Operating System (OS)
A page fault

None of these
is an access to a page not currently in memory
occurs when a program accesses a page of memory
is an error is a specific page
is a reference to a page belonging to another program

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Operating System (OS)
Data encryption

None of these
cannot be used by private installations
is mostly used by public networks
is not necessary, since data cannot be intercepted
is mostly used by financial networks

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