Which option describes the likely cause of this behavior?

You are the network administrator for ACME corporation. Your organization has deployed a single Cisco 5500 Series Wireless Controller with 100 Cisco Aironet 3500 Series Aps. A new IT member is worried that most of these Aps are working at a power level3 on the 5GHz radio specially. As this power level setting is causing issues in your wireless network.

Which option describes the likely cause of this behavior?
A . The WLC has been recently rebooted, which causes the TPC algorithm to set power level 3 on all APs for 90 seconds.
B . The controller TPC algorithm seems to have a problem. It might have been set to work in TPCv2 mode instead of TPCv1.
C . The WLC is misconfigured because the static power of level 3 has been set for all the APs under TPC settings.
D . Cisco 7925 wireless IP Phones are in use and the DTPC feature is enabled on the 5 GHz radio.

View Answer

Answer: D

Explanation:

From:

Tx Power

Num Of Supported Power Levels …………. 5

Tx Power Level 1…………………….. 18 dBm

Tx Power Level 2…………………….. 15 dBm

Tx Power Level 3……………………… 12 dBm

Tx Power Level 4…………………….. 9 dBm

Tx Power Level 5…………………….. 6 dBm

Power level on WLC | Wireless IP Voice and Video | Cisco Support Community https://supportforums.cisco.com/discussion/11635606/power-level-wlc