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CWNA-108 · Question #136

You support a WLAN using dual-band 802.11ac three stream access points. All access points have both the 2.4 GHz and 5 GHz radios enabled and use 40 MHz channels in 2.4 GHz. A manager is concerned…

The correct answer is C. Due to 802.11 network operations and dynamic rates used by devices on the network, the two. https://blogs.cisco.com/wireless/deploying-testing-and-tuning-802-11ac

WLAN Design and Troubleshooting

Question

You support a WLAN using dual-band 802.11ac three stream access points. All access points have both the 2.4 GHz and 5 GHz radios enabled and use 40 MHz channels in 2.4 GHz. A manager is concerned about the fact that each access point is connected using a 1 Gbps Ethernet link. He is concerned that the Ethernet link will not be able to handle the load from the wireless radios. What do you tell him?

Options

  • AHis concern is valid and the company should upgrade all Ethernet link to 10 Gbps immediately.
  • BHis concern is valid and the company should immediately plan to run a second 1 Gbps Ethernet
  • CDue to 802.11 network operations and dynamic rates used by devices on the network, the two
  • DHis concern is invalid because the AP will compress all data before transmitting it onto the

How the community answered

(41 responses)
  • A
    12% (5)
  • B
    7% (3)
  • C
    78% (32)
  • D
    2% (1)

Explanation

https://blogs.cisco.com/wireless/deploying-testing-and-tuning-802-11ac

Topics

#802.11ac throughput#Ethernet uplink#dual-band#dynamic rate selection

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