EMT Practice Test

1. Question Content...

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Question1: The NETECO system can define the alarm sound for the alarms of different levels.

Question2: What is the maximum capacity of the power module of the UPS5000-E?

Question3: NetCol8000-A013U 13kW small cooling capacity temperature control product adopts DC inverter compressor.

Question4: During the use of the battery, in order to balance the capacity loss caused by the start-up and discharge of the battery, it is necessary to carry out a continuous and long-term constant voltage charging of the battery, which is called ().

Question5: When the Huawei air-cooled air-conditioning compressor is turned on for the first time, the crankcase heating belt needs to be preheated for more than () hours.

Question6: The intelligent busway can replace the precision configuration cabinet and increase the number of cabinets in the IT cabinet.

Question7: The PDU8000 precision power distribution cabinet supports the monitoring of branch circuit phase current, active power, electric energy and branch circuit switch status.

Question8: When the device interface uses the MODBUS-RTU protocol, ( ) needs to be installed when connecting to the ECC800.

Question9: The ECC800 does not support the function of sending alarm information by email.

Question10: During the use of the battery, in order to reduce the deterioration of the trend of voltage imbalance between batteries, it is necessary to increase the charging voltage of the battery pack, activate and charge the battery, and prolong the battery life. The maintenance method is called ().

Question11: What are the certifications of FusionModule500&FusionModule800? (Multiple choice)

Question12: NETCOL9000-A100KW is a dual system, and the standard configuration is a single indoor unit connected to an outdoor unit.

Question13: UPS5000-E is a high-efficiency UPS. Which of the following statements is correct? (Multiple choice)

Question14: Compared with high-frequency machines, industrial frequency machines may bring more additional investment, which of the following are included? (Multiple choice)

Question15: The NetEco6000 management system can provide monitoring of the cooling power system, which of the following functions can it provide? (Multiple choice)

Question16: The damage of NETCOL5000-C thermal insulation cotton may cause:

Question17: NETECO cannot perform centralized and unified management of data center infrastructure in multiple regions.

Question18: A single row of FusionModule 2000 supports a maximum of 48 cabinets.

Question19: In ECO mode, when the input is stable, the UPS works in () state.

Question20: Which of the following UPS models supports bypass hot swap? (Multiple choice)

Question21: What are the possible reason of the excessive noise of the NETCOL5000-C fan? (Multiple choice)

Question22: The AI/DI port on the access control actuator supports to connect the ().

Question23: When the UPS is in parallel, the input phase sequence of the main bypass of each UPS needs to be checked, and the output phase sequence of a single pair is not required.

Question24: What are the main components of the natural cooling source system? (Multiple choice)

Question25: Which of the following components can control the lighting in the computer room and control the PAD charging?

Question26: The default battery charging voltage of UPS2000-G is () V/CELL.

Question27: When UPS2000-G shuts down the single machine of the shutdown system, it needs to ().

Question28: On-demand deployment and avoiding over-investment are the only advantages of Mou Aihua's data center.

Question29: FusionModule2000 IT cabinet seismic rating?

Question30: Fusion Module2000 is an outdoor prefabricated integrated data center solution.

Question31: If the FusionModule800 adopts the down pipe, what is the minimum raised floor height?

Question32: The closed hot and cold aisle system can improve cooling efficiency and reduce energy consumption.

Question33: Huawei's main temperature control solution for small and medium-sized computer rooms is?

Question34: The () components of Huawei NETCOL5000-A in-line precision air conditioner are optional parts.

Question35: In NETECO's report management, which of the following types does periodic tasks have? (Multiple choice)

Question36: Through the optional battery inspection instrument, the ( ) of the UPS battery cell can be detected. (Multiple choice)

Question37: Which of the following modules are included in the UPS5000-E that can support hot swapping? (Multiple choice)

Question38: A system is configured with 5H battery backup time, and the discharge termination voltage of the battery cell should select?

Question39: The FusionModule800 does not need to be charged with refrigerant on site within 30m of the connecting pipe.

Question40: When Huawei air-cooled air conditioner is installed, the required time for maintaining positive pressure in the refrigerant pipeline is () hours.

