802.11 Frame, when the network uses WDS When the model is signaled, To DS and From DS What are the values of ()?

• A.1,1
• B.0,1
• C.0,0
• D.1,0

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If one BSS Totally by STA Composition, then BSS What is also called ()?

• A.SSID
• B.BSA
• C.ESS
• D.IBSS

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pass through FTP Way to upgrade AP, You need to ensure AP and FTP Servers can communicate with each other, and AP Put the upgrade file in FTP Root directory.

• A.False
• B.True

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Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHz Frequency band()?

• A.802.11g
• B.802.11b
• C.802.11a
• D.802.11n

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The following () service model can provide end-to-end QoS services, but the scalability is not good.

• A.IntServ model
• B.Best Effort model
• C.DiffServ model
• D.FIFO model

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