Welcome to the Network Infrastructure course which will prepare you for working with computer networks as a Network Administrator or Cybersecurity specialist. The information you learn in this class will also help you manage and troubleshoot your home network and routing devices. In this course you will learn about the OSI model for networks, how to install and configure network components such as NICs and routers, about Network Protocols, IP Routing, and how to install and manage services such as , DNS and DHCP. In addition, this class will help prepare for basic networking certifications such as Network+ or the Cisco CCNA.
Course Introduction
1 – Networking Basics and the OSI Model
2 – Physical Layer (Layer 1): Network Cables and Hardware
3 – Data Link Layer (Layer 2): Ethernet & Network Interface Cards
4 – Network Layer (Layer 3): Internet Protocol
- Lecture Notes (PDF file with information I present during lectures in face-to-face classes)
- Introduction to the Network Layer and History of IP (Video)
- Internet Engineering Task Force – who is in control of IP (Video)
- Overview of the IP Protocol, Netmasks, Routers, and DNS (Video)
- Network Layer Process Overview (Video)
- IP Address Basics (Video)
- Special IP Addresses (Video)
- IP Packet Basics (Video)
- Netmask Basics (Video)
- Netmask Process (Video)
- Netmask CIDR Notation (Video)
- Default Router or Default Gateway (Video)