-Perfective maintenance ____.
A)adds enhancements to an operational system and makes the system easier to use
B)diagnoses and corrects errors in an operational system
C)involves changing an operational system to make it more efficient, reliable, or maintainable
D)requires analysis of areas where trouble is likely to occur in order to avoid problems

Question

-Perfective maintenance ____.
A)adds enhancements to an operational system and makes the system easier to use 
B)diagnoses and corrects errors in an operational system 
C)involves changing an operational system to make it more efficient, reliable, or maintainable 
D)requires analysis of areas where trouble is likely to occur in order to avoid problems

Quizplus · Accepted Answer

The Answer is C

-Perfective Maintenance ____