In order to gather performance data with sar over a longer period of time, which command should be run periodically from cron?
Answer : A
Which of the following commands restores only those files containing lpi in their name from the archive lpifiles.tar.gz?
Answer : A
What command is used to send messages to all users currently logged in? (Specify ONLY the command without any path or parameters.)
See Below Explanation:
Answer : A
Which of the following commands erases the contents of the /dev/sdb3 partition?
Answer : B
Which one of these directories should not be backed up?
Answer : D
Under which of the following circumstances would the command ping output the string (DUP!)?
Answer : A
Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)
Answer : B, D