16. The stage during which new features con be added to a software after it is released is: a.Softwareservicingb.Softwareretirement c. Software development 17. The stage during which only software bugs are fixed and no new features are added is: a. Software servicing c. Software evolution d. Software retirement 18. The stage during which a software is used but no longer maintained is: a. Software evolution b. Software development c. Software servicing d. Software retirement 19. Which one of the following statements is FALSE: a. Software evolution process depends on the type of the software being maintained b. Software evolution process depends on the used development process d. Software evolution process depends on the number of bugs that need to be fixed a. System of the following statements is TRUE: b. Perform evolution starts after the requirements engineering phase c. Proposals for improvement of a software is not a task of software evolution d. Adapting sor change are the driver for system evolution d. Adapting software to new hardware infrastructure is not a task of software evolution Part II) Q2) 10 points UML modelling: Let us consider the following Learning Management System (LMS) description: The LMS allows administrators to create, modify and delete courses. Learners can search course catalog to find specific courses and associated materials using keywords and titles. Each course has a title, a description, a duration, prerequisites (when applicable). Additional resources (syllabus, course preview videos, slides) can be attached to course content. Learners can request enrollment on a course or cancel their enrollment. Learners can view their completed courses. The administrator can restrict content availability to specific date ranges. Learners can 'star-rate' content. The LMS should support all modern browsers and should be easy to use. Learners can use their mobile devices to upload their own videos or photos into the LMS. Administrators need to approve new content added by learners