Hadoop interview questions part 46
Hadoop interview questions part 46
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Total Questions: 20
1. Spark includes a collection over ________ operators for transforming data and familiar data frame APIs for manipulating semi-structured data.
Correct Answer is : 80
2. Spark is engineered from the bottom-up for performance, running ___________ faster than Hadoop by exploiting in memory computing and other optimizations.
Correct Answer is : 100x
3. Spark powers a stack of high-level tools including Spark SQL, MLlib for :
Correct Answer is : machine learning
4. Which of the following interface is implemented by Sqoop for recording ?
Correct Answer is : SqoopRecord
5. Point out the correct statement :
Correct Answer is : Interface FieldMappable is used for mapping of field
6. Sqoop is an open source tool written at ________
Correct Answer is : Microsoft
7. Sqoop uses _________ to fetch data from RDBMS and stores that on HDFS.
Correct Answer is : Map reduce
8. Point out the wrong statement :
Correct Answer is : All of the mentioned
9. _________ allows users to specify the target location inside of Hadoop.
Correct Answer is : Sqoop
10. Microsoft uses a Sqoop-based connector to help transfer data from _________ databases to Hadoop
Correct Answer is : SQL Server
11. __________ provides a Couchbase Server-Hadoop connector by means of Sqoop.
Correct Answer is : MemCache
12. Sqoop direct mode does not support imports of ______ columns
Correct Answer is : All of the mentioned
13. Sqoop has been tested with Oracle ______ Express Edition.
Correct Answer is : 10.2.0
14. _________ tool can list all the available database schemas.
Correct Answer is : sqoop-list-databases
15. Point out the correct statement :
Correct Answer is : The sqoop command-line program is a wrapper which runs the bin/hadoop script shipped with Hadoop
16. Data can be imported in maximum ______ file formats.
Correct Answer is : 2
17. ________ text is appropriate for most non-binary data types.
Correct Answer is : Delimited
18. Point out the wrong statement :
Correct Answer is : By default, data is is compressed while importing
19. If you set the inline LOB limit to ________ all large objects will be placed in external storage.
Correct Answer is : 0
20. ________ does not support the notion of enclosing characters that may include field delimiters in the enclosed string.
Correct Answer is : Hive
