101-500 Free Practice Test

- (Exam Topic 4)
Which command is used to query information about the available packages on a Debian system?

1. A. apt-cache
2. B. apt-get
3. C. apt-search
4. D. dpkg
5. E. dpkg-search

Correct Answer: A

- (Exam Topic 4)
Which of the following commands are common Linux commands for file management? (Choose three correct answers.)

1. A. copy
2. B. mv
3. C. move
4. D. cp
5. E. mkdir

Correct Answer: BDE

- (Exam Topic 5)
What does the command mount --bind do?

1. A. It makes the contents of one directory available in another directory
2. B. It mounts all available filesystems to the current directory
3. C. It mounts all user mountable filesystems to the user’s home directory
4. D. It mounts all file systems listed in /etc/fstab which have the option userbind set
5. E. It permanently mounts a regular file to a directory

Correct Answer: A

- (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