Which tool would be used to collect wireless packet data?

NetStumbler (Network Stumbler) is purpose-built to detect and collect data from 802.11a/b/g wireless networks, capturing details such as SSIDs, BSSID/MAC addresses, signal strength, noise level, and encryption type. Among the listed options, it is the only tool designed specifically for wireless network data collection.

John the Ripper is a password auditing and cracking tool that performs dictionary and brute-force attacks against password hashes, with no wireless packet capture functionality.

Nessus is a vulnerability scanner that probes networked hosts for known security weaknesses and misconfigurations, not a wireless traffic collection utility.

Netcat is a TCP/UDP networking utility used for creating connections, transferring data, and port scanning over wired networks, and does not capture wireless frames.