The CompTIA Network+ (N10-009) is one of the most respected vendor-neutral networking certifications available — and one of the best starting points for a career in IT infrastructure, network engineering, or cybersecurity. This page is your hub for everything on this blog covering the N10-009 exam objectives.
Each objective gets its own dedicated post with a video walkthrough, detailed explanations, and accordion-style practice questions so you can test yourself as you go.
How to Use This Guide
- Work through the objectives in order — each one builds on the last
- Watch the embedded YouTube video in each post for a visual walkthrough
- Use the accordion practice questions at the end of each post to self-test
- Set up the Network+ Home Lab to practice hands-on
Domain 1 — Networking Concepts
| Objective | Topic | Status |
|---|
| 1.1 | Explain the OSI model and how each layer relates to network communication | ✅ Published |
| 1.2 | Explain common networking hardware and appliances | ✅ Published |
| 1.3 | Summarize cloud concepts and connectivity options | ✅ Published |
| 1.4 | Explain common networking protocols and their use cases | 🔜 Coming soon |
| 1.5 | Compare and contrast transmission media and transceivers | 🔜 Coming soon |
| 1.6 | Compare and contrast network topologies, architectures, and types | 🔜 Coming soon |
| 1.7 | Given a scenario, use appropriate IP addressing schemes | 🔜 Coming soon |
Domain 2 — Network Implementation
| Objective | Topic | Status |
|---|
| 2.1 | Compare and contrast various devices, their features, and their appropriate placement | 🔜 Coming soon |
| 2.2 | Compare and contrast routing technologies and bandwidth management concepts | 🔜 Coming soon |
| 2.3 | Given a scenario, configure and deploy common Ethernet switching features | 🔜 Coming soon |
| 2.4 | Given a scenario, install and configure the appropriate wireless standards and technologies | 🔜 Coming soon |
Domain 3 — Network Operations
| Objective | Topic | Status |
|---|
| 3.1 | Given a scenario, use the appropriate statistics and sensors to ensure network availability | 🔜 Coming soon |
| 3.2 | Explain the purpose of organizational documents and policies | 🔜 Coming soon |
| 3.3 | Explain high availability and disaster recovery concepts | 🔜 Coming soon |
Domain 4 — Network Security
| Objective | Topic | Status |
|---|
| 4.1 | Explain the importance of basic network security concepts | 🔜 Coming soon |
| 4.2 | Summarize various types of attacks and their impact on the network | 🔜 Coming soon |
| 4.3 | Given a scenario, apply network security features, defense techniques, and solutions | 🔜 Coming soon |
Domain 5 — Network Troubleshooting
| Objective | Topic | Status |
|---|
| 5.1 | Explain the network troubleshooting methodology | 🔜 Coming soon |
| 5.2 | Given a scenario, troubleshoot common cable connectivity issues | 🔜 Coming soon |
| 5.3 | Given a scenario, use the appropriate tool to solve networking issues | 🔜 Coming soon |
| 5.4 | Given a scenario, troubleshoot common wireless connectivity issues | 🔜 Coming soon |
| 5.5 | Given a scenario, troubleshoot general networking issues | 🔜 Coming soon |
Additional Resources
About This Series
Every post in this series is based on the official CompTIA N10-009 exam objectives. Videos are recorded and published on the it-learn YouTube channel — subscribe to get notified when new objectives drop.
New objectives are published regularly. Bookmark this page and check back as the series grows.
