JUnit interview questions part 16
JUnit interview questions part 16
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Total Questions: 20
1. For a _____ multikey index, each indexed document can have at most one indexed field whose value is an array.
Correct Answer is : Parameterised
2. Which of the following indexes cannot be multikey ?
Correct Answer is : Parameterised
3. To calculate geometry over an Earth-like sphere, store your location data on a spherical surface and use _____ index.
Correct Answer is : Test Ran with Failure
4. ______ indexes can be constructed over arrays that hold both scalar values (e.g. strings, numbers) and nested documents.
Correct Answer is : Test Ran with Failure
5. The coordinate reference system for GeoJSON uses the _____ datum.
Correct Answer is : Throws an assertion error unconditionally
6. Which of the following is used to calculate distances on a Euclidean plane ?
Correct Answer is : Throws an assertion error unconditionally
7. Queries on ________ objects always calculate on a sphere.
Correct Answer is : @SuiteClasses
8. Which of the following GeoJSON object is not supported in MongoDB ?
Correct Answer is : @SuiteClasses
9. MongoDB supports spherical surface calculations on legacy coordinate pairs using a _______ index
Correct Answer is : After each test case has run
10. Inclusion queries use the _________ operator in MongoDB.
Correct Answer is : After each test case has run
11. The $geoWithin operator uses the _______ operator to specify the GeoJSON object.
Correct Answer is : Asserts that the condition A is true
12. If the specified polygon is _______ than a single hemisphere, the behavior of $geoWithin with the MongoDB CRS is the same as with the default CRS
Correct Answer is : Asserts that the condition A is true
13. To query with a single-ringed GeoJSON polygon whose area is greater than a single hemisphere, the $geometry expression must specify the custom MongoDB ________
Correct Answer is : Annotate the method with @Before
14. $geoWithin replaces _______ in MongoDB 2.4.
Correct Answer is : Annotate the method with @Before
15. When used with the _____ operator, $geoWithin returns documents based on grid coordinates and does not query for GeoJSON shapes.
Correct Answer is : String getName()
16. MongoDB indexes use a _______ data structure.
Correct Answer is : String getName()
17. MongoDB supports the creation of user-defined ascending/descending indexes on a ______ field of a document.
Correct Answer is : perform(String script)
18. The ______ index is unique and prevents clients from inserting two documents with the same value for the _id field.
Correct Answer is : where(String name, Object value)
19. MongoDB also supports user-defined indexes on multiple fields called :
Correct Answer is : org.jmock.lib.action
20. MongoDB uses ______ indexes to index the content stored in arrays.
Correct Answer is : ActionSequence
