Cisco Certifies Networking Associate or CCNA as it is abbreviated is an associate level technical certification designed for individuals who want to provide better network solutions. Though being vendor specific i.e. CISCO, the certification has been a stepping stone for individual seeking knowledge and training in the networking technology ecosystem.
Professionals undergoing this course are bound to have the skill set to manage LAN and WAN troubleshooting and are capable of supporting and configuring small to medium size networks.
CCNA is your foundation level of certification, which aims at helping you understand basic concepts of networking technology and is most sought by professionals who want to proceed to profession level i.e. CCNP and expert level i.e. CCIE.