Give a command that displays a long listing of the files in /bin in reverse chronological order. Give the command again but this time display the output one screen at a time.

When pointing to the border between two columns on the column heading, the pointer displays as a ________

A) flashing arrow B) ruler C) two-headed arrow D) four-headed arrow

Recently, a hacker used a social engineering attack to discover the passwords of several users. Which security tenet was compromised as a result of this attack?

A. Confidentiality B. Integrity C. Availability D. Authentication