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The latest CCNA certification (exam code: 200-301) covers a broad range of networking fundamentals and practical skills needed for entry-level network roles. The syllabus is divided into
Key domains: - Network Fundamentals (around 20%)
Basics of networking, OSI & TCP/IP models, IP addressing, subnetting, wireless concepts, and network components.- Network Access (around 20%)
VLANs, trunking, switching concepts, Spanning Tree Protocol (STP), and basic wireless architecture.- IP Connectivity (around 25%)
Routing concepts, static and dynamic routing (OSPF), and how routers forward traffic.
NAT, DHCP, DNS, NTP, QoS basics, and network management tools.- Security Fundamentals (around 15%)
Basic security concepts, device hardening, access control lists (ACLs), and secure network access.- Automation & Programmability (around 10%)
Introduction to network automation, APIs, controllers, and basic programmability concepts.
The exam focuses on both theory and practical understanding, so hands-on practice is important. Many learners choose structured CCNA certification training to cover the full syllabus and prepare more efficiently.
Providers like SterlingNext offer guided training programs with expert support to help candidates understand concepts clearly and get ready for the exam.
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