CompTIA Network+ (N10-008): Complete Guide 2026

What is CompTIA Network+?

CompTIA Network+ validates essential networking skills including configuring, managing, and troubleshooting wired and wireless networks. Unlike vendor-specific certifications like CCNA, Network+ is vendor-neutral, covering concepts applicable to any network equipment.

Network+ is ideal for network administrators, network technicians, and help desk professionals looking to advance their careers in networking.

Exam Domains & Weights

Domain 1: Networking Fundamentals (24%)

• OSI and TCP/IP models
• Network topologies and types
• IPv4 and IPv6 addressing and subnetting
• Common ports and protocols
• Network services (DHCP, DNS, NTP)

Domain 4: Network Security (19%)

• Security concepts and threat types
• Authentication methods (RADIUS, TACACS+)
• Firewalls, IDS/IPS, VPNs
• Wireless security (WPA3, 802.1X)
• Physical security measures

Domain 5: Network Troubleshooting (22%)

• Troubleshooting methodology
• Cable and connectivity issues
• Network performance problems
• Wireless connectivity issues
• Command-line tools (ping, tracert, netstat, nslookup)

Network+ vs CCNA

Study Tips

• Subnetting: Master IPv4 subnetting (heavily tested)
• Hands-on labs: Use Packet Tracer or GNS3
• Command-line: Practice network troubleshooting commands
• Port numbers: Memorize common ports (20-23, 25, 53, 80, 443, etc.)

Career Impact

• Average salary: $60,000 - $80,000 USD
• Network Administrator and Technician roles
• Foundation for Security+, CySA+, and cloud certifications
• DoD 8570 approved for IAT Level I