Multiple choice technology operating systems Commands tar & dd dd allows block sizes to be defined, tar does not allow tar allow block sizes to be defined while dd does not allow both tar & dd allow block sizes to be modified both tar & dd do not allow block sizes to be modified Reveal answer Fill a bubble to check yourself C Correct answer Explanation Both the tar (using the b option) and dd (using the bs, ibs, or obs options) commands allow users to define and modify block sizes for data transfer.