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In hdfs the distributed cache is used in which of the

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22. In HDFS the Distributed Cache is used in whichof the followinga. Mapper phase onlyb. Reducer phase onlyc. In either phase, but not on both sidessimultaneouslyd. In either phaseAnswer: d
23. Which of the following type of joins can beperformed in Reduce side join operation?
24. A Map reduce function can be written:
25. In the map is there any input format?
26. Which MapReduce phase is theoretically able to utilize features of the underlying file system in order tooptimize parallel execution?a. Splitb.Mapc. Combined.ReduceAnswer: a
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2227. Which method of the FileSystem object is usedfor reading a file in HDFS
28. The world’s largest Hadoop cluster.
29. The Big Data Tackles Facebook are based onon________ Hadoop.
30. Which SequenceFile are present in Hadoop I/O?a. 2b. 8c. 9d. 3Answer: c
31. slowest compression technique is ______
32. Which of the following is a typicallycompresses files which are best availabletechniques.10% to 15 %.
33. Which of the following is provides searchtechnology? and Java-based indexing
34. Are defined with Avro schemas _____a. JAVAb. XML
c. All of the mentionedd. JSONAnswer: d35. _________ of the field is used to Thriftresolves possible conflicts.

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Term
Fall
Professor
Mido
Tags
Hadoop

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