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TCP/IP Model (LITA (Layers are self-contained - each layer can operate…
TCP/IP Model
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Having protocols at each layer, forces companies to create compatible hardware & software
Application Layer
Network applications, such as web browsers and email programs operate here
HTTP, HTTPS, FTP, SMTP, IMAP
Transport Layer
Establishes communication between 2 devices.Agrees packet size, data transfer speed etc
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Link Layer
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MAC Address, Bluetooth, Ethernet, WiFi
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HTTPS Secure Sockets Layer. HTTP over a secure, encrypted connection
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TCP Transmission Control Protocol. Establishes communication between two devices and is also responsible for checking data is sent and delivered correctly.
UDP User Datagram Protocol. Alternative to TCP, used when some data loss is acceptable, but delays are not.
IP Internet Protocol. Method used to transfer data packets from one computer to another on the Internet
MAC Address. A computer's unique hardware number, known by the LAN
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