You are required to design a semi$-$automated system, that manages the visitors to a residential complex. It is required to ensure that all logs of

any type of visitors are maintained and reports created regularly. Provide an HLD for the design which contains $($a$)$ Choice of architectural

patterns $($b$)$ Explanation in brief the reasons for the choice of the patterns $($c$)$ Depict with a diagram the dynamic use case for a visitor

registration, entry and exit.

No need to answer the above question but based on the above question answer the below question :$-$

In the same SQL engine project in the previous question, describe the cross$-$cutting concerns $($C$3)$ in the SQL engine use case. Make a use$-$

case diagram and show the C$3$ in it$.$ If you use your own notation and UML conventions, give a legend to explain.