A system administrator is choosing a file system for a critical server that will handle a high volume of transactions and needs to preserve the integrity of data even in the event of unexpected shutdowns or power failures. Which feature of the following file systems would be the most crucial for this requirement?
The FAT32 file system as it's widely compatible with many operating systems
The NTFS file system with its journaling capability
The Ext4 file system with its ability to handle large volumes of data
The inference capability of the HFS file system