EMT Practice Test

1. Question Content...

---

Question1: The ECC800 does not support the function of sending alarm information by email.

Question2: UPS5000-E can accept the input voltage within the range of ( ) V.

Question3: When UPS2000-G-(6-20KVA) is in ECO mode, the battery indicator and bypass indicator are on at the same time.

Question4: What items need to be checked after the UPS5000-E system is installed? (Multiple choice)

Question5: The default battery float voltage of UPS2000-G-20K is ( ) V/cell.

Question6: The UPS5000-E has no built-in transformer.

Question7: The height of the FusionModule500&FusionModule800 cabinet is 24U, and both 42U are optional.

Question8: The ECC800 does not support SMS notification of alarms and cannot realize remote maintenance.

Question9: The component that can realize RS486/CAN to FE interface conversion is ().

Question10: There is no limit to the total length of the refrigerant piping of the direct expansion air-cooled air conditioner.

Question11: Users can monitor the status of equipment such as UPS and air conditioners on the ECC800.

Question12: UPS5000-series modular UPS product features are similar to which of the following product models?

Question13: What factors are currently affecting the application of HVDC equipment in the computer room? (Multiple choice)

Question14: What is the maximum number of cabinets in the FusionModule500 & FusionModule800 modules?

Question15: In the UPS5000 configurator, what are the optional module types? (Multiple choice)

Question16: If the length of the connecting pipes between the indoor and outdoor units of the FusionModule800 air conditioner is less than how many meters can there be no need to charge refrigerant?

Question17: ( ) marks the fully charged battery, and discharge it to the specified termination power according to certain discharge conditions.

Question18: When the device interface uses the MODBUS-RTU protocol, ( ) needs to be installed when connecting to the ECC800.

Question19: FusionModule2000 product configuration framework, which of the following are included? (Multiple choice)

Question20: If the customer's load cannot be powered off, what should be paid attention to disconnecting the maintenance bypass switch after the maintenance is completed?

Question21: 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.

Question22: If the customer has high requirements on the availability of the management system and requires that the normal use of the system is not affected by a single point of failure of the hardware, the NetEco management system can provide a high-availability solution of dual-system backup. In the dual-computer solution, what hardware resources are required by NetEco?

Question23: 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?

Question24: NETECO's report functions are displayed in various forms, with a variety of visual presentations such as bar charts, pie charts, and curve charts.

Question25: 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.

Question26: What are the i3 features of FusionModule2000 V3.0 include? (Multiple choice)

Question27: The PDU8000 precision power distribution cabinet supports the monitoring of branch circuit phase current, active power, electric energy and branch circuit switch status.

Question28: What core differentiated features of FusionModule800 can shield opponents? (Multiple choice)

Question29: The 2.4G antenna on ECC800 should be installed in ().

Question30: Which of the following options belongs to the natural cooling system?

Question31: 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.

Question32: Compared with high-frequency machines, industrial frequency machines may bring more additional investment, which of the following are included? (Multiple choice)

Question33: The refrigerant cylinder of Huawei air-cooled air conditioner does not need to be placed upside down on the electronic scale when charging refrigerant.

Question34: During the stable operation of the NECOL5000-A35KW air conditioner compressor, the oil level that can be observed by the sight glass is considered qualified at the position of ().

Question35: Fusion Module2000 is an outdoor prefabricated integrated data center solution.

Question36: Which of the following alarm functions does the PDU8000 precision power distribution cabinet branch circuit have? (Multiple choice)

Question37: What sensor does FusionModule2000 use to detect whether the air conditioner is leaking?

Question38: For storage batteries that have been stored for 18 months or more and have not been charged during the period, what should be dealt with?

Question39: Which type of circuit breaker used in the sub-circuit of the PDU8000 precision power distribution cabinet?

Question40: When installing the power line of UPS5000-E, if the main and side sources are different, you need to remove the bronze plate connecting the bypass and the main circuit first, and then connect the main circuit and the bypass input respectively.

Question41: The relevant standards stipulate that the voltage drop of the AC cable needs to be controlled within 3%. It is recommended that the voltage drop of the AC cable be controlled within ( ) when designing the UPS system.

Question42: Which of the following certifications has the PDU8000 precision power distribution cabinet passed? (Multiple choice)

Question43: Which of the following air-conditioning systems need to be equipped with cooling towers and dry coolers?

Question44: When NETCOL5000-A is charged with nitrogen to maintain pressure, the required nitrogen cylinder must be equipped with a pressure reducing valve.

Question45: A system is configured with 15min battery backup time, and the discharge termination voltage of the battery cell should select?

Question46: When multiple FusionModule products are used in the same project, when configuring NetEco, the associated application scenario should select?

Question47: The temperature control laboratory has passed the GMPI certification.

Question48: What are the common cabinet specifications in the FusionModule2000 configurator? (Multiple choice)

Question49: PDU8000 precision power distribution cabinet supports the monitoring of main circuit phase current, active power, electric energy and branch circuit switch status.

Question50: The smart ETH socket supports up to () cascades.

