Since HDFS does not have a head function, you can call -cat but pipe the results through the Linux system’s head function to cut off the output stream at the number of lines you want to review. Practice Hadoop Basics MCQs Online Quiz Mock Test For Objective Interview. Learn Hadoop Basics Multiple Choice Questions and Answers with explanations. Distributed file system JAX-RS Relational Database Management System Java Message Service 8. 4. The following steps describe how to setup a server with both a Spark node and a Cassandra node. Through this Big Data Hadoop quiz, you will be able to revise your Hadoop concepts and check your Big Data knowledge to provide you confidence while appearing for Hadoop interviews to land your dream Big Data jobs in India and abroad.You will also learn the Big data concepts in depth through this quiz of Hadoop tutorial. Which of the following genres does Hadoop produce ? All of the following accurately describe Hadoop, EXCEPT _____ a) Open-source b) Real-time c) Java-based d) Distributed computing approach View Answer. You have to select the right answer to every question. Hadoop MCQ Questions 2020: We have listed here the Best Hadoop MCQ Questions for your basic knowledge of Hadoop. Which of the following genres does Hadoop produce ? Distributed file system B. JAX-RS C. Java Message Service D. JSP ANSWER: A 6. 1. Spark is a recent Hadoop successor and it looks to have taken a lot of lessons from how the Hadoop API was designed. What was Hadoop written in ? Image Source: google.com The above image explains main daemons in Hadoop. About Us The Simplilearn community is a friendly, accessible place for professionals of all ages and backgrounds to engage in healthy, constructive debate and informative discussions. This Hadoop MCQ Test contains 30 multiple Choice Questions. A. Note: This project was completed as the second part of Investigate TMDb Movie Dataset, which was a part of Udacity Data Analyst Nanodegree that I … - Page 2 NameNode: NameNode is used to hold the Metadata (information about the location, size of files/blocks) for HDFS. Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require _____ storage on hosts. RAID Standard RAID levels ZFS Operating system. It is important to note that you do not want to view the entire file (if it is stored in Hadoop, it is going to be HUGE). Sun also has the Hadoop Live CD project, which allows running a fully functional Hadoop cluster using a live CD 5. What license is Hadoop distributed under ? Application software , in contrast to these two, is used for attaining specific tasks. I have a cluster setup of 1 master and 10 core. When I execute a MapReduce job on a local setup I get the desired output from the reducer while the same code on EMR does not produce any. Answer: b Explanation: Apache Hadoop is an open-source software framework for distributed storage and distributed processing of Big Data on clusters of commodity hardware. Discussions on PMP, PRINCE2 & more certifications. Here’s the image to briefly explain. While system software comprises device drivers, OS, servers and software components, programming software helps in writing programs through tools such as editors, linkers, debuggers, compilers/interpreters and ore. 1. Answered - [Open Source] [Real-time] [Java-based] [Distributed computing approach] are the options of mcq question All of the following accurately describe Hadoop, EXCEPT realted topics , Hadoop Basics topics with 0 Attempts, 0 % Average Score, 1 Topic Tagged and 0 People Bookmarked this question which was asked on Oct 27, 2018 21:01 Objective. ... Lazy evaluation also means that Spark will do the bare minimum amount of work to produce the desired result. 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