51. . . . . . . . . refers to incremental costs with no major impact on solution design, performance and complexity. A. Scale-out B. Scale-down C. Scale-up 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
52. Point out the correct statement. A. MapReduce tries to place the data and the compute as close as possible B. Map Task in MapReduce is performed using the Mapper() function C. Reduce Task in MapReduce is performed using the Map() function 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
53. Mapper and Reducer implementations can use the . . . . . . . . to report progress or just indicate that they are alive. A. Partitioner B. OutputCollector C. Reporter D. All 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
54. Which of the following class provides a subset of features provided by the Unix/GNU Sort? A. KeyFieldBased B. KeyFieldComparator C. KeyFieldBasedComparator D. All 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
55. . . . . . . . . part of the MapReduce is responsible for processing one or more chunks of data and producing the output results. A. Maptask B. Mapper C. Task execution 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
56. . . . . . . . . function is responsible for consolidating the results produced by each of the Map() functions/tasks. A. Reduce B. Map C. Reducer 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
57. Point out the correct statement. A. Hadoop is ideal for the analytical, post-operational, data-warehouse-ish type of workload B. HDFS runs on a small cluster of commodity-class nodes C. NEWSQL is frequently the collection point for big data 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
58. Hadoop data is not sequenced and is in 64MB to 256MB block sizes of delimited record values with schema applied on read based on . . . . . . . . A. HCatalog B. Hive C. Hbase 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
59. Point out the correct statement. A. You can specify any executable as the mapper and/or the reducer B. You cannot supply a Java class as the mapper and/or the reducer C. The class you supply for the output format should return key/value pairs of Text class 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
60. The right number of reduces seems to be . . . . . . . . A. 0.90 B. 0.80 C. 0.36 D. 0.95 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
