Spread spectrum ( spread-spectrum ) Technology is to use ISM The basis of frequency band transmission of wireless data.

• A.False
• B.True

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Which of the following is IEEE A wireless local area network standard originally formulated ()?

• A.IEEE 802.16
• B.IEEE 802.11
• C.IEEE 802.10
• D.IEEE 802.12

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In huawei eSight The maximum number of layers supported by the location topology in the network management system is layer ().

• A.10
• B.7
• C.9
• D.8

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The omnidirectional antenna appears on the horizontal pattern as ()Spend.

• A.180
• B.360
• C.0
• D.90

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A 10 Floors of buildings need to be covered WLAN Signal, because taking into account the floor block, which can be set to 6 channel.
5,6 Layered WLAN Signal frequency

• A.False
• B.True

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