CCIE Security is highest level certification offered by Cisco Systems in Network Security. The Cisco CCIE Security Written Exam (400-251) version 5.0 is a 2-hour test with 90–110 questions. This exam tests the skills and competencies of security professionals in terms of describing, implementing, deploying, configuring, maintaining, and troubleshooting Cisco network security solutions and products, as well as current industry best practices and internetworking fundamentals.
Topics include networking fundamentals and security-related concepts and best practices, as well as Cisco network security products and solutions in areas such as VPNs, intrusion prevention, firewalls, identity services, policy management, and device hardening. Content includes both IPv4 and IPv6 concepts and solutions.