If the query planner selects an _________, the explain result includes a IXSCAN stage.
A. Index
B. Replica Set
C. Document
D. None of the mentioned
Answer:A
If the query planner selects an _________, the explain result includes a IXSCAN stage.
A. Index B. Replica Set C. Document D. None of the mentioned
Explanation:MongoDB runs the query optimizer to choose the winning plan for the operation under evaluation. 10. _________ which provides information on the MongoDB instance.