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.
Topics
Syllabus
8 chapters35 lessons35 challengesMeet the Lab
4 lessons4Addresses on the LAN
5 lessons5Masks Matter
4 lessons4Routers and Gateways
5 lessons5Troubleshooting I
4 lessons4Troubleshooting II
4 lessons4Growing the Office
5 lessons5Capstone - Fix the Branch
4 lessons4More like this
IP Addressing and Subnetting
Master 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
The OSI Model
How 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
Graphs - Data Structures Series #9
In this course, you will learn about the Graph data structure, create an undirected graph from zero in your preferred language, and practice coding challenges with it!
Certificate on completion
- 14
- 12
Linked List - Data Structures Series #5
In this course, you will learn about the Linked List data structure, create a Linked List from zero using your preferred language, and practice coding challenges with it!
Certificate on completion
- 14
- 6
- 1
Depth-First Search - Graph Algorithms
Master Depth-First Search, a fundamental way to explore a graph. Build the adjacency lookup, write an iterative DFS in your language of choice, analyze its O(V + E) complexity, and use it to count and measure connected components.
Certificate on completion
- 9
- 3
- 1
- 54
Frequently asked questions
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