Operating System (OS)
Backups should be done

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

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Operating System (OS)
What is the method of handling deadlocks?

All of these
Pretend that deadlocks never occur in the system
Allow the system to enter the deadlock state and then recover
Use a protocol to ensure that the system will never enter a deadlock state

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