Cisco Certified Design Associate (CCDA®) validates knowledge required to design a Cisco® converged network. The Designing for Cisco® Internetwork Solutions (DESGN) exam is the exam associated with the CCDA® certification. With a CCDA® certification, a network professional demonstrates the skills required to design routed and switched network infrastructures and services involving LAN, WAN, and broadband access for businesses and organizations. The CCDA® curriculum includes designing basic campus, data center, security, voice, and wireless networks.