This is a Windows-based tool that is used for the detection of wireless LANs using the IEEE 802.11a, 802.11b, and 802.11g standards. The main features of these tools are as follows: - It displays…

THC-Scan is a war dialing tool used to identify modems and PBX systems via telephone lines and has no wireless LAN detection capability.

Kismet is a wireless network detector and packet sniffer that targets Linux and Unix systems by default and does not operate natively as a Windows application in the way described.

Absinthe is a blind SQL injection exploitation framework used against web application databases and is entirely unrelated to wireless network discovery.

NetStumbler (Network Stumbler) is a native Windows application specifically designed to detect IEEE 802.11a, 802.11b, and 802.11g wireless networks by sending active probe requests and listening for beacon frames. It displays SSID, BSSID (MAC address), channel, encryption status, and signal strength in real time. Its Windows compatibility and feature set exactly match the description provided, and it is a standard tool referenced in CEH and wireless security curricula.

This option is a description of NetStumbler's functionality - making graphs and alarms on 802.11 signal strength data - not a separate tool name, making it an invalid choice.