Introduction to Hadoop MCQ question and answer with solution

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What is Apache ZooKeeper used for in Hadoop?

A) Data ingestion B) Configuration management C) Querying and analysis D) Real-time data processing

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the purpose of Apache Ambari in the Hadoop ecosystem?

A) Data processing B) Data integration C) Cluster management and monitoring D) Scripting in Hadoop

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which Apache project is commonly used for real-time data processing in Hadoop?

A) Apache Spark B) Apache Flume C) Apache HBase D) Apache Drill

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What does the term "Hadoop ecosystem" refer to?

A) The hardware infrastructure B) The software stack built on top of Hadoop C) The process of installing Hadoop D) The networking configuration

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In Hadoop, what does the term "JobTracker" refer to?

A) Manages resource allocation B) Manages task execution in MapReduce jobs C) Manages HDFS metadata D) Manages ZooKeeper configurations

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the purpose of the Hadoop Secondary NameNode?

A) Manage computation resources B) Store a backup of the entire HDFS metadata C) Failover for the NameNode D) Manage ZooKeeper configurations

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which Apache project is used for workflow automation in Hadoop?

A) Oozie B) Flume C) Spark D) NiFi

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is the main function of the Hadoop Distributed File System (HDFS)?

A) Real-time data processing B) Store and manage large volumes of data C) Distribute computation resources D) Manage configuration files

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which Hadoop ecosystem tool is used for managing and monitoring Hadoop clusters?

A) Ambari B) Pig C) Drill D) Cassandra

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In the context of Hadoop, what does the term "shuffle" refer to?

A) A data compression technique B) The process of distributing data to reducers C) A phase in MapReduce processing D) An optimization in HBase storage

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Introduction to Hadoop MCQ question and answer with solution | Hadoop MCQs