题目内容

19.Whichofthefollowingisthecorrectorderofphasesinthesystemsdevelopmentlifecycle?

A. analysis,planning,design,implementation
B. analysis,design,planning,implementation
C. planning,analysis,design,implementation
D. design,analysis,planning,implementation

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20.A(n)______________isasystemcomposedofhardware,software,orboththatisdesignedtodetectintrusionandpreventunauthorizedaccesstoorfromaprivatenetwork.

A. encryption
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A. verifiability
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A. time-to-purchase
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C. plan-to-produce
D. account-to-report
E. hire-to-retire

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A. metadata
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D. knowledge