The CCNA certification is the first Cisco certification most network engineers encounter. Nowadays it covers a lot of different topics. I have attempted to cover most of these topics in the labs listed below. However, since Cisco can modify the exam at any time without notice it’s best to keep an eye on the official list of topics which can be found here: Cisco CCNA Exam Topics
Basic Switch and Router Operations
Layer 2 Operations
- CCNA Lab 3: Mac Learning and Verification
- CCNA Lab 4: Vlans
- CCNA Lab 5: Access Ports
- CCNA Lab 6: Trunk Ports
- CCNA Lab 7: VTP
- CCNA Lab 8: CDP and LLDP
Spanning-Tree Protocol
- CCNA Lab 9: Basic Spanning Tree
- CCNA Lab 10: Rapid PVST
- CCNA Lab 11: Portfast
- CCNA Lab 12: Port-Channels
Routing
- CCNA Lab 13: Router on a Stick (Free!)
- CCNA Lab 14: Subnetting
- CCNA Lab 15: IPv4 Static Routing
- CCNA Lab 16: IPv6 Static Routing
- CCNA Lab 17: OSPF
- CCNA Lab 18: First Hop Redundancy Protocols
Services
- CCNA Lab 19: NAT
- CCNA Lab 20: DHCP
- CCNA Lab 21: NTP
- CCNA Lab 22: DNS
- CCNA Lab 23: Monitoring
- CCNA Lab 24: Quality of Service
- CCNA Lab 25: SSH
Security
- CCNA Lab 26: Access Control Lists
- CCNA Lab 27: DHCP Snooping
- CCNA Lab 28: ARP Inspection
- CCNA Lab 29: Port Security
Automation
- CCNA Lab 30: Intro in Python
- CCNA Lab 31: Using APIs
- CCNA Lab 32: JSON