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P
- PIN (Personal Identification Number): A serial number given to an individual for their identification.
- Port number: The port number used for intercommunication in TCP/UDP. Its range is from 0 to 65535.
- Private authentication: An authentication method where user authentication is performed according to the combination of credentials specified by the administrator. This method takes precedence over other authentication methods.
- Punch in: The act of recording the time of arrival at the workplace.
- Punch out: The act of recording the time of departure from the workplace.