Hadoop COMPSCI4064 and COMPSCI5088 Quiz
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Questions and Answers

What did Yahoo do after Google did not release an open source implementation of MapReduce?

  • They released an open source implementation of MapReduce
  • They collaborated with Google to develop MapReduce further
  • They abandoned the idea of MapReduce
  • They implemented their own version internally (correct)

Which of the following is a type of Big Data Network File System?

  • ZooKeeper
  • HDFS (correct)
  • Flink
  • Spark

What is the parallel data processing framework developed by Apache?

  • Chubby
  • Cassandra
  • Bloom Filter
  • MapReduce (correct)

Which of the following was NOT released as an open source implementation by Google?

<p>HDFS (B)</p> Signup and view all the answers

What is the primary function of Hadoop's Job Tracker?

<p>Receives work from the client and assigns tasks to task trackers (A)</p> Signup and view all the answers

Which component of Hadoop is responsible for handling storage and access of local files on the machine?

<p>Data Node (A)</p> Signup and view all the answers

What is the purpose of the HDFS in Hadoop's MapReduce implementation?

<p>To perform intermediate storage for MapReduce (B)</p> Signup and view all the answers

What challenge is not handled natively by Hadoop?

<p>Data replication (D)</p> Signup and view all the answers

Which task tracker component executes Map and Reduce tasks in Hadoop?

<p>Task Tracker (A)</p> Signup and view all the answers

What is the primary function of Hadoop's Name Node?

<p>Tracks the location of all data held on the HDFS and handles replication (A)</p> Signup and view all the answers

What is a key tenet of Hadoop's approach to data processing?

<p>Moving the compute to the data to reduce costs (C)</p> Signup and view all the answers

What is the role of HDFS in Hadoop's MapReduce architecture?

<p>To perform intermediate storage for MapReduce (A)</p> Signup and view all the answers

What does Hadoop use to identify where data is located for processing?

<p>Name Node (B)</p> Signup and view all the answers

What type of tasks does the Task Tracker component execute in Hadoop?

<p>Map tasks (C)</p> Signup and view all the answers

What does Hadoop not handle natively when it comes to work distribution challenges?

<p>Data replication (B)</p> Signup and view all the answers

What is the primary role of the Job Tracker in Hadoop?

<p>Receives work from the client and assigns tasks to task trackers (D)</p> Signup and view all the answers

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