The core function of the AntiDDoS series of products is to defend against DDoS attacks. They can defend against traffic-type DDoS attacks, but cannot defend against application-type DDoS attacks.

• A.True
• B.False

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Regarding the S6720 series, which of the following is the following description is correct? (Multiple choice)

• A.The 16/24 low-density 10G model of S6720LI is upgraded to H3C's S6520EI business model, which has advantages
• B.S6720SI's 2.5G can support 200m POE++, but the 200m power supply can only be connected to Huawei 2.5GAP
• C.Huawei, H3C, and Ruijie all have 200mm deep 10G cassette models
• D.S6720SI has 2.5G models. 2.5G can adapt to 100M, 1000M, 5G, and 10G

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Friends questioned whether the power supply and fan frame are independently pluggable and meet the 1+ yuan surplus: The power supply and fan frame redundancy means that when the fan or power supply fails at a single point, the system can still work normally when the bad parts are replaced. The backup module is an important guarantee for the reliability of the equipment. All manufacturers in the industry support redundant power supply and fan frame configuration.

• A.True
• B.False

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Before the feeder enters the machine room from the feeder port, a () is required to prevent rainwater from seeping into the machine room along the feeder.

• A.Drip Bend
• B.Straight line penetration
• C.All of the above
• D.Go around

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IMaster NCE-FabricInsight supports five-dimensional health assessment when paired with software SDN.

• A.False
• B.True

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