How many generations are allowed for a GDG?
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0 to 9
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0 to 5
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000 to 999
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0000 to 9999
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Correct answer
Explanation
GDG allows from 0000 to 9999 generations, providing a maximum of 10,000 possible generations. This 4-digit range gives ample capacity for generation datasets.
AI explanation
z/OS Generation Data Groups support generation numbers ranging from 0000 up to 9999, giving up to 9999 possible generations of a dataset under one GDG base. This four-digit numbering scheme (shown in catalog listings as G0001V00, G0002V00, etc.) is why the maximum extends into the thousands rather than single or triple digits.