Domain 1: Network Fundamentals

Cisco CCNA (200-301) · this domain is approximately 20.0% of the exam · 0 practice questions.

Network Fundamentals is the foundational domain of the Cisco CCNA 200-301 exam, accounting for approximately 20 percent of the exam weight. It covers the OSI and TCP/IP models, IPv4 and IPv6 addressing and subnetting, the function of network components such as switches, routers, firewalls, and access points, and basic switching and routing concepts. A solid understanding of this domain is required before tackling more applied topics in the exam, as every other domain builds on these principles.

Practice questions from this domain

The full Cisco CCNA (200-301) bank includes 499 questions across every domain, each with a verified answer and a written explanation.