: If this is part of a larger backup set, ensure you have the accompanying metadata or database files often required to restore the full session.

The .mkv extension indicates that this is a Matroska Video file, a high-quality multimedia container that can hold multiple video, audio, and subtitle tracks.

This file name appears to refer to a specific backup or episode of the series, likely Episode 120 . This series is often associated with technical or procedural real estate training.