Q$\mathrm{.}1.$ An IoT system has been deployed for the home automation application. The system supports the following features:

$($a$)$ All smart devices have been connected with each other using the wireless interface and can be accessed remotely by the end user.

$($b$)$ The smart lighting solution implemented in the system can auto turn on$/$off lights only at specified time values assigned for sunrise and sunset. The system cannot dynamically turn on$/$off lights during a sunny$/$cloudy$/$rainy day.

$($c$)$ When a new sensor needs to be added in the system, the system needs to be reset to incorporate new change.

Considering the characteristics of IoT systems, which of the characteristics have been fulfilled and which have not been fulfilled by the above system? Also briefly elaborate why a particular characteristic has been fulfilled and which one has not been fulfilled. $[5$M$]$