Multiple choice technology mainframe

Which of the following equations are correct?

  1. DISP=(,PASS) is equivalent to DISP=(NEW,PASS,KEEP)

  2. DISP=(,,KEEP) is equivalent to DISP=(NEW,DELETE,KEEP)

  3. DISP=(,,CATLG) is equivalent to DISP=(OLD,CATLG,CATLG)

  4. DISP=(OLD,,) is equivalent to DISP=(OLD,KEEP,KEEP)
Reveal answer Fill a bubble to check yourself
B,D Correct answer
Explanation

In DISP parameters, empty positions have specific defaults: first position defaults to NEW, second to DELETE, third to KEEP. Option B is correct because DISP=(,,KEEP) defaults to (NEW,DELETE,KEEP). Option D is correct because empty positions after a specified value default to KEEP. Options A and C are incorrect because empty first position defaults to NEW, not OLD.

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