Learn to configure, verify and troubleshoot networks on Cisco equipment, organised by the six domains of the CCNA exam.
Built on the Network Fundamentals course. Configurations are based on Cisco documentation and labelled where they haven't been run on a lab device.
The Cisco Certified Network Associate exam (200-301) is a single 120-minute test. Questions are mostly multiple choice and drag-and-drop, with some simulation tasks on a virtual Cisco device. The domain weights below come from Cisco's published blueprint; check Cisco's exam page for the current version, price and booking.
| Domain | Weight | Weight bar |
|---|---|---|
| 1. Network Fundamentals | 20% | |
| 2. Network Access | 20% | |
| 3. IP Connectivity | 25% | |
| 4. IP Services | 10% | |
| 5. Security Fundamentals | 15% | |
| 6. Automation and Programmability | 10% |
Know the fundamentals first
CCNA assumes you know how networks work: addressing, ARP, TCP/UDP, DNS, DHCP and packet flow. The Network Fundamentals course covers all of it.
Configure, don't just read
Every lesson shows real IOS commands. Type them into Cisco Packet Tracer (free with a Cisco Networking Academy account) or a lab emulator as you go.
Verify everything
The exam loves show commands. After each configuration, check it with the matching show command and make sure you understand every line of the output.
Subnet fast
Subnetting appears everywhere in the exam. Drill it until it takes seconds, with the subnetting practice tool.