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TCP IP: what are common protocols that operate at each layer

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TCP IP is a representation of suite of protocols for Open Systems Interconnection (OSI Model) At layer 7 - eg SFTP, Https, SSH for secured services At layer 6 - Session layer: port numbers At layer 5 - presentation eg ascii, mpeg, jpeg, etc At layer 4- Transmission Layer TCP Secure connection for encryption eg. AES, SHA 256 and higher algorithm and UDP protocols which are generally unreliable Layer 3- IP protocol network layer Layer 2 - Datagram layer eg. Mac address , ARP RARP Layer 1 - Physical Layer, Cat 5, Cat6, Cat 7, etc

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3

TLS / SSL: what is it and what does it do

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