101-500 Free Practice Test

- (Exam Topic 3)
Which of the following files, located in the user home directory, is used to store the Bash history?

1. A. .bash_history
2. B. .bash_histfile
3. C. .history
4. D. .bashrc_history
5. E. .history_bash

Correct Answer: A

- (Exam Topic 4)
After running the command umount /mnt, the following error message is displayed: umount: /mnt: device is busy.
What is a common reason for this message?

1. A. The kernel has not finished flushing disk writes to themounted device.
2. B. A user has a file open in the /mnt directory.
3. C. Another file system still contains a symlink to a file inside /mnt.
4. D. The files in /mnt have been scanned and added to the locate database.
5. E. The kernel thinks that a process is about toopen a file in /mnt for reading.

Correct Answer: B

- (Exam Topic 1)
Which of the following statements is correct when talking about /proc/?

1. A. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
2. B. All files within /proc/ are read-only and their contents cannot be changed.
3. C. All changes to files in /proc/ are immediately recognized by the kernel.
4. D. All files within /proc/ are only readable by the root user.

Correct Answer: C

- (Exam Topic 2)
What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

1. A. To create RAID 9 arrays.
2. B. To dynamically change the size of logical volumes.
3. C. To encrypt logical volumes.
4. D. To create snapshots.
5. E. To dynamically create or delete logical volumes.

Correct Answer: BDE

- (Exam Topic 4)
The system configuration file named _____ is commonly used to set the default runlevel. (Please provide the file name with full path information)
Solution:
/etc/inittab

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A