When dragging an object, Word automatically displays green ________ to help you place the object in the exact location

The symbol used in mathematics to indicate the summation process is the Greek letter ________

Fill in the blank(s) with correct word

Which of the following is a reason that transaction logs must be backed up frequently?

A. so you don't have to spend time backing up data files B. frequent backups increase the likelihood of a corrupt active transaction log C. when the log is backed up, it is truncated D. the tail of the log increases each time the log is backed up