Level 3: BCS MTP Consultant (z/OS)
Below are details of the skills that must be demonstrated in
the examination in order to succeed at this level, and the prerequisite
education and/or experience expected.
Examination
The examination will be conducted over one day in invigilated test conditions.
The disciplines and knowledge tested will comprise:
- z/OS Structure & Flow - knowledge of theory
- Advanced JCL functions and utilities - knowledge of theory and practical expertise
- Understanding & Maintaining Catalogs - knowledge of theory and practical expertise
- Diagnosing z/OS Supervisor & Stand Alone Dumps - practical expertise (optional)
- Writing & maintaining re-entrant exits- practical expertise (optional)
- Using WLM & RMF Reports- Knowledge of theory and practical expertise (optional).
Skills demonstrated
In order to qualify at this stage candidates will be expected to:
demonstrate an in-depth understanding of z/OS's structure by:
- identifying problem areas during an IPL
- tracing the task management control blocks in a dump
- installing and enabling SVCs
- understanding problem and exit areas in job management
- understanding the issues surrounding serialisation
- using the subsystem interface
- understanding the problems in scheduling SRBs
- resolving problems associated with Cross Memory Services
- analysing storage control blocks in a dump
- isolating I/O problem areas.
demonstrate the ability to resolve SVC and standalone dumps by:
- using the appropriate diagnostic procedure for each type of dump
- identifying the failing operating system component in standalone and SVC
dumps
- using various operating system data-gathering facilities, such as system
traces.
demonstrate the ability to understand and write and maintain exits by:
- using advanced addressability techniques
- applying 24, 31 & 64 bit addressing concepts
- writing re-entrant code
- using MVS control blocks in exit routines
- using supervisor services macros
- producing and invoking ESTAE routines.
demonstrate the ability to maintain manage z/OS performance:
- setting up the WLM environment
- using Service Classes effectively
- analysing RMF reports.
Prerequisite knowledge/experience
Candidates for the Level 3 BCS Mainframe Technology Professional (z/OS) certification will be expected to have at least four years of experience in a mainframe-based data centre and will have Level 2 BCS Mainframe Technology Professional (z/OS) certification.
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