41. Which of the following phases occur simultaneously? A. Shuffle and Sort B. Reduce and Sort C. Shuffle and Map D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
42. Point out the wrong statement. A. Hadoop has a library package called Aggregate B. Aggregate allows you to define a mapper plugin class that is expected to generate "aggregatable items" for each input key/value pair of the mappers C. To use Aggregate, simply specify "-mapper aggregate" D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
43. Which of the following class is provided by the Aggregate package? A. Map B. Reducer C. Reduce D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
44. . . . . . . . . systems are scale-out file-based (HDD) systems moving to more uses of memory in the nodes. A. NoSQL B. NewSQL C. SQL D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
45. . . . . . . . . are highly resilient and eliminate the single-point-of-failure risk with traditional Hadoop deployments. A. EMR B. Isilon solutions C. AWS D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
46. . . . . . . . . is the default Partitioner for partitioning key space. A. HashPar B. Partitioner C. HashPartitioner D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
47. . . . . . . . . is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. A. Hadoop Strdata B. Hadoop Streaming C. Hadoop Stream D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
48. HBase provides . . . . . . . . like capabilities on top of Hadoop and HDFS. A. TopTable B. BigTop C. Bigtable D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
49. The output of the . . . . . . . . is not sorted in the Mapreduce framework for Hadoop. A. Mapper B. Cascader C. Scalding D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
50. HDFS and NoSQL file systems focus almost exclusively on adding nodes to . . . . . . . . A. Scale out B. Scale up C. Both Scale out and up D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
