Big Data

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Facebook Tackles Big Data With _______ based on Hadoop. a) 'Project Prism' b) 'Prism' c) 'Project Big' d) 'Project Data'

a) 'Project Prism' Prism automatically replicates and moves data wherever it's needed across a vast network of computing facilities.

According to analysts, for what can traditional IT systems provide a foundation when they're integrated with big data technologies like Hadoop ? a) Big data management and data mining b) Data warehousing and business intelligence c) Management of Hadoop clusters d) Collecting and storing unstructured data

a) Big data management and data mining Data warehousing integrated with Hadoop would give better understanding of data.

__________ can best be described as a programming model used to develop Hadoop-based applications that can process massive amounts of data. a) MapReduce b) Mahout c) Oozie d) All of the mentioned

a) MapReduce MapReduce is a programming model and an associated implementation for processing and generating large data sets with a parallel, distributed algorithm.

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 d) None of the mentioned

b) Hadoop 2.0 allows live stream processing of real time data Hadoop batch processes data distributed over a number of computers ranging in 100s and 1000s.

All of the following accurately describe Hadoop, EXCEPT: a) Open source b) Real-time c) Java-based d) Distributed computing approach

b) Real-time Apache Hadoop is an open-source software framework for distributed storage and distributed processing of Big Data on clusters of commodity hardware.

Point out the wrong statement : a) Hadoop processing capabilities are huge and it's real advantage lies in the ability to process terabytes & petabytes of data b) Hadoop uses a programming model called "MapReduce", all the programs should confirms to this model in order to work on Hadoop platform c) The programming model, MapReduce, used by Hadoop is difficult to write and test d) All of the mentioned

c) The programming model, MapReduce, used by Hadoop is difficult to write and test The programming model, MapReduce, used by Hadoop is simple to write and test.

As companies move past the experimental phase with Hadoop, many cite the need for additional capabilities, including: a) Improved data storage and information retrieval b) Improved extract, transform and load features for data integration c) Improved data warehousing functionality d) Improved security, workload management and SQL support

d) Improved security, workload management and SQL support Adding security to Hadoop is challenging because all the interactions do not follow the classic client- server pattern.

Hadoop is a framework that works with a variety of related tools. Common cohorts include: a) MapReduce, Hive and HBase b) MapReduce, MySQL and Google Apps c) MapReduce, Hummer and Iguana d) MapReduce, Heron and Trumpet

a) MapReduce, Hive and HBase To use Hive with HBase you'll typically want to launch two clusters, one to run HBase and the other to run Hive.

__________ has the world's largest Hadoop cluster. a) Apple b) Datamatics c) Facebook d) None of the mentioned

c) Facebook Facebook has many Hadoop clusters, the largest among them is the one that is used for Data warehousing.

What was Hadoop named after? a) Creator Doug Cutting's favorite circus act b) Cutting's high school rock band c) The toy elephant of Cutting's son d) A sound Cutting's laptop made during Hadoop development

c) The toy elephant of Cutting's son Doug Cutting, Hadoop creator, named the framework after his child's stuffed toy elephant.


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