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PW0-100 Wireless LAN Administration, Certified Wireless Network Administrator (CWNA) Questions 286–290 (page: 59)

Updated On: 10-Feb-2026

What component is concatenated with the WEP secret key to form a WEP key?

  1. Plain text
  2. IV
  3. PRNG
  4. ICV
  5. Key stream

Answer(s): B



What is an appropriate use of an IEEE 802.11b wireless LAN?

  1. Large peer-to-peer network that requires high throughput
  2. Use with high-demand application servers
  3. Last Mile connectivity to compete with Telco & Cable providers
  4. Streaming video applications to the desktop

Answer(s): C

Explanation:

See CWNA Official Study Guide, 3rd Edition, Page 11 (Last Mile Data Delivery - Wireless ISP)



How many 3.4 GHz ISM band DSSS channels are available for use in the United States according to the FCC?

  1. 1
  2. 11
  3. 12
  4. 14

Answer(s): B



A LOSS of 3 dB will yield what power ratio?

  1. 1:3
  2. 1:10
  3. 2:1
  4. 1:2

Answer(s): D

Explanation:

Loss of 3 dB results in the halving of output power.



Assume that you are performing a site survey. The plan is to erect an outside tower on the ground for a 2.4 GHz wireless LAN antenna. Which of the following questions should you consider asking? Select two.

  1. Are nearby buildings in my line-of-sight?
  2. Are there cordless phones in use in nearby buildings?
  3. Is grounding available?
  4. How heavy is the antenna?
  5. Are there any nearby radio stations using 2.4 GHz frequencies?

Answer(s): A,E

Explanation:

For A see CWNA Official Study Guide, 3rd Edition, page 515. For E see CWNA Official Study Guide, 3rd Edition, page 488.



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