Question 9: Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs. Question 7: Which of the following platforms does Hadoop run on ? Question 38: The number of maps is usually driven by the total size of ______________ . Uses of Hadoop. Question 13: ________ hides the limitations of Java behind a powerful and concise Clojure API for Cascading. Question 39: _________ is the default Partitioner for partitioning key space. In this case, you need resource managers like CanN or Mesos only. c) Discarded hardware. How does Hadoop work? View Answer (A) RAID. Hadoop cannot be an out-of-the-box solution for all big data problems and should be best used in applications that can make the most of its capability to store voluminous amount of data at an economical cost. d) both (a) and (c) 3. Apache Hadoop (/ h ə ˈ d uː p /) is a collection of open-source software utilities that facilitates using a network of many computers to solve problems involving massive amounts of data and computation. Answer: c Explanation: Hadoop has support for cross-platform operating system. I have extensively used Hadoop on both platform and found all the commands and processing are identical on Windows and Linux. Which of the following platforms does Hadoop run on ? However, the differences from other distributed file systems are significant. Fully Distributed Mode. Apache Pig Quiz Questions. Which of the following is not the Dameon process that runs on a hadoop cluster ? Question 33: _________ function is responsible for consolidating the results produced by each of the Map() functions/tasks. We refer to this framework as Hadoop and together with all its components, we call it the Hadoop Ecosystem. IBM and ________ have announced a major initiative to use Hadoop to support university courses in distributed computer programming. Question 32: ___________ part of the MapReduce is responsible for processing one or more chunks of data and producing the output results. ( D ) a) Very cheap hardware. A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker. Your welcome to this quick Big data concepts in depth through this quiz of Hadoop tutorial. Ans. Let's download Hadoop, run it on our local laptop without too much clutter, then run a sample job on it. Question 21: As companies move past the experimental phase with Hadoop, many cite the need for additional capabilities, including __________ . Introduction: Hadoop Ecosystem is a platform or a suite which provides various services to solve the big data problems. With the Mono framework, you should be able to take pretty much any .NET code written on the Windows platform and just run the same binary on Linux. Question 35: Although the Hadoop framework is implemented in Java ,MapReduce applications need not be written in __________ . What does commodity Hardware in Hadoop world mean? If it goes down, all running jobs are halted. Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs. No custom configuration required for … Hadoop is a framework that works with a variety of related tools. In case you have an OS other than Linux, you can install a Virtualbox software in it and have Linux inside the Virtualbox. Input to the _______ is the sorted output of the mappers. Question 10: The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. Answered - [Bare metal] [Debian] [Cross-platform] [Unix-like] are the options of mcq question Which of the following platforms does Hadoop run on realted topics , Hadoop Basics topics with 0 Attempts, 0 % Average Score, 1 Topic Tagged and 0 People Bookmarked this question which was … (A) Creator Doug Cutting favorite circus act, (D) A sound Cutting laptop made during Hadoop development. It supports programming languages like Java, Scala, Python, and R. Spark Architecture. The JobTracker is single point of failure for the Hadoop MapReduce service. b) Hadoop stores data in HDFS and supports data compression/decompression. If your primary objective is to learn Hadoop then it does not matter you learn it on Windows or Linux, because everything is exactly same on both platforms. Job Tracker runs on its own JVM process. Intel Distribution for Apache Hadoop Another giant of the tech world which has recently turned its attention towards Hadoop. 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. Question 26: What was Hadoop named after? Question 36: ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. Question 28: __________ can best be described as a programming model used to develop Hadoop-based applications that can process massive amounts of data. (adsbygoogle = window.adsbygoogle || []).push({}); (A) Hive is not a relational database, but a query engine that supports the parts of SQL specific to querying data, ©2020 Developed and Created By JobsCaptain.com™, 15 नवम्बर का इतिहास – History of 15 November in Hindi, 2 दिसंबर का इतिहास – History of 02 December in Hindi, MD in Anatomy, Anesthesiology, Social and Preventive Medicine – Subject Topics, Eligibility and Career Prospects, 21 दिसंबर का इतिहास – History of 21 December in Hindi, प्रमुख भारतीय बैंक और उनके स्थापना दिवस – List of Indian Banks With Day of Establishment in Hindi, Career in Insurance 2021 – Courses, Eligibility, Career Opportunities. I cover four options: Hadoop in Docker - using my Hadoop with .NET Core Docker image to run a Dockerized Hadoop cluster; The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. Mapper implementations are passed the JobConf for the job via the ________ method. You have to select the right answer to a question. The Hadoop Distributed File System (HDFS) is a distributed file system designed to run on commodity hardware. Hadoop Distributed File System (HDFS) the Java-based scalable system that stores data across multiple machines without prior organization. a. According to analysts, for what can traditional IT systems provide a foundation when they're integrated with big data technologies like Hadoop ? Question 29: __________ has the world’s largest Hadoop cluster. How many instances of Job tracker can run on Hadoop cluster ? Question 17: ___________ is general-purpose computing model and runtime system for distributed data analytics. c) Processing online bank transactions. Question 5: Which of the following genres does Hadoop produce ? Question 1: Facebook Tackles Big Data With _______ based on Hadoop. Hadoop does lots of processing over collected data from the company to deduce the result which can help to make a future decision. Hadoop is a Java technology, so you can run it on any system with a compatible JVM. Sun also has the Hadoop Live CD ________ project, which allows running a fully functional Hadoop cluster using a live CD. Question 23: According to analysts, for what can traditional IT systems provide a foundation when they are integrated with big data technologies like Hadoop? Question 16: ________ is the most popular high-level Java API in Hadoop Ecosystem. CDH, Cloudera's open source platform, is the most popular distribution of Hadoop and related projects in the world (with support available via a Cloudera Enterprise subscription). Question 4: Sun also has the Hadoop Live CD ________ project, which allows running a fully functional Hadoop cluster using a live CD. Each slave node is configured with job tracker node location. Cloud Computing. a) Bare metal b) Debian c) Cross-platform d) Unix-like. Map . Which of the following phases occur simultaneously ? Objective. What license is Hadoop distributed under ? Being a framework, Hadoop is made up of several modules that are supported by a large ecosystem of technologies. function is responsible for consolidating the results produced by each of the Map() functions/tasks. (A) Bare metal (B) Debian (C) Cross-platform (D) Unix-Like. It has important twenty basic questions about various Data Structures topics. a. JobTracker b. DataNode c. TaskTracker d. TaskNode show Answer. 2. introduction to hadoop and hadoop architecture; 3. hdfs, hive and hiveql, hbase; 4. spark; 5. nosql; 6. data base for the modern web Question 3: What license is Hadoop distributed under ? Question 30: Facebook Tackles Big Data With _______ based on Hadoop. 1. Which of the following platforms does Hadoop run on? part of the MapReduce is responsible for processing one or more chunks of data and producing the output results. 1. 8. Answer: c Explanation: Hadoop has support for cross platform operating system. Hadoop is an open source, Java-based programming framework that supports the processing and storage of extremely large data sets in a distributed computing environment. Start Your Free Data Science Course. Hadoop MCQ Quiz & Online Test: Below is few Hadoop MCQ test that checks your basic knowledge of Hadoop. Although the Hadoop framework is implemented in Java , MapReduce applications need not be written in : is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. Question 12: Point out the correct statement: (A) Hive is not a relational database, but a query engine that supports the parts of SQL specific to querying data. Q8. Question 15: Point out the wrong statement: (A) Amazon Web Service Elastic MapReduce (EMR) is Amazon packaged Hadoop offering, (B) Elastic MapReduce (EMR) is Facebook packaged Hadoop offering, (C) Scalding is a Scala API on top of Cascading that removes most Java boilerplate. Hadoop is supported by GNU/Linux platform and its flavors. maps input key/value pairs to a set of intermediate key/value pairs. As companies move past the experimental phase with Hadoop, many cite the need for additional capabilities, including: d) Improved security, workload management and SQL support, b) Hadoop 2.0 allows live stream processing of real time data. Question 2: What are the 3v’s of Big Data? ( D) a) Parsing 5 MB XML file every 5 minutes. Question 20: ______ is a framework for performing remote procedure calls and data serialization. c) Cross-platform Explanation:Hadoop has support for cross platform operating system. Question 27: All of the following accurately describe Hadoop, EXCEPT _____________ . Facebook Tackles Big Data With _______ based on Hadoop. The platform can be used to carry out different tasks by different users. Which of the hadoop components enables you to run analytics on your cassandra data? Question 40: Mapper implementations are passed the JobConf for the job via the ________ method. Other software components that can run on top of or alongside Hadoop and have achieved top-level Apache project status include: Open-source software is created and maintained by a network of developers from around the world. Big data processing platform technologies [28] utilizing the Hadoop platform include MapReduce, HDFS, HBase, Hive, Zookeeper, Avro [29], and Pig, which has formed … The number of maps is usually driven by the total size of : is the default Partitioner for partitioning key space. Which of the following are NOT big data problem(s)? Q7. Question 11: ________ is a platform for constructing data flows for extract, transform, and load (ETL) processing and analysis of large data sets. This is a distributed mode that has several nodes of commodity hardware connected to form the Hadoop cluster. It can be run on local mode (Windows or UNIX based system) or cluster mode. Question 37: __________ maps input key/value pairs to a set of intermediate key/value pairs. Common cohorts include __________ . It does not have its own storage system like Hadoop has, so it requires a storage platform like HDFS. (B) Hive is a relational database with SQL support. HDFS is highly fault-tolerant and is designed to be deployed on low-cost hardware. This is mostly used for the purpose of debugging. Hadoop, Data Science, Statistics & others . It is part of the Apache project sponsored by the Apache Software Foundation. This mode is mainly used for debugging purpose, and it does not support the use of HDFS. since Hadoop runs on JVM so, Hadoop can be used in Windows(early version of Hadoop had some Problem) or Linux, but best way to use Hadoop is to run on Linux. (A) RAID (B) ZFS (C) Operating System (D) DFS. Question 8: Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require ________ storage on hosts. 