Select the correct statement :

In which format MongoDb store the data.

Select the wrong statement :

Select the correct statement:

How many types of sharding exist in MongoDB ?

_______ scaling adds more CPU and storage resources to increase capacity.

Select the wrong statement :

_______ divides the data set and distributes the data over multiple servers, or shards.

To provide high availability and data consistency, in a production sharded cluster, each shard is a :

_______ may block reads, including those necessary to verify authentication.