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.
A. cluster
B. shard
C. partition
D. All of the mentioned
Answer:A
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.
A. cluster B. shard C. partition D. All of the mentioned
Explanation:Sharding partitions a collection’s data by the shard key. 8. To divide the shard key values into chunks, MongoDB uses _____ based partitioning.