Domain 1 · 23% of Exam

Networking Concepts

OSI model, network types, cabling, and IP addressing.

About This Domain

Domain 1 — Networking Concepts — accounts for 23% of the NETPLUS certification exam. This domain evaluates your understanding of osi model layers and functions, network topologies and types, cables and connectors, and related concepts. OSI model, network types, cabling, and IP addressing. To pass this section you need practical knowledge of how these technologies work together.

What You'll Be Tested On

  • OSI model layers and functions
  • Network topologies and types
  • Cables and connectors
  • IP addressing and subnetting
  • Common ports and protocols

Key Technologies in This Domain

Study Strategy for Domain 1

While 23% might seem like a smaller portion, every point counts toward the passing score.

Exam Tips for Domain 1

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Know the OSI model cold — it is tested throughout the exam.

Frequently Asked Questions

How many questions come from Domain 1?

Domain 1 (Networking Concepts) makes up 23% of the NETPLUS exam.

What should I focus on for Domain 1?

Key topics include Fundamentals.

How should I prepare for Networking Concepts questions?

Review key topics, then practice with domain-specific questions focusing on real-world scenarios.

What's the best order to study NETPLUS domains?

Start with highest-weighted: Networking Concepts (23%), Network Implementation (20%), Network Operations (19%), Network Security (14%), Network Troubleshooting (24%).

Practice Domain 1 Questions

Test your knowledge of Networking Concepts with practice questions from our NETPLUS question bank.

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Other NETPLUS Domains