EMT Practice Test

1. Question Content...

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Question1: The communication option card of UPS2000G only has Modbus card and SNMP card.

Question2: In the stable operation of the NeCol5000-A35kW air conditioner compressor, the oil level observed by the oil sight is regarded as qualified at the ( ) position.

Question3: When the temperature detector or smoke detector in the FusionModule1000 generates an alarm, ( ) emits a continuous beeping sound to remind you to take measures as soon as possible to avoid a major accident. (Multiple choice)

Question4: What are the access control type of the micro module? (Multiple Choice)

Question5: How many kVA power modules does the UPS5000-S-400K use?

Question6: The functions provided by Huawei's monitoring system NetEco are: (multiple choice)

Question7: () can realize the signal processing and centralized control of UPS5000-E.

Question8: The gas fire extinguishing device is a fire extinguishing device composed of (). (Multiple choice)

Question9: What are the reasons for the excessive noise of the NetCol5000-C fan? (multiple choice)

Question10: The functions that the ECC800 can implement are (). (Multiple choice)

Question11: The dry contact signal of the UPS5000-E does not support the remote emergency stop function.

Question12: The same group of batteries cannot be mixed with batteries of different capacities, different specifications, different batches, and different manufacturers.

Question13: Deploying on demand and avoiding over-investment is the only advantage of a modular data center.

Question14: ECC800 does not support historical data export.

Question15: When ATS is in the automatic mode, the manual operating handle must be removed.

Question16: The UPS5000-E can press the battery cold start button on the bypass module without the main bypass input to start the inverter, and the system will automatically enter the battery inverter mode.

Question17: Closed hot and cold aisle systems increase cooling efficiency and reduce energy consumption.

Question18: Through the ECC800Web interface, what can users do? (Multiple choice)

Question19: The refrigerant air cylinder of the Huawei air-cooled air conditioner does not need to be inverted on the electronic scale when charging the refrigerant.

Question20: The height of the ECC800 collector is () U.

Question21: When the NetCol5000-A indoor unit and the outdoor unit are not installed separately, the refrigerant line is ().

Question22: DOD (depth of discharge) indicates the percentage of battery discharge and battery rated capacity.

Question23: () air supply method must have a reasonable raised floor height.

Question24: The operation noise of the NetCol5000-A air conditioning unit is abnormal. It should be checked whether the compressor, fan, pipeline, etc. are fixed normally and there is looseness.

Question25: UPS2000-G-(6-20kVA) battery is not connected and does not affect the normal power supply of the system, but the UPS loses the backup power supply capability.

Question26: The scenario is complex, and the difficulty of creating a new site is the only challenge facing the development of traditional data center services.

Question27: The assembly unit that can realize RS485/CAN to FE interface conversion is ().

Question28: In the water side natural cooling scheme, cooling water can be directly supplied from the cooling tower to the air conditioner to complete the cooling.

Question29: If the ECC800 is configured with a SIM card, the SIM card should be installed in ().

Question30: The cycle life of the battery is direct proportional to the depth of discharge.

Question31: The reason for using the EPO status interface in the parallel step of the UPS5000-E is ().

Question32: Which web interface can the user log in to view the running status of the device in the micromodule?

Question33: The user can modify the login password in the ( ) menu of the ECC800 web interface.

Question34: The user can modify the ECC800's IP address from the () menu of the ECC800 Web interface.

Question35: In general, the air supply distance of the air duct is shorter than that of the hood air supply.

Question36: The UPS5000 option temperature and humidity sensor does not support cascading.

Question37: Which of the following technology or scheme can effectively reduce the PUE? (Multiple choice)

Question38: When inspecting, maintaining and repairing electrical equipment in non-blackout mode, a warning sign or signage should be placed on the electrical installation and work area.

Question39: When the unit is working, the load of the UPS2000-G is connected to the PL, what condition will cause the load to be de-energized? (Multiple choice)

Question40: When the UPS is parallel, it is necessary to check the input phase sequence of each UPS main bypass, but the output phase sequence is not required.

Question41: When installing NetCol5000-A35kW, how many kg of refrigerant are generally pre-filled?

Question42: NetEco's access control management function cannot modify the door name.

Question43: When installing the UPS5000-E, there should be a certain distance between the back and the top to ensure ventilation and heat dissipation.

