____, as a technique, is quite similar to e-mail bombing. However, it is accomplished differently and involves enrolling potentially hundreds of target users through e-mail lists and distributed e-mail message systems.?

Change the background color of a slide by clicking the DESIGN tab, then selecting Format Background from the _________ group.

A. Themes B. Customize C. Select D. Variants

Which HTTP error informs you the server understands the request but refuses to comply?

A. 401 Unauthorized B. 404 Not Found C. 403 Forbidden D. 409 Conflict