Multiple choice technology mainframe

Suppose if a Dataset is created with RECFM=FBA, and then if the same is browsed, what is the Total length observed.

  1. (A) Total length declared

  2. (B) Total Length declared – 1

  3. (C) Total Length declared + 1

  4. (D) None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In FBA (Fixed Block All) format, each logical record has a 1-byte block descriptor prefix. When browsing or processing records, the observed length appears to be LRECL-1 because the control byte is usually not part of the logical record content. This is a characteristic of blocked record formats where control information precedes the actual data.

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