Operating System (OS)
Link encryption

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

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

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

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Operating System (OS)
Backups should be done

weekly for most installations
daily for most installations
None of these
as several image copies, followed by an incremental
as several incrementals, followed by an image copy

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