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Total Questions: 20
1. ______________ documents capture relationships between data by storing related data in a single document structure.
Correct Answer is : Embedded
2. Point out the wrong statement :
Correct Answer is : All of the mentioned
3. A ____________ data model with embedded data combines all related data for a represented entity in a single document.
Correct Answer is : denormalized
4. For the __________ storage engine, if the document size exceeds the allocated space for that document, MongoDB relocates the document on disk.
Correct Answer is : MAPv3
5. With MongoDB 3.0.0,the default use of the Power of _________ Allocations minimizes the occurrences of re-allocations as well as allows for the effective reuse of the freed record space.
Correct Answer is : 2 Sized
6. ___________ strategy is used to explicitly avoid document growth.
Correct Answer is : pre-allocation
7. Each index in MongoDB requires at least _________ of data space.
Correct Answer is : 8KB
8. Which of the following information is captured by database profiler ?
Correct Answer is : All of the mentioned
9. Point out the correct statement :
Correct Answer is : All of the mentioned
10. Which of the following collection is capped ?
Correct Answer is : system.profile
11. The ___________ provides information for various lock types and lock modes held during the operation.
Correct Answer is : system.profile.locks
12. Point out the wrong statement :
Correct Answer is : None of the mentioned
13. Which of the following keyword represents lock on collection ?
Correct Answer is : Collection
14. How many types of locking modes exist in MongoDB ?
Correct Answer is : More than 3
15. Which of the following represents number of times the operation acquired the lock in the specified mode ?
Correct Answer is : system.profile.locks.acquireCount
16. __________ can be used to limit the size of the result document for a query operation.
Correct Answer is : limit()
17. Which of the following code is used for successful exit of task ?
Correct Answer is : 0
18. Point out the correct statement :
Correct Answer is : 2 is returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection
19. Instance exits cleanly is represented by ___ exit code
Correct Answer is : 4
20. Which of the follwing code is returned by mongod if a moveChunk operation fails to confirm a commit ?
Correct Answer is : 5
