Cisco Enterprise Wireless Networks: Assessing Existing Wireless LAN Controller

Section to Check Before Replacing Old APs with IEEE 802.11ac-capable APs

Question

A wireless network consultant must assess an existing wireless LAN controller.

Which section must the consultant check before replacing the old APs with APs that are IEEE 802.11ac-capable?

Answers

Explanations

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A.

When assessing an existing wireless LAN controller before replacing the old APs with APs that are IEEE 802.11ac-capable, the consultant must check the throughput capacity of the controller.

IEEE 802.11ac is a wireless networking standard that provides faster data transfer speeds and improved reliability compared to previous wireless standards. The standard uses wider channels, more spatial streams, and higher-order modulation to achieve faster data rates.

However, IEEE 802.11ac requires more bandwidth and higher throughput capacity from the wireless LAN controller to support the increased data transfer speeds. Therefore, it is important to ensure that the wireless LAN controller can support the throughput requirements of IEEE 802.11ac-capable APs before replacing the old APs.

The number of AP licenses and controller PSU are also important factors to consider when assessing an existing wireless LAN controller, but they are not directly related to the capability of the APs. The number of AP licenses determines how many APs can be supported by the controller, and the controller PSU ensures that the controller has enough power to operate.

The software version of the controller is also important to check, as it determines whether the controller can support IEEE 802.11ac-capable APs. However, it is assumed that the consultant would have already checked this before considering replacing the old APs with IEEE 802.11ac-capable APs.

In summary, the consultant must check the throughput capacity of the wireless LAN controller before replacing the old APs with APs that are IEEE 802.11ac-capable.