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:
A. Pre-splitting the chunk ranges in an empty sharded collection allows clients to insert data into an already partitioned collection
B. MongoDB cannot create enough chunks or distribute data fast enough to support required throughput
C. Chunk migration does not require copying all the data in the chunk from one shard to another
D. All of the mentioned
Answer:A
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:
A. Pre-splitting the chunk ranges in an empty sharded collection allows clients to insert data into an already partitioned collection B. MongoDB cannot create enough chunks or distribute data fast enough to support required throughput C. Chunk migration does not require copying all the data in the chunk from one shard to another D. All of the mentioned
Explanation:In most situations a sharded cluster will create and distribute chunks automatically without user intervention. 3. MongoDB provides the _________ command to combine contiguous chunk ranges into a single chunk.