When executing the SQL Admin API "defragment table" and "table repack" commands on the customer table, what will happen

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When executing the SQL Admin API "defragment table" and "table repack" commands on the customer table, what will happen to the table? (Choose two.) execute function sysadmin:task("defragment table","customer"); execute function sysadmin:task("table repack", "customer");

A. Fragments of a table will be combined.
B. Rows will be moved to the beginning of table.
C. Given sufficient resources the number of extents in the table will be reduced.
D. Free space at the end of the table will be released to the dbspace for other tables to use. E. The table will be locked preventing inserts from happening for the duration of the commands.