-As shown in the accompanying figure, maintenance expenses usually are high when a system is implemented because problems must be detected, investigated, and resolved by ____ maintenance.
A)corrective
B)adaptive
C)perfective
D)preventive

Question

-As shown in the accompanying figure, maintenance expenses usually are high when a system is implemented because problems must be detected, investigated, and resolved by ____ maintenance.
A)corrective 
B)adaptive 
C)perfective 
D)preventive

Quizplus · Accepted Answer

Corrective maintenance is performed to fix errors and problems in a system after it has been implemented, which is why maintenance expenses are high initially.

-As Shown in the Accompanying Figure, Maintenance Expenses Usually Are