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CWNA-108 · Question #141

You are configuring an access point to use channel 128. What important fact should be considered about this channels?

The correct answer is D. It is a channel that likely requires DFS when used. See the full explanation below for the reasoning.

Question

You are configuring an access point to use channel 128. What important fact should be considered about this channels?

Options

  • AIt is a 22 MHz channel so it will overlap with the channels above and below it
  • BIt is a 2.4 GHz frequency band 40 MHz channel, so it should not be used
  • CIt is a channel that is unsupported by most access points
  • DIt is a channel that likely requires DFS when used

How the community answered

(17 responses)
  • A
    18% (3)
  • B
    6% (1)
  • C
    6% (1)
  • D
    71% (12)

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