission