During routine maintenance of the lithium battery cabinet, which of the following areas should be protected from electric shocks caused by exposed hands or metal objects? (Choose all that apply.)
ABattery general positive terminal
BBattery negative terminal
CShort-circuit copper bar between battery modules
DBattery positive terminal
EBattery general negative terminal
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Which of the following statements are true about the routine maintenance of a UPS?
AEnvironment check: Check whether the temperature and humidity of the equipment room meet the recommended environment requirements. Check whether the equipment room is clean and tidy.
BUPS status check: Check whether the UPS works in normal mode, whether an alarm is generated, and whether the UPS is in a proper load.
CRoutine maintenance of vulnerable components: Periodically check the UPS fan operation, whether there is noise, and whether the rotation speed is abnormal.
DIf there is no alarm on the UPS panel, do not need to check the installation environment, temperature, and humidity onsite.
Which of the following is not a scenario-based solution for Huawei data center products?
AFusionDC800
BFusionDC1000
CFusionModule500
DFusionModule2000
The UPS5000-H-1200 kVA and UPS5000-H-1600 kVA have two power cabinets and one bypass cabinet, and are equipped with the MDU, ECU, and surge protection box.
ATRUE
BFALSE
Huawei-developed intelligent rPDU (PDU2000M) can replace the original UIM20A expansion module. The rPDU can connect to the cabinet T/H sensors, U space managers, and door status sensors.
ATRUE
BFALSE
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Which of the following is the procedure for replacing a damaged UPS power module onsite?
Rotate the ready switch to the on state, remove the four screws that fix the module, wait for half a minute, and remove the module for maintenance.
Rotate the ready switch to the off state, remove the four screws that fix the module, wait for half a minute, and remove the module for maintenance.
Before inserting the module into the cabinet, ensure that the ready switch is in the on state, and then place the module in the corresponding position of the cabinet. Slowly and evenly insert the module until it is fully seated. Tighten the four screws and rotate the ready switch to the off state.
Before inserting the module into the cabinet, ensure that the ready switch is in the off state, and then place the module in the corresponding position of the cabinet. Slowly and evenly insert the module until it is fully seated. Tighten the four screws and rotate the ready switch to the on state.
A1, 3
B1, 4
C2, 3
D2, 4
If the startup password authentication for a smart module is not complete, the ECC800-Pro WebUI and app cannot be used for commissioning.
ATRUE
BFALSE
Which of the following can be used to start the inverter of the UPS5000-H? (Choose all that apply.)
AUPS WebUI
BECC
CUPS LCD
DNetEco
If the SPD indicator of a smart module is green, the SPD is running properly. If the SPD indicator is red, the SPD is faulty and must be replaced immediately.
ATRUE
BFALSE
When the mains supply is stable, the UPS5000-H mainly works in __________ mode after ECO is configured.
ABattery
BNormal
CStatic bypass
DMaintenance bypass
Which of the following is the cabling mode of external power cables in IT scenarios of the FusionDC1000A?
ABottom cabling
BEnd wall cabling
CTop cabling
DEnd door cabling
What are the colors of indicators on the LCD panel of the MDU? (Choose all that apply.)
AYellow
BGreen
CRed
DOrange
In IT scenarios, which of the following are the power supply and distribution components of the FusionDC1000A? (Choose all that apply.)
ASmartLi
BPower PDB
CIntegrated UPS
DAC/DC power system
What is the upstream input voltage range of the UPS5000-H?
A360 V-600 V
B220 V-240 V
C380 V-415 V
D138 V-485 V
The flatness of the concrete support platform and base is critical to pre-fab module installation. Before hoisting the FusionDC1000A pre-fab module, ensure that the height (altitude) difference of all platforms must not exceed.
A6 mm
B4 mm
C3 mm
D5 mm
ECO mode is not recommended when the load is less than.
A10%
B30%
C5%
D20%
The default address of the WAN1 port on the ECC800-Pro is __________.
A192.168.0.10
B192.168.248.10
C192.168.248.1
D192.168.8.10
The rated output capability of a single power module for the UPS5000-H is __________ kVA.
A50
B100
C30
D60
On the ECC800-Pro WebUI, the PUE configuration mode can be “Standard” or “User-defined”.
ATRUE
BFALSE
The maintenance bypass switch cannot be turned on when the UPS5000-H works in normal mode.
ATRUE
BFALSE
The NetEco service program backend can be accessed through the iBMC port.
ATRUE
BFALSE
Which of the following statements is false about the advantages of the free cooling solution for data centers?
AThe current technology is not mature enough and should be used with caution.
BHas many use cases in the industry.
CDirectly uses the cooling capacity of the outdoor cooling source, resulting in ultra-low energy consumption.
DMakes full use of the seasonal temperature difference of air and water sources.
The NetEco northbound interface does not support the SNMP protocol. Only WebService interfaces are supported.
ATRUE
BFALSE
Which of the following statements are true about the industry trend of the data center cooling systems? (Choose all that apply.)
ALiquid cooling systems are widely used in high-density solutions.
BCloud + AI – data centers enter a new energy-saving era.
CEvaporative cooling systems become the main solution for large data centers.
DHigher inlet and outlet water temperatures are the trend of large data center cooling.
