Online Access Free H12-411 Exam Questions

Which of the following is not a basic function of a low-voltage circuit breaker?

• A.dual power switch
• B.Break
• C.Short circuit protection
• D.Overcurrent protection

What throttle devices does Huawei air-cooled precision air conditioning use? (Multiple choice)

• A.Orifice
• B.Thermal expansion valve
• C.Electronic expansion valve
• D.Solenoid valve

Which of the following is not part of the chilled water air conditioner?

• A.Exhaust valve
• B.Table cooler
• C.Condenser
• D.Fan

Under the same load conditions, the backup time of the UPS is mainly determined by the battery capacity and the number of battery sections. The larger the battery capacity is, the longer the backup time is.

• A.True
• B.False

How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?

• A.2
• B.4
• C.3
• D.1