Which of the following tools is used to detect wireless LANs using the 802.11a/b/g/n WLAN standards on a
linux platform?

A.
Kismet

B.
Nessus

C.
Netstumbler

D.
Abel

Explanation:
Kismet is a network detector, packet sniffer, and intrusion detection system for 802.11 wireless LANs. Kismet
will work with any wireless card which supports raw monitoring mode, and can sniff 802.11a, 802.11b, 802.11g,
and 802.11n traffic. The program runs under Linux, FreeBSD, NetBSD, OpenBSD, and Mac OS X.
https://en.wikipedia.org/wiki/Kismet_(software)