Computer Networking Full Course for Beginners: Build a Real Network

Learn computer networking from zero in about an hour, by building a real network for Byte Café, a small café that opens on Monday. No experience needed.
Ten modules follow the order university courses and Network+ / CCNA-style training use: what a network is, layers and encapsulation, cables, switches and MAC addresses, IP addressing with DHCP and NAT, routing and BGP, ports, TCP and UDP, DNS and the web, Wi-Fi, network security, and troubleshooting. Each module ends with a command you can try on your own computer and a checkpoint quiz, and the course finishes with a 5-question final exam.
Everything in this video (script, voice, animation and examples) is original My CS content. Addresses shown are documentation or private examples.

▶ Full course: Computer Networking Crash Course: https://youtu.be/EiBuTzXZ2KM
▶ Also: CompTIA Security+ Crash Course: https://youtu.be/tnB3Avqn470

Chapters
0:00 Intro
1:17 What Is a Network?
7:04 Layers & Encapsulation
12:57 Cables, Switches & MAC
18:38 IP Addresses, DHCP & NAT
24:28 Routing
30:21 Ports, TCP & UDP
35:58 DNS & the Web
41:43 Wi-Fi & Wireless
47:46 Securing the Network
53:31 Troubleshooting
58:51 Final Exam
1:01:15 Recap & Next Steps

Sources
- https://engineering.fb.com/2021/10/05/networking-traffic/outage-details/
- https://blog.cloudflare.com/october-2021-facebook-outage/
- https://www2.telegeography.com/submarine-cable-faqs-frequently-asked-questions
- https://resources.telegeography.com/2023-mythbusting-part-3
- https://home.cern/science/computing/the-birth-of-the-web/short-history-web/
- https://en.wikipedia.org/wiki/Autonomous_system_(Internet)
- https://www.bigdatacloud.com/insights/as-rank
- https://www.rfc-editor.org/rfc/rfc894
- https://www.rfc-editor.org/rfc/rfc791
- https://www.rfc-editor.org/rfc/rfc9293
- https://www.rfc-editor.org/rfc/rfc1122
- https://www.iso.org/standard/20269.html
- https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/netsh-interface
- https://www.rfc-editor.org/rfc/rfc826
- https://standards.ieee.org/products-programs/regauth/
- https://en.wikipedia.org/wiki/Category_6_cable
- https://www.rfc-editor.org/rfc/rfc1918
- https://www.rfc-editor.org/rfc/rfc2131
- https://www.rfc-editor.org/rfc/rfc2132
- https://www.rfc-editor.org/rfc/rfc3927
- https://www.rfc-editor.org/rfc/rfc3022
- https://www.rfc-editor.org/rfc/rfc8200
- https://www.arin.net/vault/announcements/20110203/
- https://engineering.fb.com/2021/10/04/networking-traffic/outage/
- https://www.rfc-editor.org/rfc/rfc4271
- https://www.rfc-editor.org/rfc/rfc2328
- https://www.rfc-editor.org/rfc/rfc768
- https://www.rfc-editor.org/rfc/rfc5681
- https://www.rfc-editor.org/rfc/rfc9000
- https://www.rfc-editor.org/rfc/rfc9114
- https://www.rfc-editor.org/rfc/rfc9438
- https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
- https://www.rfc-editor.org/rfc/rfc1034
- https://www.rfc-editor.org/rfc/rfc9110.html
- https://www.rfc-editor.org/rfc/rfc9111.html
- https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/Caching
- https://www.cloudflare.com/learning/cdn/what-is-a-cdn/
- https://www.rfc-editor.org/rfc/rfc2606
- https://www.wi-fi.org/discover-wi-fi/wi-fi-certified-7
- https://www.wi-fi.org/discover-wi-fi/wi-fi-certified-6
- https://www.wi-fi.org/discover-wi-fi/security
- https://www.ieee802.org/11/Reports/802.11_Timelines.htm
- https://www.eweek.com/security/next-generation-wpa3-wifi-security-standard-launches/
- https://www.cisco.com/c/en/us/products/wireless/what-is-wifi-6-vs-wifi-6e.html
- https://ssd.eff.org/module/vpn
- https://www.gov.uk/government/news/new-laws-to-protect-consumers-from-cyber-criminals-come-into-force-in-the-uk
- https://www.nsa.gov/Press-Room/Press-Releases-Statements/Press-Release-View/Article/3304674/nsa-releases-best-practices-for-securing-your-home-network/
- https://documentation.extremenetworks.com/exos_commands_22.2/_Common/Glossary/g_tagged_vlan.shtml
- https://learn.microsoft.com/windows-server/administration/windows-commands/tracert
- https://learn.microsoft.com/en-au/troubleshoot/windows-server/networking/trace-route-troubleshoot-tcp-ip-problems
- https://www.cisco.com/c/en/us/support/docs/ip/ip-routed-protocols/22826-traceroute.html
- https://www.rfc-editor.org/rfc/rfc792

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