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Cisco (Cisco) is the world's leading manufacturer of network equipment and solutions provider. CCNA, CCNP and CCIE is the network certification exams introduced by Cisco. CCNA (Cisco Certified Network Associate) is the Cisco certification exams in the entry-level certificates for the network basics and skills assessment. CCNA exam mainly covers network fundamentals, routing and switching, wireless networks, security and other aspects of the content. CCNP (Cisco Certified Network Professional) is Cisco certification exams in the professional-level certificates for network engineers with a certain degree of experience. Troubleshooting and other areas, including routing and switching, security, wireless networks, service providers, etc. CCIE (Cisco Certified Internetwork Expert) is Cisco certification exams in the top certificate, is regarded as the world's IT industry, one of the highest level of certification. CCIE exams are very challenging, requiring candidates to have excellent knowledge of network design, deployment, management and troubleshooting. The CCIE exams are very challenging and require candidates to have excellent technical skills and experience in network design, deployment, management, and troubleshooting. These certification credentials help networking professionals prove their expertise in Cisco technologies and provide a competitive edge in their career development.