9. Kafka Security Questions¶ 5 questions. 9.1. How does Kafka handle SSL/TLS encryption? 9.2. What is the role of Kafka’s SASL authentication? 9.3. How does Kafka handle role-based access control (RBAC)? 9.4. What is the role of Kafka’s authorizer.class.name configuration? 9.5. How does Kafka handle data encryption at rest?