Multiple choice technology mainframe

Which VSAM clusters support only fixed length records?

  1. a) LDS

  2. b) RRDS

  3. c) ESDS

  4. d) KSDS
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

VSAM clusters with ONLY fixed-length records are RRDS (Relative Record Dataset) and LDS (Linear Dataset). RRDS organizes records by relative record numbers and requires fixed length. The question asks which cluster supports only fixed length, and RRDS is the standard answer taught in mainframe curricula.

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