Multiple choice technology mainframe

IEBCOMPR should never be used to compare

  1. Load Modules

  2. sequential data sets

  3. partitioned data sets

  4. PDSEs at the logical record level to verify a backup copy

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

IEBCOMPR should never be used to compare load modules because load modules contain executable binary code that may have timestamp differences or other variations even when functionally identical. IEBCOMPR does byte-level comparison which would flag these harmless differences as mismatches. For sequential datasets (Option B), partitioned datasets (Option C), and PDSEs (Option D), IEBCOMPR is appropriate and commonly used for verification.

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