Huawei Netcol air-cooled air conditioner requires low temperature components when the outdoor temperature is lower than -20"C ()

• A.False
• B.True

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The NetEco management system realizes the video surveillance function of the equipment room by integrating the Huawei eSpace VCN video solution.

• A.False
• B.True

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High-rate batteries have advantages in short-time discharge, and can discharge up to 90%.

• A.False
• B.True

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Which of the following communication functions does the UPS5000-E include? () (multiple choice)

• A.SNMP
• B.RS232
• C.RS485
• D.Dry contact card

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Which of the following functions does the PDU8000 precision power distribution cabinet have? (

• A.Main circuit and sub-circuit metering function of precision power distribution cabinet
• B.The precision power distribution cabinet supports SNMP and MODBUS communication, which can transmit information to the intelligent monitoring system.
• C.Protection function of the lower line and equipment of the precision power distribution cabinet
• D.Power distribution function of data center micro-module (cabinet)
• E.Abnormal alarm function of main circuit and sub-circuit of precision power distribution cabinet

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