Cisco Certified Design Professional -> CCDP
The Certification
The CCDP certification indicates an advanced knowledge of networking and network design. CCDP professionals design routed and switched networks using a modular network design that is highly available and scalable if necessary. Concepts covered include things like building scalable Cisco Internetworks and Multi-Layered Switched Cisco networks as well as designing Cisco network architectures.
The CCNP certification is the top-level professional certification that Cisco offers to networking professionals.