Exam 21: Linux

The CPU registers and the system RAM are saved into a file on the hard drive. Which of the following power management states are these in?

Which of the following mount options should you include in the /etc/fstab file to enable quotas when a file system is mounted?

John has a system which has 2 GB of RAM installed. How big should his swap partition be?

Which of the following DNS records is used to map a host name to an IP address?

You are installing a new Linux server, which will function as an e-mail server for your small business setup. Which of the following ports should you open on the host firewall?

You want to verify that a kernel module has been loaded and an alias is created for a newly installed network board. Which of the following files should you check?

Which of the following commands should be used to switch to the root user account and load root's environment variables?

Which of the following should you do after you have finished making changes to the /etc/lilo.conf file?

You are working in the vi normal mode on a file. You locate a word in the file that needs to be deleted and place your cursor at the beginning of that word. Which command should you use to delete this word without deleting the space that follows the word?

John has opened a text file named data.txt in the vi editor. He moves the cursor using the arrow keys to a position in the file where he needs to make several changes. However, when he tries to enter text nothing happens. Which of the following could be stopping John from entering text?

Which of the following must be included at the beginning of every shell script?

John is using a shell session that has a PID of 2700. He runs the su command to change to the root user account. The su process has a PID of 2757. He then runs vi from the shell prompt as a root user. The vi process has a PID of 2957. Which of the following is the PPID of the vi process?

John needs to change the permissions of a file named access.odt such that the file owner can edit the file. The sales staff who are members of the group that owns the file should be able to edit it. The sales staff who are not the owners and do not belong to the owning group can view it, but not modify it. Which of the following commands will help them do this?

You need to get specific information about the IDE hard drive in your system. Which of the following commands should you use from the shell prompt?

Jack is configuring the /etc/logrotate.d/ntp file to customize logging from the Network Time Protocol daemon on his system. He wants the archived logs to be saved using the current date in the file name extension. Which directive in the ntp file will help him accomplish this?

Which of the following specifies where the RPM Package Manager stores its database of installed packages?

John wants to get more information about the IDE hard drive in his system. Which of the following commands should he use from the shell prompt?

You are installing Linux on a system. The Linux installation process continuously locks up. Which of the following should you do first?

Which of the following is an advantage of using a graphical text editor in Linux?

Which of the following best defines the role of the Linux file system?