Which actions will trigger partition rebalance for a consumer group? (select three)

Which actions will trigger partition rebalance for a consumer group? (select three)
A . Increase partitions of a topic
B . Remove a broker from the cluster
C . Add a new consumer to consumer group
D . A consumer in a consumer group shuts down
Add a broker to the cluster

Answer: A,C,D

Explanation:

Rebalance occurs when a new consumer is added, removed or consumer dies or paritions increased.