Free Huawei H12-421 Exam Dumps Questions & Answers

It is necessary to remove the fixed sheet metal parts of the compressor before installing the indoor unit in the air-cooled air conditioner.

• A.  True
• B.  False

Can a sunroof actuator drive up to several sunroof electromagnetic locks at the same time?

• A.  2
• B.  8
• C.  4
• D.  6

The user can modify the ECC800's IP address from the () menu of the ECC800 Web interface.

• A.  Emblem module settings
• B.  Time setting
• C.  Video IP settings
• D.  Monitoring module IP

The UPS5000 option temperature and humidity sensor does not support cascading.

• A.  True
• B.  False

Before the battery is installed, a single battery open circuit voltage is required: 12V battery is greater than or equal to 12.60V or 2V battery is greater than or equal to 2.10V. When it is found to be unqualified, the battery needs to be recharged.

• A.  True
• B.  False