ESA Certified Alarm Technician Practice Exam

What technology is typically used in wireless lighting control systems?

1. Zigbee

2. Wi-Fi

3. Bluetooth

4. RFID

The correct answer is: Zigbee

Zigbee is commonly utilized in wireless lighting control systems due to its specific design for low-power, low-data rate applications that require reliable communication over short distances. This technology operates on mesh networking principles, allowing devices to communicate directly with one another rather than relying solely on a centralized hub. This decentralized approach enhances reliability and range since each device can relay messages, effectively extending the overall communication network. Zigbee's ability to support multiple devices and its focus on energy efficiency make it well-suited for environments where numerous lighting controls are in use, such as in smart homes or commercial buildings. The protocol is also designed to work well in scenarios where devices are in close proximity and can help reduce interference, making it ideal for lighting control applications. While other technologies listed have their own applications, Zigbee stands out in scenarios emphasizing low power consumption, network scalability, and controlled environments typical of lighting control systems.