Computer & Networking
A Cisco-style networking fundamentals path: computer hardware and operating system basics, the OSI and TCP/IP models, IP addressing and subnetting, routing and switching, and practical network security and troubleshooting.
Course Content
Core hardware components and how operating systems manage them.
- Core Hardware Components (CPU, RAM, Storage, Motherboard) 18 min
- How the Operating System Manages Hardware 18 min
- Binary, Bits & Bytes — How Computers Represent Data 16 min
- The Boot Process & Common OS Types 16 min
- Computer Hardware & Operating Systems Basics Quiz Quiz · 50% to pass
How data actually travels across a network, layer by layer.
- What Is a Network? LANs, WANs & Topologies 18 min
- The OSI Model — 7 Layers Explained 24 min
- The TCP/IP Model & How It Maps to OSI 18 min
- Protocols You Already Use: HTTP, DNS, DHCP 20 min
- Networking Fundamentals Quiz Quiz · 50% to pass
IPv4 addressing, subnet masks, and dividing networks efficiently.
- IPv4 Addresses & Address Classes 20 min
- Subnet Masks & CIDR Notation 22 min
- Subnetting in Practice — Dividing a Network 24 min
- Public vs Private IP Addresses & NAT 18 min
- IP Addressing & Subnetting Quiz Quiz · 50% to pass
How routers and switches move traffic, and the devices that make up a real network.
- Switches & How Layer 2 Forwarding Works 20 min
- Routers & How Layer 3 Forwarding Works 20 min
- Static vs Dynamic Routing 16 min
- VLANs — Segmenting a Network Logically 18 min
- Routing, Switching & Network Devices Quiz Quiz · 50% to pass
Firewalls, common attacks, and a practical method for diagnosing network problems.
- Firewalls & Access Control Basics 20 min
- Common Network Attacks (and Basic Defenses) 20 min
- Essential Troubleshooting Commands (ping, traceroute, ipconfig) 20 min
- A Practical Troubleshooting Method 16 min
- Network Security & Troubleshooting Quiz Quiz · 50% to pass
Computer & Networking Certification Exam
Final Exam · 80% to pass · 30 min timer
Locked
8 weeks
5 modules
20 lessons