Question44: Which of the following factors affect battery life? (Multiple Choice)

Question45: After the UPS5000-E system is installed, which of the following items need to be checked? (Multiple choice)

Question46: When the UPS5000-E is equipped with an IP21 component, the ejector component can also be installed.

Question47: The UPS5000 seismic components are suitable for use in earthquake-prone areas and can effectively support cabinets in the event of an earthquake of 9 intensities and below to prevent the cabinet from tipping over.

Question48: Which part of the data center design is currently affecting its PUE?

Question49: Neteco can't centrally and uniformly manage data center infrastructure across multiple geographies

Question50: Which of the following components do not support wireless networking?

Question51: On the NetEco interface, a modular can only bind () ECC800 devices.

Question52: When the UPS5000-E is installed in parallel, it is not necessary to connect the UPS parallel lines of the parallel system into a loop.

Question53: When the battery is out of control, what is the main cause of deformation and bulging due to the internal pressure becomes larger?

Question54: Can a sunroof actuator drive up to several sunroof electromagnetic locks at the same time?

Question55: The EPO status interface of the UPS5000-E can select a normally open or normally closed interface according to actual use.

Question56: When the maintenance engineer arrives at the customer site, the working environment around the site should be recorded. The main collection items are (). (Multiple choice)

Question57: After the UPS5000 is installed with ejector fan, you need to set the status of "Ejector Fan" as "Allow" in the menu. Otherwise, the ejector modules cannot be used normally.

Question58: The NetCol 8000-A100kW is dual-system and comes standard with a single indoor unit connected to an outdoor unit.

Question59: The following air conditioning systems need to be equipped with a cooling tower or dry cooler ().

Question60: ECC800 is the core component of the micro-module local management, and its south-facing components can be extended through the PoE bus.

Question61: Huawei precision air conditioners support up to () air conditioners to form a group control.

Question62: When a fire occurs in the cabinet, what is used to activate the gas fire extinguishing device on site?

Question63: The UPS5000-E accepts input voltage frequency in a range of () Hz.

Question64: The multi-function sensor in the Fusion Module2000 modular channel can be connected to the () component.

Question65: Which mode of air supply is suitable for data centers with high power density in a single cabinet.

Question66: In ECO mode, the UPS operates in the () state when the input is stable.

Question67: In the naming of UPS5000-E-120K-HASBS, the letter E stands for ().

Question68: When the NetCol5000-A air conditioner was commissioned, Which statement about the possible cause of the "exhaust high pressure alarm" was wrong?

Question69: In () setting interface, you can set the linkage rule of the multi-function sensor and the sunroof.

Question70: Which of the following supports the UPS5000-E-400K-FM input line voltage? (Multiple choice)

Question71: When the FusionModule1000 fire protection system is adjusted, the smoke detector can be heated to simulate the fire alarm of the temperature sensor.

Question72: Which of the following options is a natural cooling system?

Question73: Which of the following are the characteristics of Huawei NetCol5000-A row-level precision air conditioner cooling capacity adjustment?

Question74: What may NetCol 5000-C insulation cotton damage result in?

Question75: Three sets of 9Ah battery packs are connected in parallel and connected to UPS2000-G-6kVA. What is the battery capacity set?

Question76: The straight pipe interval fixedly supported by NetCol5000-C piping is ().

Question77: When the single machine is working, after the function of power-off of the ups2000-g machine is prohibited, the PL port has no output when overload or battery power is low.

Question78: When the differential pressure switch of the air filter of the indoor unit is closed, it indicates that the filter is too dusty and should be disposed of in time.

Question79: The rated voltage of the cell in the VRLA battery is ().

Question80: The sleep of the UPS module is to turn off the inverter of some modules when the system load rate is low and stable, so that some modules go to sleep, and the remaining un-hibernated modules bear a larger load to solve the problem of the low efficiency when the system load is light.

Question81: How many NetCol5000-C water-cooled line-class precision air conditioners can be supported by one NetCol520 chilled water distribution unit?

Question82: The NetCol5000C device is powered on and the reason why the fan does not turn may be ().

Question83: Where is the recommended installation location for the Smart ETH socket?

Question84: The default battery charge voltage of the UPS2000-G is ( ) V/cell.