After Running the Command Umount /Mnt, the Following Error Message

question 189

Multiple Choice

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?

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

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