How does packet capture work?

Related questions

1. What is the difference between Wireshark and tcpdump?
2. What is the difference between an intrusion detection system and an intrusion prevention system?
3. What is PCAP Wireshark?
4. Does Tcpdump work on Windows?
5. What devices can Wireshark use to capture packets?
6. What is tcpdump used for?
7. What are the 3 parts of a packet?
8. Does Wireshark install require a reboot?
9. What does packet sniffer do?
10. Why are packets used?

Tags

1. #packets
2. #destination
3. #installed
4. #reach
5. #several
6. #packet
7. #sniffer
8. #switched
9. #network
10. #their
11. #networks
12. #these
13. #traffic
14. #broken
15. #intended
16. #reassembled
17. #captures
18. #intercepts
19. #transmitted