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CWNA-106 · Question #67

ABC Hospital is planning a Wi-Fi infrastructure upgrade where the 802.11b/g APs (HR/DSSS and ERP) would be replaced with new dual-radio 802.11n/802.11ac (HT and VHT) APs. ABC wants to minimize the…

The correct answer is D. The existing WLAN plan, including the AP locations, may not provide the benefits seen in HT and. See the full explanation below for the reasoning.

Question

ABC Hospital is planning a Wi-Fi infrastructure upgrade where the 802.11b/g APs (HR/DSSS and ERP) would be replaced with new dual-radio 802.11n/802.11ac (HT and VHT) APs. ABC wants to minimize the time and cost associated with performing a new site survey, so they will be mounting all of the new APs in the same locations and with the same cable drops as the existing APs. What is one performance drawback with this deployment method?

Options

  • AMultipath will increase, causing excessive layer-2 retransmissions. The retransmissions will cause
  • BIncreased receiver sensitivity on the VHT APs will cause them to continually change channels to
  • CIf the existing UTP cabling is not Category 3 or better, the total Ethernet backhaul for each AP will
  • DThe existing WLAN plan, including the AP locations, may not provide the benefits seen in HT and

How the community answered

(26 responses)
  • A
    4% (1)
  • B
    8% (2)
  • C
    4% (1)
  • D
    85% (22)

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