A user issues the following command:
ls -l /var/log | egrep -e '^d[rwx]{3}.*[rw-]{3}.*'
The list of files in the system is shown below:

Which of the following results matches the command issued?

A technician reviews me following output:

Which of the following commands should the technician execute to ensure the system has the appropriate paging? (Select TWO).

A networked has been crashing intermittently. A Linux administrator would like to write a shell script that will attempt to ping the server and email an alert if the server fails to respond. The script will later be scheduled via cron job.
Which of the following scripts would BEST accomplish this task?

A user submitted a ticket stating that the development environment is reporong the device does not have any space left. The user's application creates a lot of small files and does not remove these files when the application crashes. Given the following output:

Which of the following is the MOST likely cause for the error message indicating a lack of space?

While installing third-party software, a technician wants to monitor logs on the system continuously.
Which of the following commands should the technician issue to monitor the logs?