Explanation:When using MMAPv1, if your applications require updates that will frequently cause document growth to exceeds the current power of 2 allocation, you may want to refactor your data model to use references between data in distinct documents rather than a denormalized data model. 9. ___________ strategy is used to explicitly avoid document growth.
A. deallocation
B. allocation
C. pre-allocation
D. None of the mentioned
Answer:A
Explanation:When using MMAPv1, if your applications require updates that will frequently cause document growth to exceeds the current power of 2 allocation, you may want to refactor your data model to use references between data in distinct documents rather than a denormalized data model. 9. ___________ strategy is used to explicitly avoid document growth.
A. deallocation B. allocation C. pre-allocation D. None of the mentioned
Explanation:A data model that embeds related data in a single document facilitates atomic operations. 10. Each index in MongoDB requires at least _________ of data space.