Multiple choice technology mainframe When output dataset space is required, what quantity categories are used ? Primary, Secondary, Directory Address, Units, CONTIG or ALS Displacement and length Megabytes, Kilobytes and Bytes Reveal answer Fill a bubble to check yourself A Correct answer Explanation When allocating space for output datasets in JCL, three quantity categories are used: Primary (initial allocation), Secondary (extension allocation), and Directory (for PDS datasets). Options B, C, and D represent incorrect combinations.