JUnit interview questions part 19
JUnit interview questions part 19
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Total Questions: 20
1. Dynamic schema in MongoDB makes ____________ easier for applications.
Correct Answer is : a=true, b=true, c=true and a=false, b=false, c=false
2. With ________ MongoDB supports a complete backup solution and full deployment monitoring.
Correct Answer is : a=true, b=true, c=true and a=false, b=false, c=false
3. For each _______ the Kerberos Key Distribution Center (KDC) maintains a database of the realm’s principal and the principals’ associated “secret keys”.
Correct Answer is : Modified Condition/decision coverage
4. For a client-server authentication, the client requests from the KDC a ________ for access to a specific asset.
Correct Answer is : Modified Condition/decision coverage
5. To authenticate using Kerberos, you must add the Kerberos user principals to MongoDB to the _________ database.
Correct Answer is : Multiple condition coverage
6. To specify a different value for , use ________ during the start up of mongod.
Correct Answer is : Multiple condition coverage
7. Linux systems can store Kerberos authentication keys for a service principal in ______ files.
Correct Answer is : Parameter Value Coverage
8. On Linux, MongoDB clients can use Kerberos’s _______ program to initialize a credential cache for authenticating the user principal to servers.
Correct Answer is : Parameter Value Coverage
9. The MongoDB _________ Console interface does not support Kerberos authentication.
Correct Answer is : Safety Critical
10. Which of the following database command is used for mapreduce function ?
Correct Answer is : Safety Critical
11. MongoDB applies the _____ phase to each input document in mapreduce.
Correct Answer is : Parameter Value Coverage
12. MongoDB applies the _________ phase, which collects and condenses the aggregated data.
Correct Answer is : Parameter Value Coverage
13. The output of the reduce function may pass through a ______ function to further condense or process the results of the aggregation.
Correct Answer is : Basis Path Testing
14. _________ can return the results of a map-reduce operation as a document, or may write the results to collections.
Correct Answer is : Basis Path Testing
15. Map-reduce uses custom __________ functions to perform the map and reduce operations
Correct Answer is : State coverage
16. For most aggregation operations, the ______ Pipeline provides better performance and more coherent interface.
Correct Answer is : State coverage
17. What would be the maximum document size for results of mapreduce operation ?
Correct Answer is : Regression testing
18. The _____ JavaScript engine allows multiple JavaScript operations to execute at the same time.
Correct Answer is : Equivalence Partitioning
19. If the ______ field for mapReduce has the sharded value, MongoDB shards the output collection using the _id field as the shard key.
Correct Answer is : V shaped
20. In MongoDB ______ ,mongos retrieves the results from each shard, performs a merge sort to order the results
Correct Answer is : Coverage measurement
