How to deal with the mismatch of AP and AC in the project implementation?

• A.replace the switch
• B.check POE power supply, if it is normal
• C.upgrade version and make it match with each other
• D.change AP equipment

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The following statement about the region is correct (Select 3 Answers)?

• A.If you do not configure, all APs belong to region 0 by default.
• B.An AP can belong to two regions at the same time, so that roaming is more optimized.
• C.AP region is laid in three types: dense placement, discrete deployment, and normal deployment.
• D.APs belonging to the same region will uniformly adjust the RF channel and power.

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Which of the following 2.4GHz bands are Selective Answers (ABD) (Select 3 Answers).

• A.6 and 11
• B.4 and 8
• C.3 and 8
• D.4 and 10

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Which of the following rates is not the rate supported by the 802.11a protocol?

• A.30Mbps
• B.12Mbps
• C.24Mbps
• D.6Mbps

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The gain size of antenna can explain ().

• A.antenna collects electromagnetic waves or launch ability strong or weak in one direction
• B.antenna collects electromagnetic waves or launch ability strong or weak in all directions
• C.the amplification capability of antenna to high frequency signal
• D.the amplification ability of electromagnetic waves

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