Which of the following statements is wrong?

• A.Minfen supports SFV same-frequency roaming to meet the requirements of uninterrupted mobile medical rounds
• B.For indoor high-density guidance, 4050DN-HD has a built-in small-angle antenna to increase the concurrent rate of high-density users while improving deployment efficiency
• C.4050DN-HD has built-in Bluetooth and supports 3 IoT slot expansions to easily meet IoT application needs

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Which application identification technology has the highest efficiency in Huawei's SD-WAN solution?

• A.SA feature library recognition
• B.First Packet Identification
• C.User-defined identification

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The default priority of OSPF routing protocol of Huawei CE equipment and Cisco equipment is the same.

• A.True
• B.False

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S5735 series switches all support dual power supplies and can be booted in advance in the project.

• A.True
• B.False

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Which of the following Huawei AntiDDoS's seven-layer filtering model includes? (Multiple choice)

• A.Conversation Analysis
• B.Feature Filtering
• C.Behavioral Analysis
• D.Source Authentication

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