The extension for Microsoft Excel 2013 workbooks is ________

What's the first method a security tester should attempt to find a password for a computer on the network?

a. Use a scanning tool. b. Install a sniffer on the network. c. Ask the user. d. Install a password-cracking program.

Which of the following FILE tab options can be used to attach a document to an e-mail message?

A. Mail Message B. Send Using E-mail C. Share D. Send as Attachment