Summary GCSE AQA Computer Science - Network Protocols

Network Protocol
A set of rules that govern communication

Protocol Full name Definition
http Hypertext Transfer Protocol Governs communication between
web server and client
https Hypertext Transfer Protocol http added layer of security
Secure (banking, shopping)
IMAP Internet Message Access Governs retrieving emails from
Protocol email server
IP Internet Protocol Set of rules for communicating
over internet
FTP File Transfer Protocol Allowing sending and receiving
files between computers
SMTP Simple Mail Transfer Allows communication between
Protocol email sender and email server and
recipient
TCP Transmission control Allowing communication over the
protocol internet with error checking
Packet switching
UDP User Datagram Protocol Faster than TCP but does not have
error checking
e.g. gaming / video calls
Ethernet A family related protocol used in
data transfer on a wired local area
network (LAN)
Wi-Fi A group of protocols used in data
transfer on a wireless LAN
Wi-Fi is a trademark
Genetic term for Wi-Fi is WLAN
POP3 Post Office Protocol One-way email synchronization,
allowing users to download emails
from server to client
Original file on server is deleted