Learn the fundamentals of computer networking and discover how the internet actually works — no prior experience required.

The internet is built on computer networks — and no matter what tech career you’re interested in, understanding networking basics is essential. This course covers the fundamentals of network devices, media, and protocols. You will observe data flowing through a network, configure devices to connect to networks, and learn how to use different network applications and protocols to accomplish networking tasks. The knowledge and skills you gain can give you a starting point for finding a rewarding career in technology — with no prior technical experience required.

Curriculum Chapters

  • 1. Communications in a Connected World
  • 2. Network Components, Types, and Connections
  • 3. Wireless and Mobile Networks
  • 4. Build a Home Network
  • 5. Communications Principles
  • 6. Network Media
  • 7. The Access Layer
  • 8. The Internet Protocol
  • 9. IPv4 and Network Segmentation
  • 10. IPv6 Addressing Formats and Rules
  • 11. Dynamic Addressing with DHCP
  • 12. Gateways to Other Networks
  • 13. The ARP Process
  • 14. Routing Between Networks
  • 15. TCP and UDP
  • 16. Application Layer Services
  • 17. Network Testing Utilities

Skills You Will Learn

Identify types of networks and how they operate. Configure devices and connect them to a network. Understand how data is transmitted using protocols. Build and troubleshoot a basic home wireless network. Explain IPv4 and IPv6 addressing concepts. Use network testing utilities to verify connectivity.

Technologies Used

Cisco Packet Tracer
Network Media (Copper / Fiber / Wireless)
Network Reference Models (OSI / TCP-IP)

Course Details

Course Type: Free self-paced
Time: 22 Hours
Modules: 17
Labs: Interactive Simulations (Cisco Packet Tracer)

Prerequisites

None.

Certification & Career

Career and Certification alignment: This course is part of the Cisco Networking learning pathway and contributes foundational knowledge for the Network Technician and Junior Cybersecurity Analyst career paths. The course aligns with the Cisco Certified Support Technician (CCST) Networking and CCST Cybersecurity certifications.

Achievements & Badges

Upon completion, earn a Cisco Networking Academy digital badge. Share your verified achievement on LinkedIn, your CV, or professional profile.

What Cisco verifies: Cisco verifies the earner of this badge successfully completed the Networking Basics course and achieved this student level credential. Earner has knowledge of the types of networks, how they work, how devices send and receive data, the types of network cabling, how IP addresses find information on the internet, how transport and application layers operate, and has practiced building a home wireless network.

Ready to Start This Course?

This course is delivered through Cisco Networking Academy — the official global learning platform. To enroll, click the button and you will be taken to the official course page on netacad.com. If you already have a Cisco Networking Academy account, simply log in and click Get Started. If you are new to the platform, creating a free account takes less than a minute. Enrollment is completely free.

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