Multiple choice technology databases In NPS, the minimum size of an extent on a SPU is: 2 mb 3 mb 4 mb 5 mb Reveal answer Fill a bubble to check yourself B Correct answer Explanation In Netezza Performance Server, disk space on each SPU is allocated in units called extents. The minimum extent size is 3 MB, which is the fundamental storage granularity - Netezza allocates space in 3 MB chunks even for smaller amounts of data.