System administrators tasked with managing IBM WebSphere Application Server Network Deployment V8.5.5 and the Liberty Profile must demonstrate proficiency in installing, configuring, and maintaining complex middleware environments. Candidates perform administrative duties involving cell topology management, High Availability Manager implementation, and Intelligent Management features for dynamic clustering. The curriculum mandates deep expertise in security hardening, centralized configuration using the wsadmin tool, and performance tuning via the Tivoli Performance Viewer. Administrators must execute application deployment cycles, monitor JVM resource consumption, and troubleshoot SIP and web-tier request routing. Mastery of this exam ensures practitioners effectively orchestrate secure, scalable, and highly available enterprise Java infrastructure.