Hadoop - Study guides, Class notes & Summaries

Apache HBase hadoop mamun Exam Questions And Answers 100% Verified And Updated. 1. Which one of the following statements is true? A. The result variable in this example will always be null B. The result variable will not contain any values and can be used for retrieving the column values C. The result variable will contain all values from all column families for the row whose key is 65 D. The result variable will contain only the values in the first column family from the row whose key...

Apache Hadoop Exam Questions And Answers 100% Verified And Updated. What are Apache Hadoop's Components? - AnswerHDFS and MapReduce Yarn What is a Apache Hadoop Cluster? - AnswerA group of Machines operating HDFS and MapReduce. What are Nodes? - AnswerIndividual Machines How [MANY] Nodes can a Cluster have? - AnswerBetween One Node and Several Thousand Nodes (Nodes increase performance)! What does HDFS denote to? - AnswerHadoop Distributed File System What does HDFS do? - AnswerStor...

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Apache Hadoop Exam Questions And Answers 100% Verified And Updated. Apache Hadoop - AnswerOS framework intended to make interaction with big data easier. Enables processing of large data sets which reside in form of clusters. Made up of several modules supported by large ecosystem of tech. Hadoop Ecosystem - main elements - AnswerHDFS, MapReduce, YARN, and Hadoop Common Hadoop Ecosystem - AnswerPlatform that provides various services to solve big data problems. Includes Apache projects a...

Apache Hadoop Architecture Exam Questions And Answers 100% Verified And Updated. Cluster - AnswerA group of computers working together and provides data storage, data processing, and resource management. Node - AnswerAn individual computer from a Cluster. Master Node - AnswerManage distribution of work and data to Worker Nodes. Daemon - AnswerA Program operating through a Node-each Apache Hadoop daemon performs a particular function through the Cluster. What are the 3 Main components of...

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Apache Hadoop Exam Questions And Answers 100% Verified And Updated. Hadoop Distributed File System (HDFS) - AnswerA distributed filesystem designed for storing very large files with streaming data access patterns, running on clusters of commodity hardware. Distributed data systems - AnswerData is partitioned among multiple nodes. Filesystems that manage the storage across a network of machines are called distributed filesystems. Applications for HDFS - AnswerVery large files: hundreds of M...

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