19.9. Answers to Review Questions

  1. C. APs operate in half duplex like a hub.

  2. C. Higher frequencies travel shorter distances with higher data rates.

  3. D. The FCC controls the frequencies that can be used.

  4. B. 802.11b operates at 11Mbps in the 2.4 range.

  5. C. 802.11g operates at 54Mbps in the 2.4 range.

  6. B. An isotropic antenna cannot be made and is perfect.

  7. B. A Basic service area is the coverage area of a single AP.

  8. A. WLSE is used to control autonomous APs.

  9. B. WLCs are used to control lightweight APs.

  10. B. WCS is used to control WLCs and APs in the lightweight solution.

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