Explanation:For range-based sharding, MongoDB divides the data set into ranges determined by the shard key values to provide range based partitioning. 6. Production sharded clusters have exactly ______ config servers.
A. 1
B. 2
C. 3
D. 4
Answer:A
Explanation:For range-based sharding, MongoDB divides the data set into ranges determined by the shard key values to provide range based partitioning. 6. Production sharded clusters have exactly ______ config servers.
A. 1 B. 2 C. 3 D. 4
Explanation: Do not deploy production clusters without 3 config servers. 7. A _________ key is either an indexed field or an indexed compound field that exists in every document in the collection.