Interview question based on skill :
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Total Questions: 20
1. Which of the following function follows the reduce method and modifies the output ?
Correct Answer is : Fault Masking
2. __________ specifies global variables that are accessible in the map
Correct Answer is : Commercial off The Shelf
3. MongoDB converts the JavaScript objects emitted by the map function to ________ objects.
Correct Answer is : Phase Test Plan
4. You can only use jsMode for result sets with fewer than 500,000 distinct key arguments to the mapper’s _______ function.
Correct Answer is : Software Test Life Cycle
5. Which of the following mode defaults to false ?
Correct Answer is : Static
6. Which of the following members should be hidden ?
Correct Answer is : Documentation
7. __________ operations cannot guarantee that the data files do not change.
Correct Answer is : Structure-based testing
8. _______ may block reads, including those necessary to verify authentication.
Correct Answer is : Dynamic
9. ________ unlocks a mongod instance to allow writes and reverses the operation of a db.fsyncLock() operation.
Correct Answer is : Negative
10. Delayed members are a ________ or a running “historical” snapshot of the data set
Correct Answer is : Positive
11. Delayed members apply operations from the _______ on a delay.
Correct Answer is : Output comparator.
12. In sharded clusters, delayed members have limited utility when the __________ is enabled.
Correct Answer is : 1.79918E+15
13. A delayed member has its priority equal to 0 and hidden equal to___________
Correct Answer is : Detect memory leaks
14. The ________ settings of replica set members affect the outcomes of elections for primary.
Correct Answer is : Re-testing
15. To modify priorities, you update the members _________ in the replica configuration object.
Correct Answer is : Semi-random
16. The _________ shell method can force the current primary to step down, which causes an election.
Correct Answer is : Technical Review
17. If the oplog is shorter than the slaveDelay window, the _______ member cannot successfully replicate operations.
Correct Answer is : Anomalous conditions requiring special processing
18. _________ members allow you to add additional members for read distribution beyond the maximum seven voting members.
Correct Answer is : Rules
19. Remove the secondary from the replica set by calling ___________ method.
Correct Answer is : Aspect Oriented Programming
20. ______ returns basic help text for replica set functions.
Correct Answer is : Advice
