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HP0-Y44 · Question #10

How does 802.1h (DFS) help 802.11 devices avoid interference?

The correct answer is B. The standard enables APs to switch channels when they encounter any interference in the 5.0 GHz range. See the full explanation below for the reasoning.

Question

How does 802.1h (DFS) help 802.11 devices avoid interference?

Options

  • AThe standard ensures that 802.11 devices do mil interfere with other, non-802 11, devices that use the 2.4 GHz range.
  • BThe standard enables APs to switch channels when they encounter any interference in the 5.0 GHz range.
  • CThe standard ensures that 802.11n devices do not interface with radar in the 5 GHz frequency range.
  • DThe standard enables 802.11g and 802.11n devices to switch channels when interference causes the SNR to drop below the minimum level.

How the community answered

(21 responses)
  • A
    5% (1)
  • B
    86% (18)
  • D
    10% (2)

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