Key Words: Protocols and Layers

A protocol used to access files on a server from a client computer.

• Hyper Text Transfer Protocol

• File Transfer Protocol

• Hyper Text Transfer Protocol Secure

• Simple Mail Transfer Protocol

A protocol used by web browsers to access websites on web servers.

• Simple Mail Transfer Protocol

• Post Office Protocol

• Hyper Text Transfer Protocol

• Transmission Control Protocol

A protocol that encrypts all data sent and received over the internet.

• Hyper Text Transfer Protocol

• File Transfer Protocol

• Hyper Text Transfer Protocol Secure

• Transmission Control Protocol

A protocol used to download a copy of an email from an email server. The server holds the email until you delete it.

• Transmission Control Protocol

• Post Office Protocol

• Simple Mail Transfer Protocol

• Internet Message Access Protocol

A protocol used by routers to direct packets during packet switching.

• Transmission Control Protocol

• protocol

• Internet Protocol

• Internet Message Access Protocol

A group of protocols with similar functions.

• layer

• protocols

• functions

• layer cake

A protocol used to download an email from an email server. The email is deleted from the server after you download it.

• Post Office Protocol

• Internet Message Access Protocol

• Simple Mail Transfer Protocol

• Transmission Control Protocol

A set of rules for communication across a network.

• layer

• function

• protocol

• layer cake

A protocol for sending emails between email servers.

• Simple Mail Transfer Protocol

• Post Office Protocol

• Internet Message Access Protocol

• File Transfer Protocol

Protocol used to split data into packets and reassemble them. Also checks that they have been correctly sent and delivered.

• Simple Mail Transfer Protocol

• Post Office Protocol

• Transmission Control Protocol

• Internet Protocol