Multiple choice technology mainframe

Which DD parameters are required

  1. All parameters & Keywords are optional

  2. Dsname, SPACE, RECFM

  3. Dsname, SPACE, UNIT

  4. Dsname, DISP, SPACE
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A Correct answer
Explanation

In JCL, the DD (Data Definition) statement itself is required to define a dataset, but all specific parameters (like DSNAME, DISP, or SPACE) are technically optional depending on the context (e.g., using temporary files or sysout). However, usually, DSNAME and DISP are considered core.

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