HCIA-Data Center Facility(Huawei Certified ICT Associate-Data Center Facility) 試験
Question No : 1
The end of lead-acid battery discharge, the voltage drop, positive and negative active materials transform into ().
Question No : 2
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
Question No : 3
The main role of () is electricity distribution, in accordance with the requirements, standards and norms, assigns the forestage electric energy to various types of electrical equipments, such as UPS, air conditioners, lighting equipment and so on.
Question No : 4
The parameters that can reflect the energy efficiency state and power usage effectivenes of the data center are ().
Question No : 5
Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)
Question No : 6
Data center usually uses the gas fire system.
Question No : 7
In dynamic environment monitoring system, checking alarm detailed information can help to locate the alarm source.
Question No : 8
The core components of the refrigeration system include (). (Multiple Choice)
Question No : 9
MCB circuit breaker can be divided into B, C, D, Z, K class according to different tripping characteristics.
For IT loads, the () level tripping characteristics should be used.
Question No : 10
The humidifier that Huawei row-level precision air conditioner uses is the infrared humidifier.
Question No : 11
Huawei monitoring system NetEco supports to send the alarm message to users through (). (Multiple Choice)
Question No : 12
Air energy efficiency ratio is the ratio of effective input power and cooling capacity, its value will be shown as W/W.
Question No : 13
Dynamic environment monitoring system only has secondary architecture.
Question No : 14
Alarms of the dynamic environment monitoring system usually have different levels.
Question No : 15
According to the principle of tripping, the MCB circuit breaker can be divided into () and (). (Multiple Choice)