CCNA certification is a second (associate) level Cisco Career certification. CCNA certification validates the ability to install, configure, operate, and troubleshoot medium-size routed and switched networks, including implementation and verification of connections to remote sites in a WAN.The CCNA certification (Cisco Certified Network Associate) indicates a foundation in and apprentice knowledge of networking. CCNA certified professionals can install, configure, and operate LAN, WAN, and dial access services for small networks (100 nodes or fewer), including but not limited to use of these protocols: IP, IGRP, Serial, Frame Relay, IP RIP, VLANs, RIP, Ethernet, Access Lists.

Overview of the new track of Cisco examination study material Internetworking.
: Introduction to TCP/IP.
: Subnetting, Variable Length Subnet Masks (VLSMs), and Troubleshooting TCP/IP.
: Cisco’s Internetworking Operating System (IOS) and Security Device Manager (SDM).
: Managing a Cisco Internetwork
: IP Routing
: Enhanced IGRP (EIGRP) and Open Shortest Path First (OSPF)
: Layer 2 Switching and Spanning Tree Protocol (STP)
: Virtual LANs (VLANs)
: Security
: Network Address Translation (NAT)
: Cisco’s Wireless Technologies
: Internet Protocol Version 6 (IPv6)
: Wide Area Networks