Final answer:
The correct answer to the student's question about a Windows software write blocker is b) PDBLOCK, which is used to prevent data from being written to a device during a forensic analysis.
Step-by-step explanation:
The student is asking about a Windows software tool that functions as a write blocker, which is used in the field of digital forensics to prevent data from being written to a storage device, thereby ensuring that the data on the device remains unchanged during a forensic investigation. The correct answer is b) PDBLOCK, which is a software-based write-blocking tool designed to be used on a Windows operating system to allow forensic access to drives without risking contamination or alteration of the data.