which one of the following is false about hadoop

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  • Postado em 19 de dezembro, 2020


    (B) a) True. Only one distributed cache file can be used in a Map Reduce job. C. Hadoop is an open source software framework. (B) a) True . b) IntWritable . b) core-site.xml. This set of Multiple Choice Questions & Answers (MCQs) focuses on “Big-Data”. B. Hadoop breaks a big data problem down into subproblems. Big Data - Quiz 1. 28. 42. Statement 2: Task tracker is the MapReduce component on the slave machine as there are multiple slave machines. C. Hadoop is an open source software framework. 45. Which command is used to check the status of all daemons running in the HDFS. Answers to all these Hadoop Quiz Questions are also provided along with them, it will help you to brush up your Knowledge. Which of the following statements about Hadoop is FALSE? B. Hadoop combines results into a smaller data set that is easier to analyze. (B) a) True . ... Only one distributed cache file can be used in a Map Reduce job. (C ) a) hdfs-site.xml. 43. 1. Below is some multiple choice Questions corresponding to them are the choice of answers. A. Hadhoop enables distributed parallel processing of huge amounts of data across inexpensive computers. HaDoop does not have indicies so the entire dataset is copied in the join operation. A. Hadoop enables distributed parallel processing of huge amounts of data across inexpensive computers. b) False. Hope these questions are helpful for you. Which of the following writables can be used to know value from a mapper/reducer? Which one of the following is false about Hadoop ? Which of following statement(s) are true about distcp command? 44. This quiz will help you to revise the concepts of Apache Hadoop and will build up your confidence in Hadoop. 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. 1. Hadoop Framework is written in (a) Python (b) C++ (c) Java (d) Scala 3. B - One of them is active while the other one remains powered off. A - When a client request comes, one of them chosen at random serves the request. b) False . Which of the following statements is NOT a characteristic of Hadoop? T/F: Hadoop is not recommended to company with small amount of data but it is highly recommended if this data requires instance analysis. After learning to Hadoop try your hands on Apache Hadoop MCQs and get to know your learning so far. Consider the following statements: Statement 1: The Job Tracker is hosted inside the master and it receives the job execution request from the client. Which of the following statements is NOT a characteristic of Hadoop? D. Hadoop breaks a big data problem down into sub-problems. D - The standby node takes periodic checkpoints of active namenode’s namespace. Which of the following Hadoop config files is used to define the heap size? D. Hadoop breaks a big data problem down into sub-problems. (p199) a. Hadoop extracts data from multiple tables that have a relationship b. Hadoop breaks a big data problem down into subproblems c. Hadoop enables distributed parallel processing of huge amounts of data across inexpensive computers d. b) False . B. Hadoop combines results into a smaller data set that is easier to analyze. (C) a) Text . Objective. (a) It is a distributed framework (b) The main algorithm used in it is Map Reduce (c) It runs with commodity hard ware (d) All are true 2. ... False, if source and destination are in same cluster. c) Nullwritable . Which of the following statements about Hadoop is FALSE? A. Hadoop enables distributed parallel processing of huge amounts of data across inexpensive computers. C - Datanodes send block reports to only one of the namenodes. Distributed cache files can’t be accessed in Reducer. C. Hadoop extracts data from multiple tables that have a relationship. d) String . 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