MongoDB interview questions part 14
MongoDB interview questions part 14
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Point out the correct statement :
Correct Answer is : 4 is returned when the version of the database is different from the version supported by the mongod (or mongod.exe) instance
2. Which of the following code represents exit cleanly following a large clock skew (32768 milliseconds) event ?
Correct Answer is : 47
3. 49 code is returned by mongod from _________ Service control Manager.
Correct Answer is : Linux
4. Which of the following code is returned when a MongoDB application cannot open a file ?
Correct Answer is : 45
5. Identify the message returned by MongoDB applications for Windows due to failures installing ?
Correct Answer is : Message: NT Service Error
6. Which of the following document represents uncaught exception ?
Correct Answer is : 100
7. Point out the correct statement :
Correct Answer is : Collection is a group of MongoDB documents
8. Which of the following method returns a cursor ?
Correct Answer is : find
9. Point out the wrong statement :
Correct Answer is : A single MongoDB server typically has single databases
10. _id is a ________ bytes hexadecimal number which assures the uniqueness of every document.
Correct Answer is : 12
11. Which of the following statement will insert 400 documents in to the testData collection ?
Correct Answer is : insertData("test", "testData", 400)
12. The mongo shell loads and parses the ___________ file on startup.
Correct Answer is : mongorc.js
13. To iterate the cursor and return more documents, type _________ in the mongo shell.
Correct Answer is : it
14. Which of the following key is used to denote uniqueness in the collection ?
Correct Answer is : _id
15. ___________ selects geometries that intersect with a GeoJSON geometry.
Correct Answer is : $geoIntersect
16. Point out the correct statement :
Correct Answer is : $geoWithin does not require a geospatial index
17. _________ returns geospatial objects in proximity to a point on a sphere. Requires a geospatial index.
Correct Answer is : $nearsphere
18. The __________ operator constrains the results of a geospatial $near or $nearSphere query to the specified distance.
Correct Answer is : $maxDistance
19. The _________ operator specifies a circle for a $geoWithin query.
Correct Answer is : $center
20. ________ index must exist on a field holding coordinates before using any of the geospatial query operators.
Correct Answer is : Geospatial
