Overview of the IBM System z Technical V5 (C4070-622) Exam
System z Technical V5 candidates, primarily infrastructure architects and senior systems engineers, must demonstrate mastery of z/OS architecture, zEnterprise hardware integration, and Parallel Sysplex configurations. The examination evaluates technical proficiency in Workload Manager (WLM) policy definitions, z/VM virtualization, and Linux on Z deployment strategies. Practitioners must optimize enterprise-wide data security via RACF, implement cryptographic services using IBM Z hardware accelerators, and manage high-availability storage subsystems including DS8000 series and zHyperLink connectivity. Furthermore, the assessment validates expertise in GDPS resiliency, CICS transaction management, DB2 performance tuning, and the deployment of hybrid cloud workloads leveraging z/OS Connect EE for integration with modern RESTful APIs.