JCL Interview Questions and Answers

JCL Interview Questions and Answers

Below, frequently asked Top JCL interview questions and answers for freshers and experienced. All the best for your interview Preparation.

What is JCL?

What are three major types of JCL statements? What are their functions?

What is the use of JCL?

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?

How JCL works?

What is primary allocation for a dataset?

How many extents are possible for a sequential file? for a VSAM file?

What is COND=EVEN?

What is COND=ONLY?

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 meaning of data definition name (dd name) and data set name (dsn name) in the dd statement?

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 does IEBGENER do?

What is the use of IEBGENER utility?

What is the difference between JES3 and JES2?

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)?

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