正解:D
In forensic investigations, maintaining the integrity of the evidence is crucial. The chain of custody is a process that ensures that evidence has been collected, preserved, and transferred in a manner that is legally defensible.
Valid license: Refers to software licensing, irrelevant in this context.
Data retention requirements: Policies for how long data should be kept, but not specifically related to tracking forensic evidence.
Material safety data sheet: Documentation for handling hazardous materials, not applicable here.
Chain of custody: The correct process for documenting the handling and transfer of evidence to maintain its integrity and admissibility in court.