Question $2.$ Answer all the following questions

$10$ marks

As the IT Chief Information Officer $($CIO$)$ for a big company with an older computer system, your goal is to upgrade it$.$ Use the basics of designing and building software to come up with a plan. First, figure out how important each old system is to the eompany and how well it works technically. Suggest a plan for the system $-$ whether it needs a makeover, replacement, or something else. $[4$ marks$]$

Describe the role of software testing within the software development life cycle. Elaborate on the purpose and significance of testing during this phase, emphasizing its contribution to producing a ligh$-$quality software prototype.

$[3$ Marks$]$

As a software project manager, you are leading a team that is developing a custom e$-$commerce platform for a refail company. The platform has a complex system architecture with multiple interconnected components. The codebase is large and has several dependencies. The company has experienced challenges with software maintainability in the past. Assess the factors that can contribute to the overall complexity of a software system?

$[3$ Marks$]$