When an item in a menu is black, it means that

a. a dialog box is present

b. it is the only command that can be selected

c. the item can be selected

d. the item is unavailable

When running anti-virus software , what could be a reason where recipitent is not guaranteed that data being streamed will not get interrupted?

Free points just awnser this. what should i watch on netflix

What can a word user do with the customize ribbon dialog box? check all that apply. minimize the ribbon add a new tab to the ribbon remove a group from a tab add a group to a tab choose which styles appear choose which fonts appear choose tools to appear in a group