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The correct answer is B.

OBJ-1.4: Nmap sends specially crafted packets to the target host(s) and then analyzes the responses to determine the open ports and services running on those hosts. Also, nmap can determine the versions of the applications being used on those ports and services. Nmap is a command-line tool for use on Linux, Windows, and macOS systems. The netstat (network statistics) tool is a command-line utility that displays network connections for incoming and outgoing TCP packets, routing tables, and some network interface and network protocol statistics. Still, it cannot identify open ports and services on a host with their version numbers. The ping tool is used to query another computer on a network to determine whether there is a valid connection. Wireshark is an open-source packet analyzer used for network troubleshooting, analysis, software and communications protocol development, and education.

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