Protocols

Question 1

what is a protocol

Answer 1

A set of rules that govern the transmission of data

Question 2

give 5 protocols

Answer 2

HTTP(S)
FT
IP
IMAP
TCP
SMTP
POP

Question 3

what does HTTP(S) stand for and what does it do

Answer 3

Hyper Text transfer protocol (secure) - is used to access web pages (some require communications to be encrypted)

Question 4

what does FTP stand for and what does it do

Answer 4

file transfer protocol governs the transfer of data between the client and server

Question 5

what does IP stand for and what does it do

Answer 5

internet protocol - helps address data across the internet

Question 6

what does IMAP stand for and what does it do

Answer 6

internet messaging access protocol - controls the receiving emails and stores them on a server so that they can be accessed from any device

Question 7

what does TCP stand for and what does it do

Answer 7

transmission control protocol - breaks down data into packets ready to be sent

Question 8

what does SMTP stand for and what does it do

Answer 8

simple mail transfer protocol - sends mail over a network

Question 9

what does POP stand for and what does it do

Answer 9

Post office protocol - stores received emails on the device and deletes them from the server

Question 10

give the 8 steps, in order, for the packet switching process

Answer 10

1. request processed by web server
2. request put into packets
3. packets are given address and number
4. packets sent
5. packets received
6. check if all packets have arrived
7. if not resend packets
8. if yes put packets in order and view content