Domain 4 - System Development Life Cycle - Maintenance

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Maintenance is the last phase of the SDLC. Maintenance, which includes evaluation and support, ensure proper system functionality.

Evaluation: User feedback is an important part of determining if the system is functioning as it was intended. Feedback from an implementation evaluation is compiled, analyzed and communicated to the users and information services staff

Support: A help desk that provides online support 24 hours a day is a form of user support. The IS/IT department usually staffs the help desk, providing support for user-defined issues/problems. Logging the issues that come through the help desk helps to preserve data on trends/patterns; this data can be used to determine which issues should be addressed and when.