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Core Topics Routing and Switching: Understand routing protocols like OSPF and EIGRP, along with switch configurations, VLANs, and STP. “OSPF and knowing how to read a routing table to know what route a packet will take.”
Subnetting: Master subnetting techniques. “I practiced subnetting for about 20 minutes a day using subnettingpractise.com and subnetipv4.com.”
Network Security: Learn about ACLs, firewalls, and other security measures. “You should be able to configure single area OSPF, know how to change the OSPF priority to influence DR/BDR elections etc, configure basic IPv6, ACLs, NAT, DHCP, NTP.”
Wireless: While some redditors felt wireless was outdated, it is still a significant part of the exam. “The CCNA still has wireless all over the exam topics.”
Automation and Programmability: Understand basic concepts of network automation and programmability. “Automation and Programmability 100%”
Practice and Labs Hands-On Experience: Practice with labs using tools like Cisco Packet Tracer. “Do as many labs as you can. This is where the theory really sticks.”
Practice Exams: Use high-quality practice exams like Boson ExSim. “In the final week, I purchased the Boson ExSim practice exams and completed all four in simulation mode.”
Study Resources Complete Courses: Jeremy's IT Lab on YouTube is highly recommended. “As for Jeremy honestly this guy is the way to go.”
Official Cisco Materials: Use the official study guides and other resources provided by Cisco. “Pick one solid course for all the theory.”
Time: 120 minutes
Focus: Modern enterprise networking – routing/switching, wireless, security, and automation.
The exam is built around six domains:
Goal: Understand what a network is, what the parts do, and how IP addressing works.
Goal: Get devices onto the LAN and WLAN safely and correctly.
Goal: Understand how routers make forwarding decisions.
Goal: Know the common network services that support connectivity.
Goal: Protect devices, data, and users.
Goal: Understand how automation and APIs change network management.