TCP-IP protocols, DNS, FTP, Telnet-Network

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Network (Network) Systems, Installation and Repair : TCP/IP stone layer: Transport layer, connection between co -systems, transportation layer protocols, TCP, UDP, TCP and UDP port numbers. TCP/IP Application Layer: TCP/IP application layer, protocols, DNS, FTP and TFTP, HTTP (Hypext Transfer Protocol), SMTP (Simple Mail Transfer Protocol), SNMP (Simple Network Management Protocol), Telnet.