Cisco CCNA (200-301): Complete Certification Guide 2026

What is CCNA?

The Cisco Certified Network Associate (CCNA) 200-301 is the most recognized entry-level networking certification globally. It validates your knowledge of network fundamentals, IP connectivity, security, automation, and programmability.

The 2025 exam emphasizes a broader range of skills, combining classical routing and switching with network automation, security, and programmability concepts for modern network engineers.

Exam Domains

Key Topics

Network Fundamentals (20%)

• OSI and TCP/IP models
• IPv4 and IPv6 addressing
• Subnetting and VLSM
• Network topologies and cabling

Network Access (20%)

• VLANs and trunking
• EtherChannel
• Spanning Tree Protocol (STP)
• Wireless concepts and configuration

IP Connectivity (25%)

• Static and dynamic routing
• OSPF single-area configuration
• First Hop Redundancy (HSRP)
• IPv4 and IPv6 routing tables

Security Fundamentals (15%)

• Security threats and vulnerabilities
• AAA concepts
• ACLs configuration
• Layer 2 security features

Automation & Programmability (10%)

• REST APIs and JSON
• Cisco DNA Center basics
• Network configuration management
• Controller-based networking

Question Types

• Traditional multiple-choice
• Interactive drag-and-drop
• Performance-based labs (simulations)
• Multi-part troubleshooting scenarios

Career Impact

• Average salary: $70,000 - $100,000 USD
• Network Administrator and Engineer roles
• Required for many IT infrastructure positions
• Foundation for CCNP and specialty certs