Multiple Choice
To avoid problems,preventive 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
Correct Answer:

Verified
Correct Answer:
Verified
Q1: A _ is responsible for assigning maintenance
Q3: _ is the process of tracking system
Q4: _ is the overall time between a
Q5: Perfective maintenance usually is cost effective _
Q6: _ expenses vary significantly during a system's
Q7: When a user submits a maintenance request,the
Q8: Retention periods of backups can be a
Q9: A continuous backup only backs up files
Q10: Define network.What is required to connect to
Q11: In a broad sense,credentials include formal degrees,diplomas,or