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. What are the hardware resources required by NetEco in the dual-computer solution? (

• A.2 servers + 2 disk arrays + 3 switches
• B.1 server + 1 t-disk array + 2 switches
• C.2 servers + 1 disk array + 1 switch
• D.None of the above is true

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Compared with high-frequency machines, industrial frequency machines may bring more additional investment, including: ()

• A.Running electricity
• B.Refrigeration electricity bill
• C.Oil engine
• D.Room area
• E.Mouth load-bearing (installation and construction)

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

• A.3KVA
• B.9KVA
• C.5KVA
• D.7KVA

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Which of the following is the refrigerant type of Huawei NetCol in-line air-cooled air conditioner ()

• A.R22
• B.Freon
• C.R410A

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NetEco management system supports remote notification of alarms through SMS, email, etc., prompting users to deal with alarms as soon as possible.

• A.False
• B.True

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