22. 28. Point out the correct statement. C. Each DataNode registers with all the NameNodes. Which of following statement(s) are true about distcp command? Technical skills are not required to run and use Hadoop. d. Hadoop includes a query language called Big. (C ) a) hdfs-site.xml. b. Answers to all these Hadoop Quiz Questions are also provided along with them, it will help you to brush up your Knowledge. a) Hadoop do need specialized hardware to process the data b) Hadoop 2.0 allows live stream processing of real-time data c) In Hadoop programming framework output files are divided into lines or records d) None of the mentioned View Answer Objective. b) core-site.xml. Which of the following statements about Hadoop is FALSE? False. B. Hadoop combines results into a smaller data set that is easier to analyze. Which of the following Hadoop config files is used to define the heap size? 1. A. Hadoop enables distributed parallel processing of huge amounts of data across inexpensive computers. D. Hadoop breaks a big data problem down into sub-problems. Which one of the following statements is FALSE regarding the communication between DataNodes and a federation of NameNodes in Hadoop 2.0? Each DataNode receives commands from one designated master NameNode. a. Hadoop is an open source program that implements MapReduce. 27. Read the statement and select the correct option: ( B) It is necessary to default all the properties in Hadoop config files. Which of following statement(s) are true about distcp command? d) Slaves. Statement 2: Task tracker is the MapReduce component on the slave machine as there are multiple slave machines. b) False . True or False. For companies addressing the challenges of managing big data, the Hadoop framework frequently comes up as a potential technology to implement. Which of the following Hadoop config files is used to define the heap size? Read the statement and select the correct options: ( A) distcp command ALWAYS needs fully qualified hdfs paths. 23. (C ) a) hdfs-site.xml. Consider the following statements: Statement 1: The Job Tracker is hosted inside the master and it receives the job execution request from the client. c) True, if source and destination are in same cluster . a) True. This Hadoop MapReduce test will consist of more of amateur level questions and less of the basics, so be prepared. c) hadoop-env.sh. Best Hadoop Objective type Questions and Answers. 2. C. Hadoop is an open source software framework. b) False. 24. c. Hadoop is written in C++ and runs on Linux. The High-performance computing (HPC) uses many computing machines to process large volume of data stored in a storage area network (SAN). A. d) False, if source and destination are in same cluster . Encompassing more than a single tool, the Hadoop ecosystem involves various open source technologies in addition to the core distributed computing software. 28. b) core-site.xml. Which of the following statements is true of Hadoop? Hadoop Mock Test I Q 1 - The concept using multiple machines to process data stored in distributed system is not new. Naresh IT: Best Software Training Institute for PL SQL Objective Questions 1 , Provides PL SQL Objective Questions 1 Course, Classes by Real-Time Experts with Real-Time Use cases, Certification Guidance, Videos, course Materials, Resume and Interview Tips etc. ... False, if source and destination are in same cluster. B. DataNodes send periodic heartbeats to all the NameNodes. This Apache Hadoop Quiz will help you to revise your Hadoop concepts and check your Big Data knowledge.It will increase your confidence while appearing for Hadoop interviews to land your dream Big Data jobs in India and abroad. a) True . 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The communication between DataNodes and a federation of NameNodes in Hadoop config files is used to define the heap?...