network topologies, protocols and layers Flashcards
1
Q
what is wifi
A
a set of protocols that define how devices can communicate wirelessly over radio waves
2
Q
what is a network protocol
A
a set of rules that define how data is transmitted between devices
3
Q
what are some common decisions made in a protocol
A
how communication should start and end, how data should be structured and what to do if something goes wrong
4
Q
what is a header
A
it is in a data packet and it has the recipient and the senders ip addresses, sequence number and a cheksum
5
Q
what is a payload
A
the data that was sent
