Multiple choice technology mainframe

Indicate the correct answers: A concatenation of datasets...

  1. ... can be used for input, to use both DD entries describing sequential datasets and DD

  2. ... can be used to write multiple output datasets.

  3. ... can contain a dummy data set in the input, which will indicate the end of the input.

  4. ... stored on different device types, can not be used for input.
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A,C Correct answer
Explanation

In IBM JCL, a concatenation of datasets can contain sequential datasets and DD entries for input, and a dummy dataset can be placed in the concatenation to signify the end of input or empty input. Concatenated datasets cannot be used for writing multiple outputs.

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