JUnit interview questions part 14
JUnit interview questions part 14
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Total Questions: 20
1. Command to check existence of collection is :
Correct Answer is : Black Box
2. Which of the following method is used to query documents in collections ?
Correct Answer is : Value
3. When you query a collection, MongoDB returns a ________ object that contains the results of the query.
Correct Answer is : Black Box
4. Which of the following method returns true if the cursor has documents ?
Correct Answer is : Access to more methods
5. ____________ method renders the document in a JSON-like format.
Correct Answer is : White Box
6. Which of the following method is called while accessing documents using the array index notation ?
Correct Answer is : Protected
7. The mongo shell and the drivers provide several cursor methods that call on the cursor returned by the _______ method to modify its behavior.
Correct Answer is : JUnitMatcher
8. Which of the following method corresponds to Order by clause in SQL ?
Correct Answer is : org.junit.JUnitMatchers.hasItem
9. The __________ method limits the number of documents in the result set.
Correct Answer is : java.lang.Object
10. Which of the following line skips the first 5 documents in the bios collection and returns all remaining documents ?
Correct Answer is : both
11. ___________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB.
Correct Answer is : nullValue
12. By default GridFS limits chunk size to ______ k.
Correct Answer is : hasProperty
13. When you query a GridFS store for a file, the _______ will reassemble the chunks as needed.
Correct Answer is : Property
14. Each document in the __________ collection represents a distinct chunk of a file as represented in the GridFS store.
Correct Answer is : Indexed
15. GridFS uses a _________ index on the chunks collection for the files_id and n fields.
Correct Answer is : equalToIgnoringCase
16. The ___ field contains the sequence number of the chunk.
Correct Answer is : hasEntry
17. The GridFS index allows efficient retrieval of __________ using the files_id and n values
Correct Answer is : IExpectationSetters
18. To modify an existing index, you cannot just re-issue the _________ method with the updated specification of the index.
Correct Answer is : anyTimes()
19. If you need to rebuild indexes for a collection you can use the _________ method to rebuild all indexes on a collection in a single operation.
Correct Answer is : asStub()
20. To terminate an ongoing index build, use the __________ method in the mongo shell.
Correct Answer is : times(int min, int max)
