CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Softwares and Software Security
After a bank's internet-banking software goes live, the team issues a patch to fix a newly discovered vulnerability and later adds a feature requested by users. In SDLC terms, these activities fall under:
These activities belong to the maintenance phase. After deployment, fixing vulnerabilities through patches (corrective maintenance) and adding user-requested features (enhancement) are ongoing support tasks, unlike feasibility, requirements gathering or unit testing which occur earlier.
- AFeasibility study
- BMaintenanceCorrect
- CRequirements elicitation for a new project
- DUnit testing
Explanation
Post-deployment work such as corrective patches and enhancements is the maintenance phase. Feasibility study occurs before project commitment, requirements elicitation starts development, and unit testing is a pre-release activity.
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