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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
When using PoE (Power over Ethernet) interface, it has two functions: communication and power supply.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: B
السؤال #2
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #3
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #4
How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?
A. 1
B. 2
C. 3
D. 4
عرض الإجابة
اجابة صحيحة: B
السؤال #5
Which of the following are subsystems of the integrated cabling system? (Choose all that apply.)
A. ork area subsystem
B. uilding management subsystem
C. anagement subsystem
D. ampus subsystem
عرض الإجابة
اجابة صحيحة: ACD
السؤال #6
Which of the following Humidifier is used in Huawei row-level precision air conditioning?
A. Infrared humidifier
B. electrode humidifier
C. High pressure spray humidifier
D. Ultrasonic humidifier
عرض الإجابة
اجابة صحيحة: B
السؤال #7
STS static transfer switch can realize the switching between different input power supplies and provide dual power supply for single power supply load.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #8
The type of compressor used by Huawei air-cooled precision air conditioner is (_______________).
A. Screw type
B. Centrifugal
C. Scroll
D. Reciprocating
عرض الإجابة
اجابة صحيحة: C
السؤال #9
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #10
The PLF (Power Load Factor) is defined as the ratio of the data center power consumption of the power distribution system to the power consumption of the IT equipment.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #11
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #12
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #13
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #14
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #15
The dynamic environment monitoring system focuses on data center infrastructure management and supports the monitoring of power supply and distribution equipment, refrigeration equipment, environmental equipment and security equipment in the data center.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #16
Ascending workers should be equipped with the seat belts which is necessary and meeted the safetyrequirements, and use properly and reasonably according to the use of the provisions: meanwhile, should have guardian's guardianship.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #17
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #18
ATS The dual power supply automatic switch can realize the fast mechanical switching of the two power supplies.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #19
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #20
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #21
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #22
How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?
A. 1
B. 2
C. 3
D. 4
عرض الإجابة
اجابة صحيحة: B
السؤال #23
MCB circuit breaker C-level trip setting value between (_______________), used in IT load situations.
A. 2-3ln
B. 3-5In
C. 5-10ln
D. 8-15ln
عرض الإجابة
اجابة صحيحة: B
السؤال #24
How much V is the contact voltage limit (equivalent to the safety voltage) prescribed by the International Electrotechnical Commission (IEC)? And provides 25V following do not need to consider the safety measures to prevent electric shock.
A. 0
B. 20
C. 0
D. 0
عرض الإجابة
اجابة صحيحة: C
السؤال #25
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #26
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #27
The surface cooler controls the indoor temperature and humidity through the heat exchange between the refrigerant and the indoor air.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #28
For the same MCB circuit breaker, the rated ultimate short-circuit breaking capacity leu is generally less than the rated operating short-circuits breaking capacity Ics.
A. ALSE
B. RUE
عرض الإجابة
اجابة صحيحة: A
السؤال #29
In the dynamic environment monitoring system, viewing the detailed alarm information can help locate the source of the alarm.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #30
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #31
The following ( ) air supply methods are mainly applicable to the craft air conditioners in lower work area where there is a large amount of waste heat to be taken away.
A. ottom supply and upper return
B. pper supply and bottom return
C. ottom supply and bottom return
D. iddle air-supply
عرض الإجابة
اجابة صحيحة: A
السؤال #32
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
عرض الإجابة
اجابة صحيحة: ABCD

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