Hadoop Quiz 1


Q.1 Which of the following are true about Hadoop?

For detailed description follow: Big data Hadoop Tutorial

Q.2 Hadoop can be deployed on Commodity Hardware?

For detailed description follow: Big data Hadoop Terminologies

Q.3 Which of the following are false about Hadoop?

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Q.4 What is a Metadata in Hadoop?

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Q.5 Which of the following are false about the namenode?

For detailed description follow: Big data hadoop Terminologies

Q.6 What is a Daemon?

For detailed description follow: Big data Hadoop Terminologies

Q.7 Which of the following is true about Hadoop?

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Q.8 All the slaves in the Hadoop cluster should be of same configuration?

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Q.9 Choose the correct statement?

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Q.10 Failure of slave-nodes or tasks is recovered automatically by the framework?

For detailed description follow: Big data hadoop features

Q.11 Which of the following is the core component of HDFS?

For detailed description follow: HDFS Introduction Tutorial

Q.12 Which statement is true about DataNode?

For detailed description follow: HDFS Introduction Tutorial

Q.13 Is the Secondary NameNode is the Backup node?

For detailed description follow: HDFS Architecture

Q.14 Which of the following is NOT a type of metadata in NameNode?

For detailed description follow: HDFS Architecture

Q.15 Which of following is the programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent tasks.

For detailed description follow: MapReduce Introduction Tutorial

Q.16 Which of the following is not the phase of Reducer?

For detailed description follow: MapReduce Job Execution Flow

Q. 17 Mappers sorted output is Input to the-

For detailed description follow: MapReduce Job Execution Flow

Q.18 Which of the following generate intermediate key-value pair?

For detailed description follow: MapReduce Key-Value Pair

Q.19 What is the major advantages of storing data in block size 128MB?

For detailed description follow: HDFS Data Blocks

Q.20 Which of the following is Single point of Failure?

For detailed description follow: HDFS NameNode High Availability