Linux+ Practice Quiz: XK0-004 Quiz 5

1. The enp2s0 network interface has already been assigned the IP configuration 172.16.1.123/16.

Which command would you use to temporarily configure a second IP address of 192.168.0.123/24 for this network interface?

• ipconfig enp2s0 192.168.0.123/24
• ipconfig enp2s1 192.168.0.123/24
• ip addr add 192.168.0.123/24 dev enp2s0
• ifconfig enp2s0 192.168.0.123/24

2. A user calls the help desk to report that she is unable to connect to the network after an upgrade of her Linux operating system. You suspect the problem is related to the network configuration.

Which commands could you use to quickly see the current IP address(es) assigned to her computer? (Choose TWO)

• ip addr show
• ifconfig -a
• network -a
• netstat -a
• host

3. Which of the following commands creates a logical volume named video from the home volume group and configures it with 2 TB of disk space?

• vgcreate -L 2T -n video home
• lvcreate -L 2T -n home video
• lvcreate -L 2T -n video home
• vgcreate -L 2T -n home video

4. You have previously installed the package mplayer and wish to remove it from your computer. Which of the following removal methods should you use?

• Run the command tar -e mplayer.
• Run the command rpm -e mplayer.
• Run the command erase -r mplayer.
• Locate the files for mplayer and delete them.

5. Which of the following nano text editor features makes it easier for beginners to learn than the vi text editor?

• The software falls under the GNU General Public License.
• There are multiple operational modes.
• Keyboard shortcuts are displayed at the bottom of the editor.
• It is included in most Linux distributions.

6. Which of the following vi key combinations should you press while in Insert Mode to save the file you are working on and quit?

• s
• :q
• S
• :wq

7. You manage a Linux server that occasionally needs to provide ftp services at irregular intervals. To save on resources, you want to have the ftp server service running only when it is needed, and stopped the rest of the time.

Which of the following solutions would satisfy these requirements and require the LEAST amount of effort?

• Enable the ftp service to be managed by the xinetd service.
• Manually start and stop the ftp service at regular intervals.
• Write a shell script that starts the ftp server at random times.
• Create a link to the ftp services init script in the /etc/rc3.d directory.

8. Which is the most correct description for 3DES?

• 3DES is a very secure mode of the DES algorithm encryption method that encrypts data three times using a 168-bit key.
• 3DES is a third-generation version of DES, the Data Encryption Standard cipher.
• 3DES is derived from Microsoft's Windows Encrypted File System (EFS).
• 3DES means running the DES algorithm three times for maximum encryption.

9. Which of the following statements BEST describes the PATH environment variable?

• It specifies the characters the shell uses to indicate normal user ($), root user (#), and similar items.
• It contains the path of the current working directory.
• It contains the directory prefixes used to search for programs and files.
• It specifies the filename where past commands are stored.

10. You want the directory /sbin/special to be include in the PATH environment variable. You also want to keep all the current directory entries currently in the PATH variable.

Which of the following commands would you use?

• PATH=$PATH:/sbin/special
• PATH=$PATH:$/sbin/special
• PATH=/sbin/special
• PATH=PATH&/sbin/special