Data/knowledge management is broad. Anyway you can get into specifics about situations in which you gained knowledged.
You can keep it high level.
We all just trying to learn
The basic explanation of my job is managing and protecting client/firm files, documents, electronic information, physical records intake and disposition, oversight of all aspects of the information workflow and lifecycle. Risk management and Compliance. I know it's a broad description but my day to day varies. This involves data transfers (secure Data Transfer and storage, archiving, monitoring), encryptions, data access, legal holds- the management of confidential, sensitive information in accordance with legal requirements or policies; ensure third party compliance with privacy and security requirements.
This is an example of a cert related to this specific aspect of my job on the Data Governance aspect:
https://cdn.ymaws.com/www.arma.org/resource/resmgr/files/IGP/igp-candidate-handbook.pdf
Then there's the Technology part of the position. (.cont)