CTSS Academy

CCNA Tutorial: Learn Networking Basics

In this episode, we explore CCNA (Cisco Certified Network Associate) — one of the most in-demand certifications in the networking world.

You’ll learn the fundamentals of networking, including OSI models, IP addressing, VLANs, routing protocols (EIGRP, OSPF, RIP), subnetting, and network security.

We’ll break down:

  • What CCNA is and why it matters

  • Core exam topics and structure

  • Types of CCNA certifications

  • TCP/IP layers and packet delivery

  • LAN, WAN, and WLAN differences

  • Network segmentation and VLANs

  • Wireless security (WEP, WPA, WPA2)

  • Real-world applications of CCNA knowledge

Whether you’re just starting your networking journey or preparing for the Cisco 200-301 CCNA exam, this episode will give you a complete foundation to understand how the Internet and computer networks really work.

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