Quiz_ Quiz 6-Fall23

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Arizona State University *

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Dec 6, 2023

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Quiz 6-Fall23 Started: Nov 15 at 5:47am Quiz Instructions 1 pts Question 1 How does Hadoop and MapReduce relate to each other? Hadoop is the framework used by MapReduce software. Hadoop is a server-side application while MapReduce runs on client computers. MapReduce is the framework used by Hadoop software. Hadoop is a computer operating system while MapReduce is a software application. 1 pts Question 2 Which of the following is the correct order of functions in the typical processing of big data? Map and Reduce functions can run simultaneously. The Reduce function has to finish before the Map function starts. Map and Reduce functions can run in parallel The Map function has to finish before the Reduce function starts 1 pts Question 3 What is the name of the transitional phase between the Map and Reduce phases in a big data process? Data mining Data scrubbing Data shuffling
Data mapping 1 pts Question 4 Apache Spark sorts its data processing operations, such as collect, filter, and sort, by building a graph called DAG. What does DAG stand for? Distributed Asymmetric Graph Derived Apache Graph Directed Acyclic Graph Distributed Apache Graph 1 pts Question 5 What does HDFS stand for? Hadoop Distributed File System Highly Distributed File System Highly Disturbed File System High Definition File System 1 pts Question 6 Which of the following is NOT true about Map/Reduce? Hadoop parallel computing systems uses MapReduce to run models over large distributed sets of data The concept was introduced by Google Each node is strictly bound to be a mapper or reducer It is one of the main algorithms that are used to process large scale data
1 pts Question 7 Which of the following is TRUE about Hadoop? If the same task repeatedly fails, the corresponding job wouldn’t fail It was introduced by Yahoo as an open course Map/Reduce system Each node stores distinct data blocks We could update existing file in Hadoop file system 1 pts Question 8 If you want to apply a Hadoop file system, how much space would you assign for each file- splitting blocks? 64MB 128MB 256MB 512MB 1 pts Question 9 Which kind of RDD operations return value and export data, which kind of RDD operations build new RDDs through others? Actions, Transformations Actions, Copies Executions, Transformations Executions, Copies 1 pts Question 10
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Quiz saved at 6:08am Which of the following is TRUE for a DAG (Directed Acyclic Graph)? Nodes are connected by undirected edges The graph has no directed nor undirected circles The graph could be topologically ordered We could find a path that starts and ends at one equal node Submit Quiz

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