To configure the UPS system plan, which of the following factors need to be considered in the plan? (Multiple choice)

• A.UPS model, capacity and parallel mode
• B.The brand and capacity of the battery
• C.Make and model of AC and DC cables
• D.Configuration of battery rack and battery switch box

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Which of the following are the characteristics of Huawei NETCOL5000-A row-level precision air conditioner cooling capacity adjustment? (Multiple choice)

• A.When the load is lower than 30%, the compressor starts and stops frequently, and the valve parts move frequently and are easy to get stuck.
• B.When the load is lower than 20%, the electric heating compensation is turned on, and the compressor continues to run without stopping
• C.Fixed frequency compressor, no stepless adjustment of cooling capacity
• D.DC inverter compressor, 20%-100% stepless adjustment of cooling capacity

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

• A.E-Series Modular UPS
• B.Input switch type is ATS
• C.Input switch type is MCCB
• D.208V voltage body

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UPS5000-A has built-in SNMP and ModBus card to reduce the management investment cost of customers.

• A.False
• B.True

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Access to the ECC800 by wireless networking is not supported during the trial period of access control.

• A.TRUE
• B.FALSE

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