CompTIA Network+ N10-009 exam guide: format, domains, cost, and a free practice quiz covering networking concepts, implementation, operations, security, and troubleshooting.
CompTIA Network+ (N10-009) is a vendor-neutral networking certification. It validates the skills to design, configure, manage, secure, and troubleshoot wired and wireless networks.
It's a common stepping stone between A+ and Security+ (or into Cisco's CCNA) and a strong foundation for any infrastructure role.
▶ Start the free Network+ (N10-009) practice quiz| Certification | CompTIA Network+ (N10-009) |
|---|---|
| Exam code | Network+ (N10-009) |
| Level | Associate |
| Format | Multiple choice & performance-based questions |
| Questions | Up to 90 questions |
| Duration | 90 minutes |
| Passing score | 720 / 900 |
| Cost (USD) | ~$369 |
| Validity | 3 years (renewable via CE) |
| Prerequisites | None (A+ and 9–12 months experience recommended) |
Exam details change over time — always confirm the current specifics on the official exam page before you book.
The official exam is organized into these domains. Our practice bank mirrors them so you can drill each area:
| Domain | Exam weight | Practice questions |
|---|---|---|
| Networking Concepts | 23% | 9 |
| Network Implementation | 20% | 5 |
| Network Operations | 19% | 5 |
| Network Security | 14% | 4 |
| Network Troubleshooting | 24% | 5 |
Master the OSI model, IP addressing/subnetting, common ports/protocols, and devices (switches, routers) plus VLANs, STP, and routing basics.
Know network operations (SNMP, syslog, QoS), security (firewalls, VPNs, port security), and a structured troubleshooting methodology.
The free quiz below covers all five domains with explanations.
Our free Network+ (N10-009) practice quiz has 28 scenario-based questions covering every exam domain. Each question includes the correct answer, a plain-English explanation of why it is right (and why the alternatives are wrong), and a reference to the relevant topic — so you learn as you go, not just test yourself.
▶ Practice Network+ (N10-009) now — 28 questions, freeYes for infrastructure roles — it builds the networking vocabulary that underpins security and cloud work.
Network+ is vendor-neutral and broader/easier; CCNA is Cisco-specific and deeper. Many do Network+ first.
Up to 90, including performance-based, in 90 minutes; 720/900 to pass.
Valid three years, renewable via continuing education.