QUESTION $1(20$ Marks$)$

How can object$-$oriented analysis and design principles contribute to the development of a robust,

adaptable, and secure SCTMS that meets the dynamic demands of urban traffic? Refer to the case study

scenario and answer the following questions.

$1\mathrm{.}1$ Identify the primary objects within SCTMS and describe their key attributes and relationships. $(5$ Marks$)$

$1\mathrm{.}2$ Describe a class diagram that shows how core system entities $($e$.$g$.,$ traffic controllers, sensors$,$

vehicles$)$ interact to optimize traffic flow.

$(5$ Marks$)$

$1\mathrm{.}3$ What model can be used for illustrating the interaction among traffic lights, sensors$,$ and vehicles in

response to a traffic congestion alert and give your reason.