Point out the correct statement.
(a) The shard key determines the distribution of the collection’s documents among the cluster’s shards
(b) The shard key is either an indexed field or an indexed compound field that exists in every document in the collection
(c) Each range, or chunk, defines a non-overlapping range of shard key values
(d) All of the mentioned
This question was posed to me in semester exam.
The question is from Sharded Cluster Behavior in division Sharding Concepts, Mechanics and Sharded Cluster of MongoDB