Explanation:When a primary replica fails, the replica set automatically conducts an election process to determine which secondary should become the primary. 4. MongoDB scales horizontally using _________ for load balancing purpose.
A. Replication
B. Partitioning
C. Sharding
D. None of the mentioned
Answer:A
Explanation:When a primary replica fails, the replica set automatically conducts an election process to determine which secondary should become the primary. 4. MongoDB scales horizontally using _________ for load balancing purpose.
A. Replication B. Partitioning C. Sharding D. None of the mentioned
Explanation:The user chooses a shard key, which determines how the data in a collection will be distributed. 5. Point out the wrong statement :