You have chosen a DLP solution. Which Content Analysis Technique is NOT a viable technique?

Real$-$Time Database Scanning: scans your databases for non$-$authorized record reads, writes, and deletions.

Exact file matching: file matching that takes a hash of a file and monitors any files that match that fingerprint.

Conceptual Analysis: analyzes documents, databases, and other known sources.

Categories: pre$-$built rules and dictionaries for common types of sensitive data.