Computer Networking Fundamentals Level One

Computer Networking Fundamentals – Level One Course Outline

1. Introduction to Networking

• What is a computer network?
• Types of networks: LAN, WAN, MAN, PAN
• Network topologies: Star, Bus, Ring, Mesh, Hybrid
• Importance and applications of computer networks

2. Networking Models & Standards

• OSI Model: 7 layers explained (Physical, Data Link, Network, Transport, Session, Presentation, Application)
• TCP/IP Model overview
• Difference between OSI and TCP/IP
• Network protocols and standards overview

3. Network Devices & Hardware

• Introduction to networking devices: routers, switches, hubs, modems, access points
• Network interface cards (NICs) and cables
• Wireless devices: Wi-Fi routers, wireless access points
• Introduction to IP phones and IoT devices

4. IP Addressing & Subnetting

• IPv4 addressing fundamentals
• IPv6 basics
• Public vs Private IP addresses
• Subnet masks and basic subnetting exercises
• Assigning IP addresses manually and via DHCP

5. Network Media & Cabling

• Wired networking: UTP, STP, fiber optics, coaxial cables
• Wireless networking: Wi-Fi standards (802.11a/b/g/n/ac/ax)
• Cable connectors and pinouts (RJ45, RJ11)
• Structured cabling basics

6. Basic Network Communication

• Understanding data packets and frames
• Encapsulation and de-encapsulation process
• How devices communicate: unicast, multicast, broadcast
• Introduction to MAC addresses and ARP

7. Network Protocols & Services

• TCP vs UDP: differences and use cases
• Common protocols: HTTP, HTTPS, FTP, SMTP, DNS, DHCP, ICMP, SSH
• Introduction to DNS resolution process
• Basics of NAT (Network Address Translation)

8. Wireless Networking Basics

• Wi-Fi standards and frequencies (2.4 GHz vs 5 GHz)
• SSID, authentication, and encryption (WEP, WPA, WPA2, WPA3)
• Basic wireless network setup and security tips
• Introduction to Wi-Fi troubleshooting

9. Network Troubleshooting Fundamentals

• Using basic command-line tools:
  • ping, traceroute / tracert
  • ipconfig / ifconfig / ip
  • nslookup, dig
• Identifying connectivity issues
• Common networking errors and solutions

10. Introduction to Network Security

• Basic concepts: firewalls, antivirus, and VPNs
• Importance of strong passwords and access control
• Awareness of common threats: malware, phishing, DoS attacks
• Safe browsing and security best practices

11. Introduction to Cloud & Remote Networking

• Basics of cloud computing and virtual networks
• Remote access methods: VPN, SSH, Remote Desktop
• Understanding client-server vs peer-to-peer communication

12. Practical Labs & Exercises

• Setting up a small LAN using switches and routers
• Configuring IP addresses manually
• Testing network connectivity with ping and traceroute
• Setting up a basic Wi-Fi network and securing it
• Basic troubleshooting scenarios

💡 Pro Tip: Hands-on practice is critical in networking. Using virtual labs (Packet Tracer, GNS3, or even real devices) helps beginners understand concepts faster.