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Cisco Certified Network Associate (CCNA)

Cisco Certified Network Associate (CCNA) is the most commonly-held Cisco certification and indicates apprentice knowledge of networking. CCNA certifies users to install, configure, and operate Cisco products.

A CCNA candidate must prove familiarity and expertise with, among other subjects, Cisco's IOS, TCP/IP, LAN and WAN technologies and management, switching and routing protocols, the OSI model, LAN troubleshooting, and be familiar with a variety of communication protocols, some Cisco-specific and some not.