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Cisco career certifications are basically the IT certifications for Cisco products. There are five levels of certifications in Cisco - Entry, Associate, Professional, Expert and Specialist. Cisco certifications systems first stage is the entry level and starts with CCENT (Cisco certified Entry networking Technician) certification as an first step to CCNA (Cisco Certified Network Associate) The CCNA is the ability to install, configure, operate and troubleshoot enterprise level switches