Interview question based on skill :
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Total Questions: 20
1. If the collection is empty then MongoDB will create the index as part of the ________
Correct Answer is : White Box Testing
2. Changing the _______ option will change the port that mongod listens for incoming connections on.
Correct Answer is : Number of mutants killed
3. The _____________ collection holds documents for each tagged shard key range in the cluster.
Correct Answer is : Reach
4. Administrators can implement collection-level access control through user-defined :
Correct Answer is : Infect
5. User can grant any role in the database to any user from any database in the system through _________ action.
Correct Answer is : Propagate
6. User can remove any role from any user from any database in the system through _________ .
Correct Answer is : RIP
7. _________ terminates an operation as specified by the operation ID.
Correct Answer is : Coupling effect
8. _________ deletes from a shard the orphaned documents whose shard key values fall into a single continuous range.
Correct Answer is : cobertura-merge.bat
9. Which of the following flushes user information from in-memory cache ?
Correct Answer is : Dependencies
10. __________ displays the cached query plans for the specified query shape.
Correct Answer is : Objects
11. A query may include a ___________ that specifies the fields from the matching documents to return.
Correct Answer is : Law of Demeter
12. MongoDB stores all documents in :
Correct Answer is : Singleton
13. In MongoDB, _________ operations modify the data of a single collection.
Correct Answer is : Global State
14. Which of the following operation adds a new document to the users collection ?
Correct Answer is : Polymorphism
15. Which of the following preference determines how the client direct read operations to the set ?
Correct Answer is : Inheritence
16. Applications can also control the behavior of write operations using _______ concern.
Correct Answer is : Composition
17. MongoDB process collection of documents using _________ operations.
Correct Answer is : switch
18. Which of the following pipeline is used for aggregation in MongoDB ?
Correct Answer is : org.junit.runners
19. Which of the following collection do not support the TTL property ?
Correct Answer is : org.junit.internal.runners.Junit38ClassRunner
20. If the indexed field in a document is not a _____ or an array that holds a date value(s), the document will not expire.
Correct Answer is : It is a design pattern that provides a unified interface to a set of interfaces in a subsystem
