The helpdesk is reporting that many users are reporting slow wireless connections in one of the office buildings. You lo

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The helpdesk is reporting that many users are reporting slow wireless connections in one of the office buildings. You look at the CleanAir statistics and do not see any interferers, but you see very high 2.4-GHz channel utilization from the Wi-Fi devices. WCS is reporting the following mix of 802.11 chipsets in the building: 10 percent 802.11b, 75 percent 802.11g and 15 percent 802.11a. You do a survey and see that you have a very dense deployment of APs and a lot of co-channel interference. Which two steps would help lower your channel utilization in this area? (Choose two.)

A. Raise the power on the 2.4-GHz radios.
B. Lower the power on the 2.4-GHz radios.
C. Lower the DTIM.
D. Raise the DTIM.
E. Disable 1-, 2-, 5.5-, 6-, and 9-Mb data rates.
F. Enable 1-, 2-, 5.5-, 6-, and 9-Mb data rates.