Ben uses an ftp client application to download files from the internet. at what layer does the interface that initiates download request work? a physical layer b network layer c presentation layer d application layer

Idon understand these and need some ! ?

What provides an array of buttons for quick access to commonly used commands and tools

If you're using an existing powerpoint presentation that will receive new slides based on a word outline, select the a. slide that will appear after the new slides. b. first slide in the presentation. c. slide that will appear before the new slides. d. last slide in the presentation.