Complete Apache Kafka course: from pub/sub basics to advanced topics like exactly-once semantics and multi-DC replication. Installation and administration, producer/consumer API (Java + Python), Kafka Streams (DSL + Processor API), KSQL (streaming SQL), Kafka Connect (source/sink connectors), Schema Registry, offset and consumer group management, Prometheus/Grafana monitoring, Kafka security (SASL, SSL, ACL), performance tuning, disaster recovery. Prepares for the Kafka Administrator role.