Question41: The access control management function of the Netco6000 management system only supports one-way card swiping (you need to swipe your card to enter the door, and press the exit button to go out), but do not support two-way card swipe (you need to swipe your card to enter the door and go out).

Question42: The maximum charging capacity of UPS5000-E is ()

Question43: UPS5000-E 100kVA, the input switch to be selected by the machine, which of the following is the most suitable ?

Question44: In the naming of UPS5000-E-120K-HASBS, the meaning of the letter E is ().

Question45: Regarding the overload capacity of UPS5000-E, which of the following statements is correct? (Multiple choice)

Question46: At present, in the design of the data center, the part ( ) that most affects the PUE.

Question47: Which of the following statements about UPS5000-E are correct? (Multiple choice)

Question48: When the outdoor unit of Huawei air-cooled air conditioner is installed horizontally, the distance from the wall or obstacle is required to be ≥ () MM.

Question49: UPS5000-A can significantly reduce the harmonic pollution to the power grid. In the case of a linear full number, the input electrical and hydraulic distortion nmi is ()

Question50: After the PowerEcho is installed, the default user name is admin. After logging in for the first time and changing the password, if you forget the password, you can retrieve and reset the password through project verification.

Question51: The domestic power supply system is 380v/50Hz.

Question52: The recommended installation location of the smart ETH socket is ().

Question53: Considering that the UPS system is fully configured in the early stage of construction, but the actual system load rate is low, UPS5000-E is designed with an intelligent sleep function, which can increase the system load rate and keep the system running efficiently. When the UPS5000E sleeps intelligently, at least how many power modules are redundant?

Question54: What is the reasonable exhaust pressure range for NETCOL5000-A in MPA? (Multiple choice)

Question55: The anti-seismic components of UPS5000 are suitable for earthquake-prone areas, and can effectively support cabinets and prevent cabinets from tipping when earthquakes with intensity 9 or below occur.

Question56: Which of the following functions or components does the UPS6000-E (50kVA power module) come standard with? (Multiple choice)

Question57: NetCol5000-c row-level chilled water intelligent temperature control product has a light-load dehumidification function, which can meet the reliable dehumidification under a minimum load of 10%, and avoid the hidden danger of condensation in a low-load and high-mix environment.

Question58: The NetEco management system supports user decentralization and domain division, so that different operation and maintenance personnel can only view the devices they manage. For example, by assigning permissions, a certain operation and maintenance personnel can only check the equipment information of the computer room of a few outlets.

Question59: ( ) marks the fully charged battery, and discharge it to the specified termination power according to certain discharge conditions.

Question60: Which of the following resources can be managed by the capacity management function of the Huawei NetEco management system? (Multiple choice)

Question61: Suppose a certain battery specification stipulates that the discharge power is [email protected]@15min. If the system demand is 1400W, the number of battery packs to be selected is ().

Question62: The power systems of FusionModule800 and FusionModule500 are 380/400/415/3Ph/50Hz and 220/230/240/1Ph/50Hz respectively.

Question63: Domains can be created in NETECO, such as campuses, buildings, computer rooms, containers, etc.

Question64: Video can only be viewed on NETECO after the video camera has been configured on the IVS.

Question65: Which of the following cladding scenarios does FusionMoudle2000 support? (Multiple choice)

Question66: The host should be set to () when the UPS5000 series multi-rack network is paralleled.

Question67: When the polling function is turned on, the running machine and the standby machine can be exchanged, thereby improving the average lifespan.

Question68: Which of the following are indoor products of Huawei data center solutions? (Multiple choice)

Question69: FusionModule2000 product configuration framework, which of the following are included? (Multiple choice)

Question70: BCB-BOX is an optional part of UPS5000-E, used for connection control between battery pack and UPS system, with overload, short circuit protection and remote management tripping functions.

Question71: Which of the following voltage systems does the UPS5000-E support? (Multiple choice)

Question72: What methods are supported by the FusionModule800 UPS configuration?

Question73: The NETCol5000-A36W air conditioner has a light load initial function.

