CCIE R&S: Configure and troubleshoot complex converged networks CCIE Security: Configure complex, end-to-end secure networks, troubleshoot environments, and anticipate and respond to network attacks CCIE Service Provider: Configure and troubleshoot advanced technologies to support service provider networks CCIE Storage: Configure and troubleshoot storage area networks over a variety of interfaces CCIE Voice: Configure complex, end-to-end telephony, as well as network, troubleshoot, and resolve VoIP-related problems CCIE Wir eless: Plan, design, implement, operate, and troubleshoot wireless network and mobility infrastructure