Below, frequently asked Top JCL interview questions and answers for freshers and experienced. All the best for your interview Preparation.
What are three major types of JCL statements? What are their functions?
What is a Generation Data Group (gdg)?
Name some of the JCL statements that are not allowed in procs?
What are the basic JCL Statements for a Job?
What is primary allocation for a dataset?
How many extents are possible for a sequential file? for a VSAM file?
What is the syntax of JCL statement?
What is RESTART? How is it invoked?
How do you restart a step in JCL?
What is the purpose of the job statement?
How are in-stream procedures (procs) built?
What is an operation exception error?
What is the purpose of the parm keyword in the exec statement?
What is the improvement to cond= in the latest version of mvs?
What is the difference between a symbolic and an override in executing a proc?
What are SD37, SB37, SE37 abends?
What are S0C1, S0C4, S0C5, S0C7 and SOCB?
What are the difference between JCL and JES?
What is DSN parameter and DISP parameter is used for?
What is the use of IEBGENER utility?
What is the difference between JES3 and JES2?
What is the purpose of the RESTART parameter in JCL?
What is a symbolic parameter in JCL?
What is the difference between a JCL library and a JCL procedure?
How do you conditionally execute a step based on the completion code of a previous step?
How can you override a parameter in a JCL step?
What is a PROC statement in JCL?
How can you pass parameters to a JCL procedure?
What is the difference between specifying DISP=OLD and DISP=SHR for a dataset?
What does a disposition of (NEW, CATLG, DELETE) mean?
What does a disposition of (NEW, CATLG, KEEP) mean?
What does a disposition of (MOD, DELETE, DELETE) mean?
What is DISP=(NEW, PASS, DELETE)?
Here are some scenario-based JCL (Job Control Language) interview questions along with their answers:
How would you submit a job in JCL that has a dependency on the successful completion of another job?
How would you conditionally execute a step in JCL based on the presence or absence of a dataset?
How can you dynamically allocate a dataset in JCL based on certain conditions?
How would you handle the restart of a failed job at a specific step in JCL?
How would you pass data from one step to another within the same JCL?
How would you override the default position of the output file in JCL?