Question74: All fire-fighting cables running in the FusionModule1000 are covered with metal hoses, and the ends of the pipes are protected by wire sleeves to avoid damage to the fire-fighting cables in the event of a fire.

Question75: One NetCol520 chilled water distribution units can maximum support () NETCOL5000-C water-cooled row-level precision air conditioners.

Question76: When a user uses the NETECC APP on the PAD to query the PUE information in the current computer room, he needs to click the () menu.

Question77: When UPS5000-E is installed in parallel, it is not necessary to connect the parallel cables of each UPS in the parallel system into a loop.

Question78: What are the main reasons for the energy saving effect of closed cold/hot aisle? (Multiple choice)

Question79: The external maintenance bypass of the UPS system generally uses a circuit breaker with ( ) pole.

Question80: When the single unit is working, the load of the UPS2000-G is connected to the PL, what will cause the load to be powered off? (Multiple choice)

Question81: What sensor does FusionModule2000 use to detect whether the air conditioner is leaking?

Question82: FusionModule500&FusionModule800 display brand optional ()?

Question83: Regarding the integrated UPS5000-E120K-HASBS statements, which of the following is incorrect?

Question84: What is the maximum power of the IT cabinet of FusionModule500 & FusionModule800?

Question85: What is the system efficiency of UPS5000-E?

Question86: How many 12v batteries can the optional battery inspection instrument of UPS5000-A-400/500K support?

Question87: Which manufacturers have 50KVA power modules? (Multiple choice)

Question88: Regarding the adjustable battery of UPS5000-E, when one battery is broken, at least () battery needs to be removed? Then set the corresponding number of battery cells on the monitoring panel.

Question89: The terminal power of the battery in the open circuit state is called ().

Question90: Regarding intelligent battery management in UPS5000-A, which of the following statements is correct? (Multiple choice)

Question91: When the battery status of the UPS2000G is NA, it may be ().

Question92: In the () setting interface, you can set the linkage rules of the multi-function sensor and the sunroof.

Question93: What security mechanisms does NetEco6000 management system use to ensure network security and prevent the leakage of business sensitive data? (Multiple choice)

Question94: The ECC800 is the core component of local management of the micro-module, and the access of its southbound components can be extended through the POE bus.

Question95: When the maintenance engineer arrives at the customer site, he should make a record of the working environment around the site. What are the main collection items? (Multiple choice)

Question96: After the UPS5000-E is installed, what are the key points for the first power-on inspection? (Multiple choice)

Question97: Compared with the upper air duct air supply, the upper air duct air supply has the advantages of long air supply distance and uniform air supply.

Question98: UPS5000-E only needs to select ( ) to easily realize the N+X power supply system. The operation is simple and convenient. (Fill in the blank)

Question99: Which of the following models has the widest input voltage range and is more suitable for harsh power grids?

Question100: The function of the back-feed protection card is that when the energy back-feed occurs in the main circuit or the bypass, the back-feed protection card sends a drive alarm signal, and the drive trip switch (configured by the customer) is disconnected, which plays the role of back-feed protection.

Question101: Which of the following features are standard features of NETCOL8000-C air conditioners?

Question102: What is the range of the number of battery cabinets in the FusionModule800 module?

Question103: Which of the following descriptions of the iPower function of the intelligent micro-module of Fusionllodule2000 v3.0 are correct? (Multiple choice)

Question104: APM, NR and other UPS products need to be derated at 30 degrees, and UPS5000-E does not need to be below 40 degrees.

Question105: Which of the following alarm functions does the PDU8000 precision power distribution cabinet branch circuit have? (Multiple choice)

Question106: The operating temperature range of FusionModule800 is -40-45 degrees, and the operating temperature range of FusionModule500 is 0~45 degrees.

Question107: On the NETECO interface, a module can only bind () ECC800 devices.

Question108: The type of UPS5000-E is ( )

Question109: UPS5000-A supports the adjustable number of battery cells, which avoids the replacement of a whole group caused by a single battery failure, and solves the problem of difficult maintenance of traditional UPS batteries in the range of 30-40 cells.

Question110: The device is connected to the ECC800 monitoring system through the smart ETH socket, using the () interface of the smart FTH socket.