Computer Networking Courses
Learn computer networking hands-on with Coddy: the OSI model, IP addressing and subnetting, DNS, TCP and UDP, HTTP and TLS, all practiced from a real terminal.
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4 resultsThe OSI Model
PopularHow networks really talk, one layer at a time: the seven OSI layers, MACs and ARP, IP and routing, TCP, UDP and ports, encapsulation, and the full journey of a packet, with hands-on terminal walkthroughs.
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IP Addressing and Subnetting
PopularMaster IP addresses from the bits up: binary, IPv4 anatomy, subnet masks, CIDR, subnetting drills, private ranges, network planning with VLSM, and a first look at IPv6. Practice everything in the terminal.
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LAN Labs
Build, address and troubleshoot small networks in a terminal lab: hosts, switches and routers, cables, IPv4 addresses and masks, ARP, gateways, routing tables, and the classic faults that break real LANs.
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Networking with the Terminal
Learn how machines actually talk to each other, from the command line. Addresses and DNS, ports and sockets, whether a host is reachable, and HTTP by hand with curl: GET, POST, headers, status codes and HTTPS. Built for IT, support and backend work.
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Frequently asked questions
What is Computer Networking Courses?
Learn computer networking hands-on with Coddy: the OSI model, IP addressing and subnetting, DNS, TCP and UDP, HTTP and TLS, all practiced from a real terminal.
Are the Computer Networking Courses courses free?
Yes. Every course is free to start and runs in your browser, no downloads needed.
How long do Computer Networking Courses courses take?
Each lesson takes 5-15 minutes; full courses range from a few hours to a few days of practice depending on depth.
