Practice Quiz

CWNA Wireless Network Administrator - Question List

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56. Why should you disable the two lowest rates on an 802.11b/g access point?
  1. To avoid noise in a coverage cell
  2. To enable collision detection in a coverage cell
  3. To enable hidden nodes to hear stations at the other end of coverage cell
  4. To avoid co-channel interference in a coverage cell
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57. Which of the following can be done to fix the hidden node problem?
  1. Increase the power on the access point.
  2. Move the hidden node station within transmission range of the other stations.
  3. Decrease power on all client stations.
  4. Decrease power on the hidden node station.
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58. Which of the following is not a criterion for WEP implementation, as per the 802.11 standard?
  1. Exportable format
  2. Reasonably Strong security
  3. Self-Synchronizing feature
  4. Mandatory encryption
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59. Which of the following is a key rotation option implemented by various manufacturers for encryption key generation?
  1. Per-packet
  2. Per-user
  3. Per-broadcast
  4. Per-frame
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60. Which of the following is the level of encryption when using a WEP key with a 40-bit secret key concatenated with the initialization vector to form the WEP key?
  1. 24-bit
  2. 40-bit
  3. 64-bit
  4. 128-bit
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