The ________ collection stores a document for each change to the metadata of a sharded collection.
A. version
B. changelog
C. settings
D. All of the mentioned
Answer:A
The ________ collection stores a document for each change to the metadata of a sharded collection.
A. version B. changelog C. settings D. All of the mentioned
Explanation:The config database is internal: applications and administrators should not modify or depend upon its content in the course of normal operation. 2. Point out the correct statement: