TCP - reliable but slower, used for sending financial data, UDP - unreliable but faster, used for streaming , FTP - used to transfer files from device to device , SSH - Encrypted remote command line access to interact with a server. , Telnet - Unsecured remote command line access to interact with a server., SMTP - sends outgoing mail to a server., DNS - provides name to IP address resolution for host., DHCP - Internet Protocol networks for automatically assigning IP addresses., HTTP - used to transmit web pages.,

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