1. Question 22: Point out the correct statement: (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 in to lines or records. It's free to download, use and contribute to, though more and more commercial versions of Hadoop are becoming available (these are often call… After Apache Pig Quiz Part-1, we come up with more Apache Pig Quiz Questions.This quiz for Apache Pig will help you to test & brush up your Apache Pig knowledge. It helps if you want to check your MapReduce applications on a single node before running on a huge cluster of Hadoop. ~ 4. steps of the above instructions are already executed. Servers can be added or removed from the cluster dynamically and Hadoop continues to operate without interruption. Which of the following platforms does Hadoop run on ? Answer:a MapReduce tries to place the data and the compute as close as possible. In recent day terms, cloud computing means storing, accessing data, programs, Application, and files over the internet of the premises rather than on-premises installed on a hard drive. Unlike traditional systems, Hadoop enables multiple types of analytic workloads to run on the same data, at the same time, at massive scale on industry-standard hardware. Differences Between Cloud Computing vs Hadoop. Mapper and Reducer implementations can use the ________ to report progress or just indicate that they are alive. But because there are so many components within this Hadoop ecosystem, it can become really challenging at times to really understand and remember what each component does and where does it fit in in this big world. Which of the following is not a phase of Reducer ? It has many similarities with existing distributed file systems. Which of the following genres does Hadoop produce ? Your welcome to this quick Data Structures Objective Quiz. a) Bare metal b) Debian c) Cross-platform d) Unix-like View Answer. Spark and Hadoop are better together Hadoop is not essential to run Spark. SQL-on-Hadoop is a class of analytical application tools that combine established SQL -style querying with newer Hadoop data framework elements. 1 b. Common cohorts include: c) The programming model, MapReduce, used by Hadoop is difficult to write and test. Therefore, we have to install a Linux operating system for setting up Hadoop environment. Please find the below sections, where Hadoop has been used widely and effectively. is the primary interface for a user to describe a MapReduce job to the Hadoop framework for execution. You can also access HDFS from Windows fairly easily -- while I don't recommend running the Hadoop services on Windows, you can certainly run the DFS client from the Windows platform to copy files in and out of the distributed file system. Which are the modes in which Hadoop can run? Hadoop does not rely on hardware to provide fault-tolerance and high availability (FTHA), rather Hadoop library itself has been designed to detect and handle failures at the application layer. The following instructions assume that 1. You don't need to run Hadoop from the JAR files though, there are packaged options which make it easy to run Hadoop on Windows. b) Industry standard hardware . For instance, data engineers use the platform to clean, aggregate, and prepare data for analysis, business users use it to run queries on the platform while scientist finds it useful while analyzing patterns from large data set using machine learning algorithms. View Answer (C) Cross-platform. Security and Law Enforcement. 2 c. 3 d.4 show Answer. So here are my suggestions: Download VMware VMPlayer on your Windows Machine; Download CDH Virtual Machine … The right number of reduces seems to be : The output of the _______ is not sorted in the Mapreduce framework for Hadoop. Question 25: Which of the following is not an input format in Hadoop ? Question 24: Hadoop is a framework that works with a variety of related tools. Configure parameters as follows: etc/hadoop/mapred-site.xml: TaskNode. is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer. a) RAID b) Standard RAID levels c) ZFS d) Operating system. Question 31: A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker. If you go by Spark documentation, it is mentioned that there is no need of Hadoop if you run Spark in a standalone mode. Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require _____ storage on hosts. (C) Pig is a relational database with SQL support. b) Processing IPL tweet sentiments. This Hadoop Test contains around 20 questions of multiple choice with 4 options. Question 8: Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require _____ storage on hosts. Question 14: Hive also support custom extensions written in ___________ . Ans. Question 34: Point out the wrong statement: (A) A MapReduce job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner, (B) The MapReduce framework operates exclusively on pairs, (C) Applications typically implement the Mapper and Reducer interfaces to provide the map and reduce methods. It has important 40 basic questions about various Big Data topics. If your data is too small or is sensitive then using Hadoop might not be an ideal choice. - 14892246 Question 19: _______  jobs are optimized for scalability but not latency. a. Map b. This way, the entire Hadoop platform works like a system that runs on Java. Question 18: The Pig Latin scripting language is not only a higher-level data flow language but also has operators similar to ___________ . Question 7: Which of the following platforms does Hadoop run on ? Apache Pig Quiz Questions will help you face & crack Apache Pig Interview to land your dream of Apache Pig Jobs in India and abroad. Reduce c. Shuffle d. Sort show Answer. All of the following accurately describe Hadoop, EXCEPT: can best be described as a programming model used to develop Hadoop-based applications that can process massive amounts of data. Below is the list of the top 10 Uses of Hadoop. 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