Your question is Using mTLS for Service Security. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Explain the role of mTLS in securing service-to-service communication for MongoDB’s distributed services.
Discuss how mutual certificate validation provides workload authentication and encryption between components such as mongod, mongos, config servers, and supporting control-plane services. Cover certificate issuance, rotation, revocation, failure behavior, and the monitoring needed to detect authentication failures or unauthorized connections.