CWNA Chapter 12

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1. What usually determines the rules of when a client station decides to roam?
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2. What causes client station radios to shift down to lower bandwidth as it moves away from an access point?
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3. What problems do lightning present to WLAN?
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4. What type of interference is caused by destructive multipath?
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5. What is the time it takes to deliver VoIP packet from the source device to the destination device?
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6. Why does a building with concrete walls need more access points than a building with dry wall?
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7. What part of WLAN makes the decision on whether or not to roam between access points?
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8. What is the most traditional channel pattern in the United States and Canada?
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9. What mistake is often made when deploying access points?
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10. What can cause hidden node problem?
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11. Which of these can cause a roaming problem?
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12. Which of these weather conditions is a concern when deploying a long-distance point-to-point bridge link?
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13. What is an alternative WLAN channel design that has multiple access points all on the same channel and with the same BSSID?
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14. Which of these would NOT affect range in an 802.11 WLAN?
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15. What can Oversized Coverage Cells cause?
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16. What can cause Layer 2 retransmissions and is often overlooked?
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17. What can Air Stratification cause?
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18. What is the method by which client stations move between RF coverage cells in a seamless manner?
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19. What interference occurs because all the Access Points are on the same channel called?
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20. What is NOT a cause of layer 2 retransmissions?
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21. Different regions such as Europe use a different form of channel reuse pattern, what is it?
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22. What should be done to prevent damage to equipment from lightning?
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23. How should wind interference be dealt with?
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24. Channel Reuse Design is used to avoid or prevent what kinds of interference?
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25. What is a common mistake made by many businesses when first deploying a WLAN?
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26. Which of these would NOT effect range in an 802.11 WLAN?
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27. What kind of interference occupies a smaller and finite frequency space?
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28. What term do Wi-Fi vendors use to explain degrading performance due to overlapping frequency space?
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29. What problem occurs when one client station's transmissions are heard by the access point but not by any of the other client stations in the BSS?
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30. What is the maximum number of overlapping channels that can be deployed in the 2.4GHz ISM band?
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31. Air Stratification is another word for what that causes a change in signal?
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32. Which of these is NOT a way to fix a hidden node problem?
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33. UV rays or exposure to the sun can damage what from too much exposure on a roof?
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34. Which of these is NOT one of the negative effects of layer 2 retransmissions?
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35. Which of the following do NOT cause roaming problems?
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36. In the 5GHz frequency bands there are 24 channels that may be used in a channel reuse pattern, but only how many are available for reuse in the United States?
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37. What form of interference is typically associated with FHSS communications?
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38. What type of interference has the capability to disrupt the communications of an entire frequency band?
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39. As defined by the 802.11k amendment, what is used to enhance roaming performance?
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40. What is each layer of multiple APs on a single channel using the same BSSID known as?
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What usually determines the rules of when a client station decides to...
What causes client station radios to shift down to lower bandwidth as...
What problems do lightning present to WLAN?
What type of interference is caused by destructive multipath?
What is the time it takes to deliver VoIP packet from the source...
Why does a building with concrete walls need more access points than a...
What part of WLAN makes the decision on whether or not to roam between...
What is the most traditional channel pattern in the United States and...
What mistake is often made when deploying access points?
What can cause hidden node problem?
Which of these can cause a roaming problem?
Which of these weather conditions is a concern when deploying a...
What is an alternative WLAN channel design that has multiple access...
Which of these would NOT affect range in an 802.11 WLAN?
What can Oversized Coverage Cells cause?
What can cause Layer 2 retransmissions and is often overlooked?
What can Air Stratification cause?
What is the method by which client stations move between RF coverage...
What interference occurs because all the Access Points are on the same...
What is NOT a cause of layer 2 retransmissions?
Different regions such as Europe use a different form of channel reuse...
What should be done to prevent damage to equipment from lightning?
How should wind interference be dealt with?
Channel Reuse Design is used to avoid or prevent what kinds of...
What is a common mistake made by many businesses when first deploying...
Which of these would NOT effect range in an 802.11 WLAN?
What kind of interference occupies a smaller and finite frequency...
What term do Wi-Fi vendors use to explain degrading performance due to...
What problem occurs when one client station's transmissions are...
What is the maximum number of overlapping channels that can be...
Air Stratification is another word for what that causes a change in...
Which of these is NOT a way to fix a hidden node problem?
UV rays or exposure to the sun can damage what from too much exposure...
Which of these is NOT one of the negative effects of layer 2...
Which of the following do NOT cause roaming problems?
In the 5GHz frequency bands there are 24 channels that may be used in...
What form of interference is typically associated with FHSS...
What type of interference has the capability to disrupt the...
As defined by the 802.11k amendment, what is used to enhance roaming...
What is each layer of multiple APs on a single channel using the same...
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