How do you reference the most current generation of a GDG (generation data group)?

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  1. By placing a +1 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(+1)

  2. By placing a -0 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(-0)

  3. By placing a -1 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(-1)

  4. By placing a +0 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(+0)

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Correct Option: D

AI Explanation

To reference the most current generation of a GDG (generation data group), you need to use the syntax DSN=GDG.NAME(+0), which is described in option D.

Let's go through each option to understand why it is correct or incorrect:

Option A) By placing a +1 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(+1) This option is incorrect because by placing +1 in parenthesis, you are referencing the next generation of the GDG, not the current one.

Option B) By placing a -0 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(-0) This option is incorrect because -0 is not a valid syntax for referencing the most current generation of a GDG.

Option C) By placing a -1 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(-1) This option is incorrect because by placing -1 in parenthesis, you are referencing the previous generation of the GDG, not the current one.

Option D) By placing a +0 in parenthesis immediately after a dataset name. As in DSN=GDG.NAME(+0) This option is correct because +0 specifies the most current generation of the GDG.

The correct answer is D. This option is correct because it uses the correct syntax to reference the most current generation of a GDG.

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