Which of the following tools is a Windows-based commercial wireless LAN analyzer for IEEE 802.11b and supports all high level protocols such as TCP/IP, NetBEUI, and IPX?

John the Ripper is an open-source password auditing and cracking tool, not a wireless LAN protocol analyzer.

Cheops-ng is a network management and topology discovery tool used to map network devices, not a wireless LAN protocol analyzer.

AiroPeek, developed by WildPackets (later renamed OmniPeek), was purpose-built as a Windows wireless LAN analyzer supporting the IEEE 802.11b standard with full protocol decode capabilities for TCP/IP, NetBEUI, IPX, and other upper-layer protocols. It allowed network administrators and security professionals to capture and analyze 802.11b wireless traffic in detail. None of the other listed tools are wireless LAN analyzers.

Sam Spade is a Windows-based network query and investigation tool used for DNS lookups, WHOIS, and traceroutes, not a wireless LAN packet analyzer.