[Solved] Corrective maintenance is

Q.	Corrective maintenance is
A.	Maintenance performed to correct faults in hardware or software
B.	A failure of software-controlled systems in convenience, but there are source systems where system failure is resulted in significant critical losses.
C.	Failure that corrupts system state or data
D.	None is true
Answer» A. Maintenance performed to correct faults in hardware or software

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