Which troubleshooting step is the first you must take if you are using the bottom-up troubleshooting methodology?

Posted by: Pdfprep Category: 300-370 Tags: , ,

You recently deployed an 802.11ac wireless network that contains Cisco Unified Wireless IP Phones 7925G. Users report that the phones intermittently lose connectivity.

Which troubleshooting step is the first you must take if you are using the bottom-up troubleshooting methodology?
A . Review the Cisco WLC log files for authentication failures.
B . Use a packet sniffer to capture 802.22 frames.
C . Perform an RF site survey.
D . Compare the Cisco IOS version of the controller and the phones.

Answer: C