Victor works as a professional Ethical Hacker for SecureEnet Inc. He wants to scan the wireless network of the company. He uses a tool that is a free open-source utility for network exploration. The t

Nmap precisely matches every capability listed - it uses raw IP packets for host discovery, open port enumeration, service and version detection, OS fingerprinting, and identifying packet filters or firewalls. It is free and open-source, making it the definitive match for the described tool.

Kismet is a passive wireless network detector and packet sniffer focused on identifying wireless networks and clients; it does not actively scan hosts for open ports, services, or OS versions.

A generic sniffer only captures and analyzes existing network traffic passively and lacks the active host discovery, port scanning, and OS fingerprinting capabilities described.

Nessus is a commercial vulnerability scanner, not a free open-source raw-packet exploration utility, and its primary function is vulnerability assessment rather than general network mapping.