by default, accounts with a blank password cannot logon remotely
Ans A is True. for macOS® and other UNIX®-like operating systems. CUPS uses the Internet Printing Protocol (IPP) to support printing to local and network printers. CUPS (formerly an acronym for Common UNIX Printing System) is a modular printing system for Unix-like computer operating systems that allows a computer to act as a print server. A computer running CUPS is a host that can accept print jobs from client computers, process them, and send them to the appropriate printer.