| Domain | Weight | Key Topics | |--------|--------|-------------| | | 20% | OSI/TCP/IP models, IPv4/IPv6 addressing, Ethernet switching basics, cabling, ARP, NDP | | Network Access | 20% | VLANs, Trunking (DTP, 802.1Q), Spanning Tree Protocol (STP), EtherChannel, CDP/LLDP, 802.11 wireless basics | | IP Connectivity | 25% | Static routing, OSPFv2 (single area), Inter-VLAN routing (Router-on-a-stick), FHRP (HSRP, VRRP, GLBP) | | IP Services | 10% | NAT (static/dynamic/PAT), DHCP, DNS, NTP, SNMP, Syslog, QoS basics (marking, shaping, policing) | | Security Fundamentals | 15% | ACLs (standard/extended), port security, DHCP snooping, DAI, SSH, password policies, VPN basics (IPsec) | | Automation & Programmability | 10% | REST APIs, JSON, YAML, Ansible/Puppet/Chef basics, SD-Access, SD-WAN, controller-based networking (Cisco DNA Center) |
Whether you are a complete beginner, a help desk technician looking to level up, or an experienced admin seeking to validate your skills, this guide will walk you through everything you need to know—from exam topics to study strategies and hands-on labs. Before February 24, 2020, Cisco offered multiple CCNA tracks (Routing & Switching, Security, Wireless, Cloud). Today, the 200-301 is the only CCNA exam. Cisco retired the old silos to reflect the reality of modern IT: networks are no longer just routers and switches. Today’s network engineer must understand basic automation, wireless controllers, API integrations, and network programmability. cisco ccna 200-301-the complete guide to getting certified
According to Cisco’s official exam topics (v1.1 as of 2025), the exam is divided into six domains: | Domain | Weight | Key Topics |