Network+ Certification Prep (FREE)

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Last Update	06/10/2026
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Module 1 — Networking Concepts

6Lessons ·
- Lesson 1 — Networking Fundamentals
  
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- Lesson 2 — OSI Model Deep Dive
  
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- Lesson 3 — TCP/IP Model & Encapsulation
  
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- Lesson 4 — Protocols, Ports, TCP vs UDP
  
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- Lesson 5 — IPv4, IPv6, Subnetting, and CIDR
  
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- Lesson 6 — Routing Concepts & Protocols
  
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Module 2 — Infrastructure

6Lessons ·
- Lesson 1 — Network Hardware: Switches, Routers, Firewalls
  
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- Lesson 2 — Load Balancers, Proxies, Wireless Controllers
  
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- Lesson 3 — Cabling: Copper, Fiber, Connectors
  
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- Lesson 4— Transceivers: SFP, QSFP, GBIC
  
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- Lesson 5 — Wireless Standards & Frequencies
  
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- Lesson 6 — Virtualization & Cloud Networking
  
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Module 3 — Network Operations

5Lessons ·
- Lesson 1 — Monitoring Tools & Metrics
  
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- Lesson 2 — Logs, Alerts, and Baselines
  
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- Lesson 3 — Documentation & Diagrams
  
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- Lesson 4 — Network Policies & Procedures
  
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- Lesson 5 — High Availability & Redundancy
  
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Module 4 — Network Security

5Lessons ·
- Lesson 1 — Security Fundamentals & Threat Types
  
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- Lesson 2 — Secure Network Design: VLANs, DMZ, Segmentation
  
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- Lesson 3 — Firewall Rules, ACLs, Zero Trust
  
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- Lesson 4 — Authentication: AAA, RADIUS, TACACS+
  
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- Lesson 5 — Wireless Security: WPA3, EAP, Certificates
  
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Module 5 — Troubleshooting

3Lessons ·
- Lesson 1 — Troubleshooting Methodology
  
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- Lesson 2 — Troubleshooting Tools: CLI, Hardware, Packet Capture
  
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- Lesson 3 — Troubleshooting Scenarios: Wired, Wireless, Performance, Security
  
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