Which of the following is Google's Web browser?

Which two commands are used from a Linux command-line environment to allow commands that require administrative privilege to be executed? (Select two.)

A) admin B. administrator C. su D. access E. sudo

You are examining a Microsoft Word document and have used an application that reads the metadata of the file. In this way you discover that there were two other individuals who made modifications to the file other than the original author. Which of the following forms of metadata provided that clue?

a. Embedded metadata b. System metadata c. OS metadata d. EXIF headers