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CompTIA DHTI+ Practice Questions

Category - DHTI

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Which of the following statements regarding the 802.11n standard is not true?
  1. It can handle multiple signals at data rates up to 100 Mbps.
  2. It can operate either on the 2.4 GHz or the 5 GHz bands or both.
  3. It is backwards-compatible with the 802.11b and 802.11g standards.
  4. It operates only on the 2.4 GHz band.
Explanation
Answer - D - The statement that is not true regarding 802.11n is that it operates only on the 2.4 GHz band.

Key Takeaway: 802.11n is the newest of the 802.11 standards that uses the MIMO or multiple inputs/multiple outputs technology. It works with multiple radios and antennas to handle multiple signals up to 100 Mbps data speeds. It operates on either the 2.4 GHz or the 5 GHz bands or both. It is backwards-compatible with the 802.11b and 802.11g standards. However, multiple signals can cause interference with the older devices.
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