Linux+ Practice Quiz: XK0-005 Quiz 20

1. A shell script developer knows that the date +%A command gives the current local weekday name (Sunday, Monday, Tuesday, ...).

Which of the following commands will copy the authentication log file, /var/log/auth.log, to a new file with a filename that includes the current local weekday name?

• cp /var/log/auth.log ~/auth$(date +%A).log
• tee /var/log/auth.log > date +%A -log
• xargs /var/log/auth.log ~/auth$(date +%A).log
• cp /var/log/auth.log ~/auth${date +%A}.log

2. Which of the following is a characteristic of a hard link?

• Valid inode for the file data even if the original filename is deleted.
• Works across volumes and file systems.
• Distinct (non-duplicate) inode.
• Lowercase L (l) as the first character in the permission string.

3. Which of the following commands is the FASTEST method of searching a file for fixed strings rather than regular expressions?

• fgrep
• grep -F
• egrep
• grep -E

4. An application named ABCD is generating system errors when it starts. Which of the following commands searches the system message log file for these errors?

• tail -n25 /var/log/messages
• grep ABCD /var/log/messages
• top /var/log/ABCD.log
• tail -n25 /var/log/ABCD.log

5. Which of the following commands will display the current locale setting for the numeric values that are not monetary?

• echo LC_MEASUREMENT
• echo $LC_NUMERIC
• echo $LC_MEASUREMENT
• echo LC_NUMERIC

6. Which of the following has a process ID (PID) of 1?

• The initial process
• The BIOS
• The bootloader
• The OS kernel

7. You are experiencing a problem with one particular server. Each time it boots, it goes into single-user mode even though no warnings or errors are reported. You want to verify that it is configured to boot to the multi-user.target unit, just as all your other servers are. This system is running systemd.

Which command would you use to see which boot target is set as the default?

• systemctl get-default
• systemctl isolate multi-user.target
• systemctl get-default boot.target
• systemctl set-default multi-user.target

8. Which of the following is responsible for bringing up other units and services when boot targets are changed?

• systemctl
• service
• init
• systemd

9. Which of the following desktops is the default for many Linux distributions, such as Fedora and Ubuntu?

• Unity
• GNOME
• KDE
• MATE

10. Which of the following are popular Linux desktops? (Choose five)

• GNOME
• Unity
• Cinnamon
• Mate
• KDE
• Grub
• NX
• SPICE
• KNOPPIX