Practice Free H12-411_V2.0-ENU Exam Online Questions
UPS5000-A has the industry-leading reliability design. Which of the following is correct about the reliability design of UPS5000-A? (Multiple choice)
- A . Strong grid adaptability, 138-485V voltage input range
- B . The single board is reinforced with three anti-corrosion paint
- C . More than 1,400 test guarantees
- D . No derating at 40 degrees
The increase in cabinet power density will lead to the emergence of local hot spots in the computer room. Row-level air conditioning can solve the problem of excessive local hot spots.
- A . True
- B . False
Which of the following systems accounts for the largest share of data center energy consumption?
- A . Power supply and distribution system
- B . Refrigeration system
- C . Lighting system
- D . Monitoring system
Air supply from the air conditioner is generally suitable for computer rooms with lower power density.
- A . True
- B . False
Which communication methods are provided as standard for UPS5000-A? (Multiple choice)
- A . Dry contact
- B . RS485
- C . RS232
- D . SNMP
Common UPS system configurations include N system, N+X system, and 2N system.
- A . True
- B . False
Personnel working at heights must be equipped with necessary safety belts that meet safety requirements and use them correctly and reasonably according to the regulations and be supervised by someone.
- A . True
- B . False
Which of the following components can check whether the refrigerant contains moisture?
- A . Solenoid valve
- B . Sight glass
- C . Filter drier
- D . Oil sight glass
When an air-cooled direct expansion air conditioner is performing normal cooling operation, the condenser inlet temperature is higher than the outdoor temperature.
- A . True
- B . False
Due to air conditioning failure, the operating temperature of the lead-acid battery rises from 25 ℃ to 30 ℃ . Which of the following statements is correct?
- A . The capacity that the battery can discharge increases
- B . The capacity that the battery can discharge is uncertain
- C . The capacity that the battery can discharge remains unchanged
- D . The battery capacity is reduced