Linux+ Practice Quiz: XK0-005 Quiz 13

1. Which of the following actions defines a persistent alias?

• Adding the command defining the alias to the /etc/default/alias.conf file.
• Adding the command defining the alias to the appropriate shell configuration file.
• Adding the command defining the alias to the $ALIAS environment variable.
• Using the alias command at the shell prompt with the -P option.

2. You have created a listgroups alias that you now want to remove. Which of the following commands will remove the alias?

• unalias -a listgroups
• unalias listgroups
• unalias -a "listgroups"
• unalias "listgroups"

3. Which of the following commands can you use to combine the content of three files into a single text stream?

• nl
• cut
• pr
• cat

4. Which of the following commands displays the attributes of the /boot/grub/grub.conf file?

• lsattr /boot/grub/grub.conf
• ls -l /boot/grub/grub.conf
• cat /boot/grub/grub.conf
• vi /boot/grub/grub.conf

5. You have created a project_ln soft link and now want to remove the link from your Linux file system. Which of the following commands will remove the soft link?

• unlink -s project_ln
• unlink "project_ln"
• unlink project_ln
• unlink -l project_ln

6. Which of the following is a characteristic of a symbolic link?

• Dash (-) as the first character in the permission string.
• Distinct (non-duplicate) inode
• Indistinguishable from the original linked file.
• Valid pointer to the linked file's data even if the original linked file is deleted.

7. A file contains the following entry:

sales:x:1001:pclark,mmckay,hsamson

Which of the following files contains this type of entry?

• /etc/gshadow
• /etc/shadow
• /etc/group
• /etc/passwd

8. The following line is a sample entry in the /etc/shadow file:

lclark:$ab7Y56gu9bs:12567:0:99999:7:::

What does the second field represent?

• The user's encrypted password
• The user's GUID number
• The user's UID number
• The user's unencrypted password

9. Which of the following is the full path and filename of the file that contains information about which interrupt request (IRQ) channels are being used by each hardware device on the system?

• /proc/irq
• /proc/devices
• /proc/interrupts
• /proc/dma

10. Which of the following commands identifies dependency information for all modules and displays the results on the screen without creating a file with the dependency information?

• depmod -an
• depmod -a
• modinfo -an
• modinfo -a