CompTIA Network+ Practice Test 4

Practice Test 4 is a fixed 30-question set drawn from our CompTIA Network+ (N10-009) pool, balanced across all 5 exam domains. Every item is original — written to the public N10-009 objectives, never copied from a real exam — and each answer is fully explained with cited sources. It is untimed, so you can stop on any question and read the reasoning before moving on.

Skills this set drills: switching, 802.3at, DNS, power-budget, routing, services, wireless, 2.4ghz.

Domain coverage

• Networking Concepts — 7 questions
• Network Implementation — 6 questions
• Network Operations — 6 questions
• Network Security — 4 questions
• Network Troubleshooting — 7 questions

Objectives covered: 1.1 OSI model; 1.2 Networking appliances and functions; 1.3 Cloud concepts and connectivity; 1.4 Ports and protocols; 1.6 Network topologies and architectures; 1.7 IPv4 and IPv6 addressing; 1.8 Modern network environments; 2.1 Routing technologies; 2.2 Switching technologies; 2.3 Wireless technologies; 2.4 Physical installations; 3.1 Organizational documents and processes; 3.2 Network monitoring technologies; 3.3 Disaster recovery and high availability; and more.

Its domain mix tracks the N10-009 blueprint closely.