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In UNIX, the ________ command allows you to switch between administrator and a normal account.
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Nearly all corporate border firewalls use the ________ filtering method.
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________ is a computer language used to access and manage databases.
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A ________ designates a specific program designated by a port number on a specific computer's IP address.
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In Windows Server, the ________ command allows you to switch between administrator and a normal account.
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The super user account in UNIX is called ________.
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The super user account in Windows is called ________.
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Assigning security measures to a group tends to ________ than assigning security measures to individuals.
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A transformer is designed to convert a voltage from 240 V a.c. 12 V a.c., and has 4000 turns on its primary coil. If it is 100% efficient, and the current in the secondary coil was 0.4 A, then the current in the primary coil should be
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________ allows multiple operating systems to run independently on a single physical machine.
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