Data Loss Prevention (DLP) is a strategy for ensuring that team members do not send sensitive or critical information outside of the corporate network or to other team members. This could include financial information, personally identifiable information (PII) such as credit card numbers or information pertaining to Intellectual Property (IP) such as the design for a new application. It could even be extended to use cases such as barring profanity to be used in communications. Whilst Teams is a powerful application for users to be able to communicate and collaborate with guests and with other users in other Teams tenants, organisations also need to protect themselves against data leakage and the infringement of compliance regulations such as GDPR. Applying a DLP Policy to Teams is an essential step in any Teams deployment
Supervision policies in Microsoft 365 are defined as capturing employee communications for examination by designated reviewers (docs.com). In layman's this means policies can be set up for someone to review team members communications who may be disclosing sensitive information or violating HR policy in the use of profanity, racial slurs, taunts or sexually explicit language in Teams channels and private messages.
I must admit I enjoyed the security administration exam. I enjoyed studying for it. In fact, I congratulate Microsoft for introducing a Security certification which is so much more than a fundamentals exam (98-367).