Multiple choice technology mainframe

Which statement(s) is/are true for LRECL

  1. LRECL=0 is valid only for RECFM=F.

  2. LRECL must not exceed BLKSIZE minus 4 for RECFM=V

  3. LRECL can not exceed BLKSIZE when RECFM=VS

  4. LRECL=nnnnnK syntax is valid.
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B,D Correct answer
Explanation

For Variable (V) records, the LRECL must include the 4-byte Record Descriptor Word (RDW), so it cannot exceed BLKSIZE minus 4. The 'K' syntax (e.g., 32K) is also valid in certain JCL contexts for large block sizes.

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