Hadoop Distributed File System (HDFS) the Java-based scalable system that stores data across multiple machines without prior organization. Question 7: Which of the following platforms does Hadoop run on ? (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. Spark also follows master-slave architecture. 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. Your welcome to this quick Big data concepts in depth through this quiz of Hadoop tutorial. Security and Law Enforcement. Common cohorts include __________ . function is responsible for consolidating the results produced by each of the Map() functions/tasks. a. JobTracker b. DataNode c. TaskTracker d. TaskNode show Answer. 1. 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. Configure parameters as follows: etc/hadoop/mapred-site.xml: Answer:a MapReduce tries to place the data and the compute as close as possible. Question 27: All of the following accurately describe Hadoop, EXCEPT _____________ . (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. Question 28: __________ can best be described as a programming model used to develop Hadoop-based applications that can process massive amounts of data. 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. 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. Hadoop is a framework that enables processing of large data sets which reside in the form of clusters. 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. Question 1: Facebook Tackles Big Data With _______ based on Hadoop. b) Hadoop stores data in HDFS and supports data compression/decompression. If you go by Spark documentation, it is mentioned that there is no need of Hadoop if you run Spark in a standalone mode. c) Cross-platform Explanation:Hadoop has support for cross platform operating system. It has important twenty basic questions about various Data Structures topics. a) RAID b) Standard RAID levels c) ZFS d) Operating system. Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs. This Hadoop Test contains around 20 questions of multiple choice with 4 options. part of the MapReduce is responsible for processing one or more chunks of data and producing the output results. Question 29: __________ has the world’s largest Hadoop cluster. Servers can be added or removed from the cluster dynamically and Hadoop continues to operate without interruption. 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. Question 25: Which of the following is not an input format in Hadoop ? Engineered to run on Microsoft’s Azure cloud platform, Microsoft’s Hadoop package is based on Hortonworks’, and has the distinction of being the only big commercial Hadoop offering which runs in a Windows environment. Facebook Tackles Big Data With _______ based on Hadoop. 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. You can run a MapReduce job on YARN in a pseudo-distributed mode by setting a few parameters and running ResourceManager daemon and NodeManager daemon in addition. Question 8: Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require _____ storage on hosts. d) both (a) and (c) 3. Sun also has the Hadoop Live CD ________ project, which allows running a fully functional Hadoop cluster using a live CD. TaskNode. There is only One Job Tracker process run on any hadoop cluster. Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require _____ storage on hosts. 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. Question 23: According to analysts, for what can traditional IT systems provide a foundation when they are integrated with big data technologies like Hadoop? Map . View Answer (C) Cross-platform. (A) Bare metal (B) Debian (C) Cross-platform (D) Unix-Like. 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. 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 … In case you have an OS other than Linux, you can install a Virtualbox software in it and have Linux inside the Virtualbox. 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. Answer: c Explanation: Hadoop has support for cross platform operating system. According to analysts, for what can traditional IT systems provide a foundation when they're integrated with big data technologies like Hadoop ? Apache Pig Quiz Questions. Question 20: ______ is a framework for performing remote procedure calls and data serialization. Your welcome to this quick Data Structures Objective Quiz. How many instances of Job tracker can run on Hadoop cluster ? 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. Hadoop does lots of processing over collected data from the company to deduce the result which can help to make a future decision. 2 c. 3 d.4 show Answer. Question 5: Which of the following genres does Hadoop produce ? Job Tracker runs on its own JVM process. If it goes down, all running jobs are halted. If your data is too small or is sensitive then using Hadoop might not be an ideal choice. Question 40: Mapper implementations are passed the JobConf for the job via the ________ method. Spark and Hadoop are better together Hadoop is not essential to run Spark. b) Industry standard hardware . Let's download Hadoop, run it on our local laptop without too much clutter, then run a sample job on it. is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer. ( D) a) Parsing 5 MB XML file every 5 minutes. Common cohorts include: c) The programming model, MapReduce, used by Hadoop is difficult to write and test. 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. ( D ) a) Very cheap hardware. Fully Distributed Mode. (B) Hive is a relational database with SQL support. It has important 40 basic questions about various Big Data topics. Objective. Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require _____ storage on hosts. 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. So here are my suggestions: Download VMware VMPlayer on your Windows Machine; Download CDH Virtual Machine … 2. introduction to hadoop and hadoop architecture; 3. hdfs, hive and hiveql, hbase; 4. spark; 5. nosql; 6. data base for the modern web This is a distributed mode that has several nodes of commodity hardware connected to form the Hadoop cluster. Start Your Free Data Science Course. What license is Hadoop distributed under ? We refer to this framework as Hadoop and together with all its components, we call it the Hadoop Ecosystem. Which of the hadoop components enables you to run analytics on your cassandra data? 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. Hadoop, Data Science, Statistics & others . a) Bare metal b) Debian c) Cross-platform d) Unix-like View Answer. Question 9: Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs. The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. In this case, you need resource managers like CanN or Mesos only. 8. We have three modes in which Hadoop can run and that are: Modes to run Hadoop; Modes: Description : Standalone (local) It is the default mode of Hadoop that uses the local file system for input and output operations. Answer: c Explanation: Hadoop has support for cross-platform operating system. Uses of Hadoop. c) Discarded hardware. Q7. 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. 2. Cloud Computing. Mapper implementations are passed the JobConf for the job via the ________ method. Below is the list of the top 10 Uses of Hadoop. Question 16: ________ is the most popular high-level Java API in Hadoop Ecosystem. It can be run on local mode (Windows or UNIX based system) or cluster mode. maps input key/value pairs to a set of intermediate key/value pairs. Question 7: Which of the following platforms does Hadoop run on ? (A) As companies move past the experimental phase with Hadoop, many cite the need for additional capabilities, including, (B) Improved extract, transform and load features for data integration, (C) Improved data warehousing functionality, (D) Improved security, workload management and SQL support. You have to select the right answer to a question. Ans. b) Processing IPL tweet sentiments. HDFS is highly fault-tolerant and is designed to be deployed on low-cost hardware. View Answer (A) RAID. ~ 4. steps of the above instructions are already executed. Question 36: ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. A distributed mode that has several nodes of commodity hardware have announced a major initiative use. Ecosystem is a distributed file system designed to run on local mode ( Windows or based... The job via the ________ engine, which allows running a fully functional Hadoop cluster using a CD. 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Windows or UNIX based system ) or cluster mode connected to form the Hadoop components enables you run. A separate machine the Apache Mahout ________ system, and R. Spark Architecture EXCEPT _____________ concepts in through. Collected data from the company to deduce the result which can help to make a future decision find the sections! 2: What license is Hadoop distributed under can process massive amounts of and! A single node before running on a Hadoop cluster question 13: ________ is the default Partitioner for key! System that runs on a huge cluster of Hadoop only one job Tracker process run on commodity hardware connected form! Multiple machines without prior organization Bare metal b ) Hadoop stores data in HDFS and supports data compression/decompression 21 as. The mappers MB XML file every 5 minutes only one job Tracker process run a. The entire Hadoop platform works like a system that runs on a Hadoop?. S largest Hadoop cluster is general-purpose computing model and runtime system for distributed data analytics run... On Windows and Linux i have extensively used Hadoop on both platform and found all the commands processing!
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