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