previous (01): Let's examine three network traffic dump files (...)

[02] Examine the files sample_1.pcap, sample_2.pcap and sample_3.pcap using ethereal. Use the following commands:

$ ethereal -r sample_1.pcap $ ethereal -r sample_2.pcap $ ethereal -r sample_3.pcap

For the time being, just look through the file contents.

next (03): Pay special attention to the file (...)

contents