Multiple choice technology mainframe

What is the maximun number of generations that a GDG can have?

  1. 253

  2. 254

  3. 255

  4. 256
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

IBM Generation Data Groups (GDGs) can have a maximum of 255 generations (0-255 or 1-255 depending on limit). This is a system limitation in mainframe datasets where GDG base is cataloged with generation numbers.

Keep practicing — related questions