Which of the following standards can support both the 2.4 GHz band and the 5 GHz band?

• A.802.11b
• B.802.11
• C.802.11ac
• D.802.11a
• E.802.11n
• F.802.11g

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Which of the following AP modes does not belong to the WDS network?

• A.Root AP
• B.Bridge AP
• C.Leaf AP
• D.Middle AP

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What technology does 802.11n support for antenna multiplexing?

• A.MIMO
• B.Short GI
• C.Multiple antenna scan output
• D.Spatial coding

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Because 802.11a supports the same maximum rate as 802.11g supports, the 802.11a protocol is backward compatible with the 802.11g protocol.

• A.True
• B.False

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In the outdoor deployment of WLAN, to prevent obstacles from interfering, just ensure that the antenna height is higher than the obstacle.

• A.True
• B.False

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