N10-009Network+

What's on the Network+ exam

Network+ goes deeper than the A+ networking domain: routing and switching, wireless design, network operations and monitoring, security fundamentals, and structured troubleshooting.

5 domains  ·  25objectives  ·  in official exam order

1.0 Networking Concepts

23% of the exam
  • 1.1The OSI model, layer by layer
  • 1.2Network appliances and applications compared
  • 1.3Cloud concepts and the ways networks connect to them
  • 1.4Ports, protocols, services, and traffic types
  • 1.5Copper, fiber, and wireless media — and the transceivers between them
  • 1.6Network topologies and architecture patterns
  • 1.7IPv4 addressing and subnetting in practice
  • 1.8Modern networking: SDN, zero trust, IaC, and IPv6 adoption

2.0 Network Implementation

20% of the exam
  • 2.1How routing works: static, dynamic, and path selection
  • 2.2Configuring switching: VLANs, trunking, and interface settings
  • 2.3Deploying wireless: channels, SSIDs, and access point placement
  • 2.4Physical installs: racks, power, and environmental factors

3.0 Network Operations

19% of the exam
  • 3.1Documentation, change control, and configuration management
  • 3.2Monitoring the network: SNMP, flow data, and logging
  • 3.3Disaster recovery: sites, metrics, and testing
  • 3.4Running network services: DHCP, DNS, and NTP for IPv4 and IPv6
  • 3.5Remote access and device management methods compared

4.0 Network Security

14% of the exam
  • 4.1Core network security concepts and terminology
  • 4.2Network attacks and the damage they do
  • 4.3Applying defenses: segmentation, ACLs, and device hardening

5.0 Network Troubleshooting

24% of the exam
  • 5.1The troubleshooting method, start to finish
  • 5.2Troubleshooting cables and physical interfaces
  • 5.3Troubleshooting network services
  • 5.4Chasing down network performance problems
  • 5.5Picking the right tool or protocol to solve an issue

This is our plain-English overview of what the exam covers, in the blueprint's order. The official objectives document — with every sub-objective — is published by CompTIA.

Get the official objectives at CompTIA.org ↗

Study every one of these topics here

ExamWizardz turns this list into a guided plan — practice tests, hands-on labs and PBQs, flashcards, and articles mapped to the Network+ exam.

CompTIA®, A+®, Network+®, and Security+® are registered trademarks of CompTIA, Inc. ExamWizardz is not affiliated with, endorsed by, or sponsored by CompTIA. This overview is ExamWizardz's own summary of publicly documented exam scope.