Answer:Based on the provided descriptions, the correct matching of integrity errors is as follows:
a. A series of used clusters on the hard disk drive: 4. Cross-linked file
b. When two files claim the same cluster: 2. Orphaned files
c. Files that exist on the hard drive, but are not associated with a directory in the index: 1. Lost clusters that are not associated with a specific file.
d. A portion of the hard disk that cannot be used: 3. Bad sector
In summary:
- Cross-linked files occur when two files claim the same cluster.
- Orphaned files are lost clusters that are not associated with a specific file.
- Bad sectors are portions of the hard disk that cannot be used.
When running a disk check, it detects these integrity errors and performs appropriate fixes to ensure the integrity and functionality of the hard disk drive