What is MirrorMaker 2, and how does it help with disaster recovery or cross-region data replication in Kafka?

• A. A monitoring tool for broker performance; does not replicate data.
• B. A client library for Kafka Streams.
• C. A tool to replicate data between clusters and across regions; supports filters, transformations, and fault tolerance for DR and geo-replication.
• D. A protocol for compressing messages between clusters.

Answer: (C)