Protocols

• What does the TCP/IP model consist of

  Application layer

  Transport layer

  Internet layer

  Network access layer
• TCP- Transmission control protocol

  Ensures reliable, ordered data transmission
• IP- Internet protocol

  Handles addressing and routing of packets
• HTTP- HyperText transfer protocol

  Used for accessing and transferring web pages on the internet
• HTTPS- HyperText Transfer Protocol Secure

  Secure version of HTTP, encrypts data for safe web browsing
• FTP - File Transfer Protocol

  Transfers files between client and server over a network
• POP - Post Office Protocol

  Retrieves emails from a mail server and downloads them to a device
• IMAP - Internet Message Access Protocol

  Accesses and manages emails on a server without downloading them
• SMTP - Simple Mail Transfer Protocol

  Sends emails from a client to a mail server

  -Works with POP and IMAP for receiving emails
• What is a protocol

  A set of rules that define how devices communicate over a network
• What is a layer

  A division in a network model that organizes how data moves through a system. Each layer has a specific function
• Benefits of using layers

  -Efficiency (each layer performs a dedicated function)

  -Simplifies troubleshooting (Problems can easily be found in specific layers)
• What is a standard

  A standard allows hardware/software to interact across different producers