The CCDA certification (Cisco Certified Design Associate) indicates foundation knowledge of network design for the Cisco Internetwork Infrastructure.
CCDA certified professionals can design routed and switched network infrastructures involving LAN, WAN, and dial access services for businesses and organisations.
This certification is intended for pre-sales and post-sales network engineers involved in the network design, planning and implementation.
Knowledge and skills to install, configure, and operate small networks. CCNA and BCMSN level knowledge is needed to prepare for the CCDA certification exam
CCDA certifications are valid for three years. To re-certify, pass the current certification exam, or a Cisco Qualified Specialist exam (excluding Sales Specialist exams), or any Professional level exam bearing a prefix 642, or pass a CCIE written exam on or after October 1, 2004.
Advancing to the next level or recertifying at the Professional level automatically renews all related Associate level certifications.