Free Huawei H12-421-ENU Exam Dumps Questions & Answers

When the NetCol5000-A removes the air conditioning humidifier, the steps to maintain the electrode humidifier include (). (Multiple choice)

• A.Disconnect the water supply valve and drain valve wiring
• B.Remove and clean the water supply valve
• C.Remove the drain tank and drain valve component
• D.Replace the hardened and brittle hose thoroughly flush the drain

Which of the following components do not support wireless networking?

• A.AC actuator
• B.ETH converter
• C.Skylight actuator
• D.Access control actuator

The user can modify the login password in the ( ) menu of the ECC800 web interface.

• A.System upgrade
• B.Version information
• C.Electronic label
• D.User Management

When calculating the battery capacity, the battery discharge capacity coefficients of the different backup times are the same.

• A.True
• B.False

The video can be viewed on NetEco only after the video camera is configured on the IVS.

• A.True
• B.False