Cisco Certification (Cisco Certification) is one of the world's most well-known IT technology certification, covering a variety of directions and areas. The following is the main direction of Cisco certification: network engineer direction CCNA (Cisco Certified Network Associate): entry-level certification, suitable for novices; mainly including network basics, routing and switching, wireless networks and security, etc. CCNP (Cisco Certified Network CCNP (Cisco Certified Network Professional): intermediate level certification for experienced professionals; mainly includes routing and switching, data center, security, collaboration and cloud. Wireless network engineer direction CCNA Wireless (Cisco Certified Network Associate Wireless): suitable for people who want to engage in enterprise or public places wireless network design and implementation; CCNP Wireless (Cisco Certified Network CCNP Wireless (Cisco Certified Network Wireless): suitable for professionals who want to develop in high-end wireless network construction and management. Security Engineer Direction CCNA Security (Cisco Certified Network Associate Security): suitable for people who want to engage in network security-related work, including network security fundamentals, VPN, firewall and intrusion detection; CCNP Security (Cisco Certified Network Professional Security): suitable for professionals who want to develop in the construction and management of high-end wireless networks. CCNP Security (Cisco Certified Network Professional Security): suitable for professionals who want to develop in-depth in the field of network security, mainly including security architecture and technology, VPN technology, security equipment configuration and management. Data Center Engineer Direction CCNA Data Center (Cisco Certified Network Associate Data Center): suitable for people who want to engage in data center network infrastructure-related work; CCNP Data Center (Cisco Certified Network Professional Data Center): suitable for people who want to engage in data center network infrastructure-related work; CCNP Data Center (Cisco Certified Network Professional Data Center): suitable for professionals who want to develop in the design, deployment and management of large-scale data center network. In addition, Cisco certification also includes the direction of collaboration engineers and cloud engineers, etc.. Different directions involve different knowledge and skills, you need to choose the appropriate certification according to your own career planning and interest.