300-425 · Question #249
A hospital network has a Cisco WLC running version 7.5.110 code. The WLC supports thousands of handheld devices. Users of the handheld devices report battery life issues when they connect to the wirel
The correct answer is B. 802.11v. IEEE 802.11v (Wireless Network Management) introduces a WNM Sleep Mode that lets the AP buffer traffic and schedule wake-up times, reducing how often a client must listen for beacons. This power-save enhancement significantly extends battery life on handheld devices-feature suppo
Question
A hospital network has a Cisco WLC running version 7.5.110 code. The WLC supports thousands of handheld devices. Users of the handheld devices report battery life issues when they connect to the wireless network. An IT consulting company is hired to resolve the issue. The company suggests that the WLC be upgraded to 8.1 or later to support new IEEE 802.11-2007 amendments. Which feature increases client battery life?
Options
- A802.11w
- B802.11v
- C802.11r
- D802.1x
How the community answered
(28 responses)- A4% (1)
- B93% (26)
- D4% (1)
Explanation
IEEE 802.11v (Wireless Network Management) introduces a WNM Sleep Mode that lets the AP buffer traffic and schedule wake-up times, reducing how often a client must listen for beacons. This power-save enhancement significantly extends battery life on handheld devices-feature support that begins with AireOS 8.1 and later.
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