Convert the decimal number -91 to two's complement using 8 bits, showing all work.

A user can add ________ to the criteria for a field in the Query Design Grid to return results where there is nothing in that field

A) Is Empty B) Is Not Empty C) Is Null D) Is Not Null

The most widely deployed protocol for large-scale virtualization environments is __________.

Fill in the blank(s) with the appropriate word(s).