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The correct answer is B.

OBJ-3.2: The tcpdump command is a command-line packet capture utility for Linux. The tcpdump command uses the -w option to write the capture output results to a file. A .pcap extension normally identifies packet capture files. The tcpdump command uses the -r option to read the contents of a packet capture file. The tcpdump command uses the -n option to show network address information in numeric format (does not resolve hostnames). The tcpdump command uses the -e option to include the data link (Ethernet) header when performing a packet capture.

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