Beginner
Free
CompTIA Network+ (N10-009): Networking Essentials
A full preparation track for CompTIA Network+ (N10-009), the vendor-neutral foundation for networking careers. Covers all five official domains — networking concepts, network implementation, network operations, network security, and network troubleshooting — with the OSI model, addressing, routing and switching, wireless, cloud, and a structured troubleshooting methodology.
Exam Facts — CompTIA
Exam code
N10-009
Questions
Maximum 90 (multiple-choice and performance-based)
Duration
90 minutes
Passing score
720 on a scale of 100–900
Exam cost
$369 USD
Certification validity
3 years (renewable with CEUs)
What you'll master
- Networking Concepts (23%) — OSI model, network appliances, cloud concepts, ports/protocols, traffic types, and IP addressing
- Network Implementation (20%) — routing and switching technologies, wireless standards, and physical installations
- Network Operations (19%) — documentation, monitoring, disaster recovery, and network management
- Network Security (14%) — security concepts, defense methods, and common attacks and hardening
- Network Troubleshooting (24%) — the troubleshooting methodology and tools for cabling, connectivity, and performance