Five years ago, MKS installed 16 Network CCTV cameras. Since then, there is no upgrade done on this CCTV system. A couple of the CCTV cameras work via wireless connection. The video recording is saved on a desktop computer, which is configured with an NVR application. To manage easily, the data network and CCTV networks are connected to the common switch.

Identify 3 weaknesses of the installed perimeter design and proposed a new network infrastructure design to overcome current network issues.