Operating System (OS)
Which of the following is not true about documentation?

None of these
All of these
Documentation increases the maintenance time and cost
Documentation gives better understanding of the problem
Documentation, of a system, should be as clear and direct as possible

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Operating System (OS)
Data encryption

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

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