Practice Free H12-411_V2.0-ENU Exam Online Questions
For unsaturated air, the relationship between dry bulb temperature, wet bulb temperature and point A temperature is ()
Which of the following certificates may be used during the construction of data center infrastructure products? (Multiple choice)
- A . High-altitude work permit
- B . Welder Certificate
- C . Refrigeration Worker Certificate
- D . Electrician Certificate
Which of the following descriptions of UPS working modes are correct? (Multiple choice)
- A . When the UPS works in normal mode, the inverter outputs stable AC power to supply power to the load.
- B . When the UPS operates in ECO mode, it will supply power to the load through the bypass.
- C . If the mains voltage exceeds the UPS input voltage range, the UPS will switch to battery mode.
- D . If the UPS needs maintenance, the UPS can automatically switch to maintenance bypass mode.
In Huawei DC power supplies, which of the following is correct regarding the parameter settings of LLVD and BLVD?
- A . LLVD is set to -53V and BLVD is set to -53V
- B . LLVD is set to -46V and BLVD is set to -44V
- C . LLVD is set to -48V and BLVD is set to -50V
- D . LLVD is set to -44V and BLVD is set to -46V
Which of the following statements about the FusionModule2000 cabinet rPDU are correct? (Multiple choice)
- A . Available in half-height and full-height
- B . Support C16 and C19 national standard sockets
- C . Smart rPDU supports remote monitoring but not remote shutdown
- D . Support standard industrial connectors
Which of the following descriptions about data center monitoring systems is wrong?
- A . Can monitor power system, environmental system, fire protection system, etc.
- B . Remote monitoring is not supported
- C . Can provide multiple alarm methods such as voice and short message
- D . Intelligent monitoring system can improve management efficiency
The N+X system of the UPS system has a higher power supply guarantee level than the 2N system.
- A . True
- B . False
All devices that establish communication through the SNMP protocol have IP addresses.
- A . True
- B . False
What functions can modular UPS achieve? (Multiple choice)
- A . Online expansion
- B . Online hot-swappable
- C . Single machine can achieve 2N redundant configuration
- D . Single machine can realize N+X redundant configuration