Online Access Free Huawei.H12-425-ENU.v2021-09-30.q157 Practice Test (Page 11)

When the device interface uses the Modbus-RTU protocol, what needs to be installed when accessing the ECC800?

A.ETH converter

B.AC actuator

C.sunroof actuator

D.Access control actuator

When you create a camera in NetEco, you need to get () in addition to the IP address of the camera.

A.Camera installation location

B.Camera brightness

C.Camera coding

D.Camera pixels

If the ECC800 is configured with a SIM card, the SIM card should be installed in ().

A.USB interface

B.ECC800 main control module left slot

C.Below the ECC800 antenna port

D.ECC800 power module slot

The main reason for the energy-saving effect of the closed cold/hot passage is (). (Multiple choice)

A.It can increase the air supply temperature of the air conditioner, thus reducing the energy consumption of the air conditioner.

B.The closed heat channel can increase the return air temperature and improve the cooling efficiency.

C.Reduce the humidification power consumption by increasing the supply air temperature and reducing the power consumption of humidification.

D.Isolating hot and cold air, avoiding the confusion of hot and cold air and improving the utilization of cold air.

Wind pipe has shorter air supply distance than the blast cap.

A.TRUE

B.FALSE

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