Question: which network monitoring tool saves captured network frames in pcap files
[{'answer': 'libpcap', 'provenance': [{'wikipedia_id': '2475190', 'title': 'Pcap', 'start_paragraph_id': 1, 'start_character': 295, 'end_paragraph_id': 1, 'end_character': 302, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'WinPcap', 'provenance': [{'wikipedia_id': '2475190', 'title': 'Pcap', 'start_paragraph_id': 1, 'start_character': 360, 'end_paragraph_id': 1, 'end_character': 367, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2475190', 'title': 'Pcap', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 275, 'bleu_score': 0.672218649367195, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13868476780757388081}, 'section': 'Section::::Abstract.'}]}]