CCNA Network Infrastructure and Connectivity • Set 12
CCNA Network Infrastructure and Connectivity Practice Test 12 — 15 questions with explanations. Free, no signup.
A network administrator is troubleshooting a wireless connectivity issue in a large office. Users on the 5 GHz band report intermittent disconnections and slow performance, while 2.4 GHz clients are unaffected. The office uses a Cisco 9800 WLC with APs that support 802.11ac Wave 2. The administrator checks the WLC's RF profile and notices a high number of channel utilization reports on channel 36. What is the most likely cause of the problem?
WLC# show ap radio summary AP Name Slot Radio Channel Power Clients Channel Util Noise Interference AP-1 0 802.11b 1 17 12 15% -95 10% AP-1 1 802.11a 36 15 8 85% -87 70% AP-2 0 802.11b 6 17 10 12% -94 8% AP-2 1 802.11a 36 15 9 82% -88 68% AP-3 0 802.11b 11 17 14 14% -96 9% AP-3 1 802.11a 40 15 7 30% -90 15% AP-4 0 802.11b 1 17 11 13% -95 10% AP-4 1 802.11a 36 15 8 80% -87 72%