JUnit interview questions part 7
JUnit interview questions part 7
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Total Questions: 20
1. Data of .system.indexes can be accessed using :
Correct Answer is : Coverage
2. You must have the __________ action on a role’s database to grant the role to another user.
Correct Answer is : Coarse grained
3. Command listIndexes.ok returning value 1 indicates :
Correct Answer is : Regressions
4. MongoDB provides high ____________ with replica sets.
Correct Answer is : Vertical
5. ___________ replicas maintain a copy of the data on the primary using built-in replication.
Correct Answer is : Refactoring
6. MongoDB scales horizontally using _________ for load balancing purpose.
Correct Answer is : Change
7. MongoDB can be used as a ____________, taking advantage of load balancing and data replication features over multiple machines for storing files.
Correct Answer is : YAGNI
8. _____________ can be used for batch processing of data and aggregation operations.
Correct Answer is : You aren’t gonna need it
9. MongoDB supports fixed-size collections called ____________ collections.
Correct Answer is : DTSTTCPW
10. MongoDB uses a ____________ lock that allows concurrent read access to a database but exclusive write access to a single write operation.
Correct Answer is : Hamcrest
11. Which of the following sorting is not supported by MongoDB ?
Correct Answer is : Testing
12. _________ is a binary serialization format used to store documents and make remote procedure calls in MongoDB.
Correct Answer is : org.junit.Assert.assertThat
13. Which of the following data type is depreciated ?
Correct Answer is : Anything
14. Each data type has a corresponding number that can be used with the _______ operator to query documents by BSON type.
Correct Answer is : is
15. MongoDB represents queries as ___________ objects.
Correct Answer is : allOf
16. There is _________ byte counter in BSON, starting with a random value
Correct Answer is : anyOf
17. In the mongo shell, you can access the creation time of the ObjectId, using the ______ method..
Correct Answer is : not
18. __________ returns the JavaScript representation in the form of a string literal
Correct Answer is : isCompatibleType
19. Which of the following query is used to generate a new ObjectId, use the ObjectId() constructor with no argument
Correct Answer is : sameInstance
20. Which of the following collections work in a way similar to circular buffers ?
Correct Answer is : TRUE
