H12-411-ENU

Under certain conditions of atmospheric pressure and water vapor content, to cool the air, when the air reaches saturation, cooling will continue to condense when the temperature is ().A . Dry bulb temperatureB . Wet bulb temperatureC . Dew point temperatureD . Absolute temperatureView AnswerAnswer: C

Huawei's monitoring system NetEco can only manage the infrastructure of a single data center and can not centrally manage multiple data center infrastructures managed by different regions.A . TrueB . FalseView AnswerAnswer: B

According to the principle of tripping, the MCB circuit breaker can be divided into () and (). (Multiple Choice)A . Thermal tripB . Cold tripC . Magnetic tripD . Short circuitView AnswerAnswer: AC

Alarms of the dynamic environment monitoring system usually have different levels.A . TrueB . FalseView AnswerAnswer: A

UPS common system configuration are N system, N + X system and 2N system.A . TrueB . FalseView AnswerAnswer: A

The features of UPS are (). (Multiple Choice)A . steady voltageB . Steady frequencyC . Anti-voltage surgeD . continue to supply power to the load when there is no utility powerView AnswerAnswer: ABCD

Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.A . TrueB . FalseView AnswerAnswer: B

UPS can clean electricity input, output stable exchange, to protect the load.A . TrueB . FalseView AnswerAnswer: A

In dynamic environment monitoring system, checking alarm detailed information can help to locate the alarm source.A . TrueB . FalseView AnswerAnswer: A

The basic principle of runner dehumidifier is that the water vapor runs into cooling copper tube fins forming water droplets and dehumidification.A . TrueB . FalseView AnswerAnswer: B