What is a public key infrastructure? select one: a. a structure that enables parties to use communications such as email b. a structure that provides all of the components needed for entities to communicate securely and in a predictable manner c. a structure that enables secure communications in chat rooms, instant messaging, and text messaging d. is a method of securing communications through the use of a single shared key

Which of the following is not contained on the slide show toolbar? a. next button b. slide button c. close button d. pen tool

Which type of tab stop is most for weights and measurements?

What are some ways to use a range name in a formula? check all that apply. in the defined names group, click use in formula, and then select the desired name. begin typing the name in the formula, select a name from the autocomplete list, and use the arrow keys and tab key to enter the name in the formula. begin typing the formula, and then click and drag with the mouse to select the cells to include in the formula. right-click one of the cells in the range. click formula options, and use the dialog box to add the name.