The facilities supervisor for a government agency is concerned about unauthorized access to environmental systems in the event the staff WiFi network is breached.
Which of the blowing would BEST address this security concern?
A . install a smart meter on the staff WiFi.
B . Place the environmental systems in the same DHCP scope as the staff WiFi.
C . Implement Zigbee on the staff WiFi access points.
D . Segment the staff WiFi network from the environmental systems network.
Answer: D