Given:
XYZ Hospital plans to improve the security and performance of their Voice over Wi-Fi implementation and will be upgrading to 802.11n phones with 802.1X/EAP
authentication. XYZ would like to support fast secure roaming for the phones and will require the ability to troubleshoot reassociations that are delayed or dropped
during inter-channel roaming.
What portable solution would be recommended for XYZ to troubleshoot roaming problems?

A.
WIPS sensor software installed on a laptop computer

B.
Spectrum analyzer software installed on a laptop computer

C.
An autonomous AP mounted on a mobile cart and configured to operate in monitor mode

D.
Laptop-based protocol analyzer with multiple 802.11n adapters