Explanation:A replica set consists of two or more copies of the data. 2. Point out the correct statement :
A. MongoDB cannot be used as a file system
B. MongoDB can run over single servers only
C. Embedded documents and arrays reduce need for joins
D. None of the mentioned
Answer:A
Explanation:A replica set consists of two or more copies of the data. 2. Point out the correct statement :
A. MongoDB cannot be used as a file system B. MongoDB can run over single servers only C. Embedded documents and arrays reduce need for joins D. None of the mentioned
Explanation:MongoDB can run over multiple servers, balancing the load and/or duplicating data to keep the system up and running in case of hardware failure. 3. ___________ replicas maintain a copy of the data on the primary using built-in replication.