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GCSE Network Protocols Exam | Questions And Answers Latest {2024- 2025} A+ Graded |100% Verified
Network protocols - Rules that determine how devices communicate across a network. This includes
how the security and the reliability of data transmission will be achieved and to what extent.
Ethernet - A set of protocols that govern how data is formatted for transmission across a wired
computer network.
WiFi (wireless fidelity) - A set of protocols that govern how data is formatted for transmission across a
wireless computer network.
TCP/IP (Transmission Control Protocol/Internet Protocol) - TCP/IP are a set of protocols that work
together to connect devices, route and transport data from one device to another on a computer
network. Data packets that are lost in transit are resent.
Benefits of the TCP/IP model - Provides a universal standard for hardware and software manufacturers
to follow so that devices are able to communicate with each other • Each layer performs a specific
function.
HTTPS (Hypertext Transfer Protocol Secure) - Transfers encrypted web pages from web servers to the
client.
FTP (File Transfer Protocol) - Used to transfer files.
POP3 (Post Office Protocol 3) - Retrieves emails from an email server. Once downloaded the email is
deleted from the email server.
HTTP (HyperText Transfer Protocol) - Transfers web pages from web servers to the client.
IMAP (Internet Message Access Protocol) - Retrieves emails from a web based email server. A copy is
downloaded - the original is retained until deleted by the user.
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