How to differenciate between creting a PS and PDS using 3.2
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Value in Directory Blk
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Value in Blk Size
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Both
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None of the above
A
Correct answer
Explanation
A Partitioned Dataset (PDS) requires a directory to track member names and locations, so Directory Block must be non-zero. A Physical Sequential (PS) dataset has no directory structure, so Directory Block is zero or omitted. The block size field alone doesn't distinguish between PS and PDS - it's the presence/absence of a directory that differentiates them.