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Want to learn ccna certification course in chennai , please walk in sk computer technolgies call 9841925321 whatsapp 9444180072 and we help you upgrade skill and knowledge in the networking environment and support job opportunity in networking . The CCNA certification has been devised by CISCO and stands for Cisco Certified Network Associate. The certificate validates a professional ability to understand, configure, operate, configure and troubleshoot medium-level switched and routed networks and also includes the verification and implementation of connections via remote sites using WAN.