Operating System (OS)
A spooler is a

Message sent from the printer to the operating system when a print job is completed
Queue of print job that are waiting to print
Program that coordinates the print job that are waiting to process
Location in memory that maintains the contents of documents until it prints

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Operating System (OS)
Link encryption

None of these
can not be used in a public network
is less secure than end-to-end encryption
is more secure than end-to-end encryption
is used only to debug

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