Before knowing the most popular CCNA Interview Questions And Answers, let's acknowledge some facts about it. We all know how Cisco Systems covers more than 50 percent of the networking market around the globe. Cisco Certification is known for providing different types of training and certification programs around the world. You can apply for the Cisco certification on different roles and opportunities in the domain of networking. If you think about what area it covers, then takes a look at the below-mentioned pointers: a) Switching b) Routing c) Wireless, d) Data security, e) And more. CCNA Interview Questions And Answers