Free CCNA 200-301 Course: Network Fundamentals

Master CCNA exam tips and course overview to build a solid networking foundation, with insights on no simulations, question formats, timing, and remote proctored testing.

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Define a computer network as a digital system for sharing resources between computing devices via data links and media like twisted pair, fiber optic, or Wi-Fi.

Compare wired ethernet and wireless networking basics. Describe copper cat5e utp cables with RJ-45 connectors, network interface cards, and MAC addresses, and how Wi-Fi and Bluetooth enable file sharing.

Explore the evolution of ethernet cabling from thicknet and thinnet to utp and fiber, covering media types, mac addresses, network interface cards, and wireless connections.

Explore the client-server model, where servers provide services to clients over a network, with servers listening on port numbers for specific protocols, enabling web pages, file sharing, and distributed services.

Demonstrate how clients and servers interact in a packet tracer network, building a topology, configuring mac and ip addresses, enabling DHCP, and testing connectivity via ping and http/https.

Learn how repeaters, hubs, bridges, and switches differ in intelligence, mac addresses, and how routers route between networks and layer three switching, including wireless access points.

Explore common network devices including routers, switches, firewalls, and wireless LAN controllers, and how they interconnect, protect networks with firewall rules, and use IDS/IPS concepts.