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PW0-100 Wireless LAN Administration, Certified Wireless Network Administrator (CWNA) Questions 126–130 (page: 27)

Updated On: 10-Feb-2026

After August 31, 2000, the FCC allows a minimum of how many channels with a 2.4 GHz FHSS system before repeating the pattern?

  1. 6
  2. 15
  3. 22
  4. 30

Answer(s): B



What link speeds does the IEEE 802.11 standard support?
(Select all that apply.)

  1. 1 Mbps
  2. 2 Mbps
  3. 5.5 Mbps
  4. 11 Mbps

Answer(s): A,B

Explanation:

According to the study guide, the IEEE 802.11 standard supports 1 & 2 Mbps link speeds. Thus the answer should A, B



Which of these are true regarding the IEEE 802.11a standard? Select all that apply.

  1. Supports speeds up to 54 Mbps.
  2. Supports speeds up to 22 Mbps.
  3. Operates in the 5 GHz UNI bands.
  4. Operates in the 2.4 GHz ISM band.
  5. Used OFDM modulation technology.
  6. Uses CCK modulation technology.

Answer(s): A,C,E



Whole in AD HOC mode, a wireless LAN network operates
using which function?

  1. PCP
  2. DCF
  3. CD-Poll
  4. DF-Poll

Answer(s): B

Explanation:

The answer is definitely B which is DCF. In PCF an AP is required for polling and in ad-hoc mode there is no AP.
DCF (Distributed Coordination Function).
PCF (Point Coordination Function)



When implementing dynamic rate shifting with a DSSS system, as the range increases, what happens to the speed of the transmission?

  1. The range will have no effect on the speed.
  2. As the range increases the speed decreases.
  3. As the range increases the speed increases.
  4. Dynamic rate selection can only be used with FHSS.

Answer(s): B



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