Question51: The form of humidifier adopted by the row-level chilled water intelligent temperature control product NetCol5000-C032H is ( ). (Fill in the blank)

Question52: If the FusionModule800 adopts the down pipe, what is the minimum raised floor height?

Question53: When selecting to support only temperature detection and not to support hot-plug configuration, the switches in the slot must be fully configured.

Question54: The NETCol5000-A36W air conditioner has a light load initial function.

Question55: When UPS2000-G shuts down the single machine of the shutdown system, it needs to ().

Question56: UPS5000-E is a high-efficiency UPS. Which of the following statements is correct? (Multiple choice)

Question57: In NETECO's video menu, you can check the camera's name, code, IP address, model, status and other detailed information.

Question58: The reason why the fan does not turn when the NETCOL5000C device is turned on may be ().

Question59: How many temperature and humidity monitoring modules are required for each temperature control product?

Question60: The DC cable voltage drop needs to be controlled within ( ).

Question61: The UPS5000-E (50kVA power module) has a single cabinet capacity of 300kVA and can support 8 racks in parallel.

Question62: In UPS, corresponding to 50k modules, the maximum output capacity of a single UPS is?

Question63: The FusionModule2000 battery is listed in the scene, supporting up to () battery cabinets?

Question64: What are the main components of the natural cooling source system? (Multiple choice)

Question65: 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 ().

Question66: Which of the following descriptions of the iPower function of the intelligent micro-module of Fusionllodule2000 v3.0 are correct? (Multiple choice)

Question67: What is the range of the number of battery cabinets in the FusionModule800 module?

Question68: In the NETCOL5000-A air conditioner, if a large number of air bubbles are observed in the pipe sight glass, it means that the refrigeration system lacks refrigerant, and the refrigerant should be charged as needed.

Question69: The intelligent busway can replace the precision configuration cabinet and increase the number of cabinets in the IT cabinet.

Question70: After the UPS5000-E is installed, what are the key points for the first power-on inspection? (Multiple choice)

Question71: What can users do through the ECC800WEB interface? (Multiple choice)

Question72: FusionModule solution can use ECC800 to achieve local monitoring, and use NetEco management system to achieve centralized monitoring of multiple micro-modules.
Then, in the project bidding quotation, which product is the configuration quotation of the ECC800 collector in?

Question73: In the direct ventilation natural cooling scheme, the compressor of the air conditioner stops working in the self-winding mode, mainly because the fan replaces the outdoor cold air with the indoor hot air, so the PUE is very low.

Question74: What are the functions provided by the Huawei surveillance system NETECO? (Multiple choice)

Question75: The adjustable range of the number of cells in a single group of batteries supported by UPS5000S is?

Question76: The signal processing of the UPS5000-E will centralize control:

Question77: 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)

Question78: U-position self-identification technology is used to ensure accurate placement of IT equipment. Which feature of NetEco is this?

Question79: What are the alarm management functions supported by the ECC800? (Multiple choice)

Question80: The height of the ECC800 collector is () U.

Question81: One sunroof actuator can drive up to () sunroof solenoid valves at the same time.

Question82: The host should be set to () when the UPS5000 series multi-rack network is paralleled.

Question83: Which of the following descriptions for the configuration of the PDU8000 modular precision power distribution cabinet is correct?

Question84: The bypass module of UPS5000-E-200K (50kVW power module) is the same as that of UPS5000-E-300K.

Question85: Which of the following fan control modes are supported by NetCo18000-C series room-level chilled water intelligent cooling products? (Multiple choice)

Question86: Huawei air-cooled air conditioners (25kw and 42kw) one indoor unit corresponds to one outdoor unit.

Question87: Regarding the integrated UPS5000-E120K-HASBS statements, which of the following is incorrect?

Question88: Which of the following humidification forms has the lowest energy consumption?

Question89: Which of the following are indoor products of Huawei data center solutions? (Multiple choice)

Question90: If a project needs a management system to monitor the PUE value of the room, what function does NetEco need to quote separately?

Question91: The FusionModule800 does not need to be charged with refrigerant on site within 30m of the connecting pipe.

Question92: UPS5000-E (50kVA power module) single rack can accommodate up to 300kVA.

Question93: 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.

Question94: The default management authority user name of the ECC800 is admin, and admin has all the authority to operate the WEB interface functions.

Question95: The recommended installation location of the smart ETH socket is ().

Question96: Huawei's main temperature control solution for small and medium-sized computer rooms is?

Question97: What are the possible reasons for the failure of the humidification function of the NETCOL5000-A air conditioner? (Multiple choice)

Question98: What are the possible reason of the excessive noise of the NETCOL5000-C fan? (Multiple choice)

Question99: A single row of FusionModule 2000 supports a maximum of 48 cabinets.

Question100: In the parallel steps of the UPS5000-E, the reason for using the EPO status interface is ().

Question101: 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.

Question102: UPS5000-A-400/500K can support up to () parallel machine with good scalability.

Question103: When installing the UPS500-E, a certain distance should be left behind and above to ensure ventilation and heat dissipation.

Question104: The ECC800 is equipped with a SIM card, the SIM card should be installed in ().