During the of the systems development life cycle (SDLC), an information system is operating, enhancements and modifications to the system have been developed and tested, and hardware and software components have been added or replaced.

"Maintenance Phase" is the correct answer for the above question.

Explanation:

The SDLC is a life cycle of the software development phase. It consists of several phases which gives the guidelines of the software development.The last phase of this software development is implementation and maintenance. This phase states the developer to deliver the project and maintain the project when the client has some issues related to this software.The above question asked about the phase in which the software is get maintained by the developer after delivering the project. This phase is known as the maintenance phase which is the correct answer.

It should be by long pressing on the name of an answer if not i'm on a pretty old phone so it might be different for me