Asymmetric key encryption combined with the information provided by a. certificate authority allows unique identification of the user of encrypted data. b. the provider of encrypted data. c. both the user and the provider of encrypted data. d. either the user or the provider of encrypted data.

Jason is working on a microsoft excel worksheet and he wants to create a print preview shortcut. his teacher asks him to access the customization option to create the new shortcut. which two tabs should jason select to place the print preview shortcut on the worksheet toolbar? a. new tab (custom) and new group (custom) b. new file tab (custom) and new tab (custom) c. new custom group and new command d. new custom tab and new command