Network Protocols

Question	Answer
Generally, what is a Network Protocol?	> Set of rules that define how data is transmitted between connected devices > Exist for any data exchange between two devices > Necessary for computers to understand the data being received, amongst other things
What Decisions are in a Network Protocol?	> How communication should start and end (known as handshaking) > How data should be structured > Which network port communication should be over > How to check if the received data is correct > What to do if something goes wrong
What is TCP?	> Transmission Control Protocol > Split data from applications into small pieces, known as packets > Each packet contains a header and a payload > Header contains information about how to reach its destination > Payload is the actual data to be sent
What is IP?	> Internet protocol > Defines how data packets (from TCP) should be sent between networks > IP header is added to each packet, which contains the source and destination in the form of an IP address > Routers use IP addresses to deliver the packet to the correct network
What is WiFi?	> aka 802.11x unless ur a pleb (i think? i dunno anymore) > Set of protocols for defining wireless transmission of data via radio waves > Used in wireless networks
What is Ethernet	> Protocol that defines how data should be transmitted via wires between network hardware > Used in (you'll never guess it), wired networks

Resource summary

	Created by Malachy Moran-Tun over 2 years ago

	Copied by Malachy Moran-Tun over 2 years ago