How replication works in Cassandra?

Related questions

1. How does Kafka work?
2. Does Kafka need ZooKeeper?
3. What is Kafka good for?
4. How does Cassandra write data?
5. What is datacenter in Cassandra?
6. Is Kafka free?
7. Is Dynamodb based on Cassandra?
8. Is Cassandra column based?
9. Why do we need RabbitMQ?
10. Is Kafka push or pull?

Tags

1. #referred
2. #determines
3. #stores
4. #placed
5. #multiple
6. #total
7. #nodes
8. #strategy
9. #cassandra
10. #number
11. #factor
12. #replicas
13. #ensure
14. #where
15. #cluster
16. #across
17. #fault
18. #reliability
19. #replication
20. #tolerance