Computer Networking Courses in Terminal
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.
LAN Labs
NewBuild, 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.
Certificate on completion
- 35
- 35
The OSI Model
NewHow 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.
Certificate on completion
- 32
- 32
IP Addressing and Subnetting
NewMaster 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.
Certificate on completion
- 46
- 46
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.
Certificate on completion
- 47
- 47
- 141
Frequently asked questions
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