CDCP Question #20: Real Exam Question with Answer & Explanation

Question

Options

• AAn EMS provides local alarms. A BMS provides both local and remote alarms.
• BA BMS is only able to monitor dry contacts (on/off). An EMS can also monitor analog values.
• CA BMS only operates as a stand-alone system. An EMS can be configured as a redundant system.
• DAn EMS monitors only. A BMS monitors and controls.

Explanation

The main difference between an Environmental Monitoring System (EMS) and a Building Management System (BMS) is that an EMS monitors only, while a BMS monitors and controls. An EMS is a system that collects and records data from various sensors and devices that measure environmental parameters, such as temperature, humidity, air quality, power, and water. An EMS provides alerts and reports based on the data, but it does not control or adjust the environmental conditions. A BMS is a system that integrates and manages various building systems, such as HVAC, lighting, security, fire, and access. A BMS not only monitors the data from these systems, but also controls and optimizes them to achieve the desired performance and efficiency. A BMS can also communicate with an EMS to receive data and provide feedback.

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