Answer to Question 1
TRUE
Answer to Question 2
Four types of maintenance were identified in the text. The types are corrective maintenance, adaptive maintenance, perfective maintenance, and preventive maintenance. Corrective maintenance refers to changes made to a system to repair flaws in its design, coding, or implementation. Adaptive maintenance refers to changes made to a system to evolve its functionality to changing business needs or technologies. Changes made to a system to add new features or to improve performance are perfective maintenance changes. Changes made to a system to avoid possible future problems are preventive maintenance changes.