Apache Hadoop Online Quiz – Part 5 1


Objective

Since Apache Hadoop is the trending framework in the market for Bigdata. As a result, Learning Hadoop is mandatory to cope up with the trending scenario. With Apache Hadoop Online Quiz, brush up your knowledge of Hadoop. And you can also prepare yourself for Hadoop interview. Hope these questions would help you prepare for Hadoop and make you firm in it.

Apache Hadoop Online Quiz For Hadoop Interview Preparation

Top Apache Hadoop Quiz Questions and Answers  

Q.1 Whch of the file contains the configuration setting for NodeManager and ResourceManager?

For detailed description follow: YARN Introduction Tutorial

Q.2 Which command lists the blocks that make up each file in the filesystem?

For detailed description follow: Hadoop HDFS-Commands

Q.3 Hadoop can be used to create distributed clusters, based on commodity servers, that provide low-cost processing and storage for unstructured data-

For detailed description follow: Hadoop Introduction Tutorial

Q.4 Which of the following is used for machine learning on Hadoop?

For detailed description follow: Hadoop Ecosystem

Q.5 Which of the following command is used to come out of Safemode

For detailed description follow: Safemode in Hadoop

Q.6 Which utility is used for checking the health of a HDFS file system?

For detailed description follow: Hadoop HDFS-Commands Module

Q.7 The namenode knows that the datanode is active using a mechanism known as-

For detailed description follow: HDFS Introduction Tutorial

Q.8 The number of maps is usually driven by the total size of-

For detailed description follow: Mapper in Hadoop

Q.9 Put the following phases of a MapReduce program in the order that they execute? Partitioner , Mapper, Combiner, Shuffle/Sort-

For detailed description follow: MapReduce-Data flow

Q.10 By default RecordReader uses which InputFormat for converting data into key-value pairs?

For detailed description follow: MapReduce InputFormat

Q.11 Which of the following is called Mini-reducer?

For detailed description follow: MapReduc-Reducer

Q.12 What is InputSplit is?

For detailed description follow: MapReduce- InputSplit

Q.13 Which among following is true about TextInputFormat?

For detailed description follow: MapReduce InputFormat

Q.14 Counters validate that-

For detailed description follow: MapReduce Counters

Q.15 What is YARN?

For detailed description follow: YARN Introduction Tutorial

Q.16 Which of the following is framework-specific entity that negotiates resources from the ResourceManager?

For detailed description follow: YARN Introduction Tutorial

Q.17 The results of a hive query can be stored as-

For detailed description follow: Hive Introduction Tutorial

Q.18 Pig Latin scripting language is not only a higher-level data flow language but also has operators similar to-

For detailed description follow: Pig Tutorial

Q.19 Columns in Hbase are organized to-

For detailed description follow: Hbase Tutorial

Q.20 A view in Hive can be seen by using-

For detailed description follow: Hive Introduction Tutorial

For any query or suggestion on this Hadoop Online Quiz, feel free to share with us.

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