Raghav has developed an application to automate the billing process of the Aarvee Departmental Store. When the product is in operation, the client found that the place of the phone number, it prints the Customer ID. So he approaches Raghav to fix the issue. What type of Maintenance does the above scenario depict?
Answer options
A
Corrective
B
Adaptive
C
Predictive
D
Preventive
Correct answer: Corrective
Explanation
Corrective maintenance involves fixing bugs discovered after deployment. The system printed Customer ID instead of phone number, which is a defect being corrected.