Capgemini interview questions and answers

371 Articles

371

How to count alphabets, numeric and special characters ?

July 12, 2021

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July 12, 2021

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Answer : In this example, we have to count digits, spaces, special…

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How to convert hexadecimal to binary using c language ?

July 12, 2021

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July 12, 2021

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Answer : To convert hexadecimal to binary using c language…

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What is the Output ?

July 12, 2021

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July 12, 2021

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Answer : NULL…

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main () {int x=20, y=35; x = y++ + x++; y = ++y + ++x; printf (“%d %d\n”, x, y);} ?

July 12, 2021

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July 12, 2021

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Answer : While calculating the y value, x & y values are preincremtned, so x & y values are incremented…

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What is the main difference between c and c++ ?

July 12, 2021

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July 12, 2021

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Answer : The main difference between c and c++ is…

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Pick out the odd one out of the following malloc(), calloc(), free(), realloc() ?

July 12, 2021

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July 12, 2021

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Answer : free()..

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What is the process to perform an incremental data load in sqoop ?

July 12, 2021

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July 12, 2021

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Answer : Sqoop provides an incremental import mode.

Big Data

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What is commodity hardware ?

July 12, 2021

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July 12, 2021

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Answer : Commodity hardware is a low-cost system identified …

Big Data

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What are the features of Apache HBase ?

July 12, 2021

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July 12, 2021

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Answer : Linear and modular scalability…

Big Data

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Difference between Hive and HBase ?

July 12, 2021

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July 12, 2021

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Answer : Hive is a datawarehousing package built on the top of Hadoop…

Big Data

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What are the different configuration files in Hadoop ?

July 12, 2021

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July 12, 2021

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Answer : hadoop-env.sh,core-site.xml,hdfs-site.xml…

Big Data

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What are the different types of file permissions in HDFS ?

July 12, 2021

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July 12, 2021

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Answer : Hadoop distributed file system (HDFS) uses a specific permissions…

Big Data

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Difference between nfs and hdfs ?

July 12, 2021

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July 12, 2021

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Answer : NFS (Network File System) is one of the oldest and popular…

Big Data

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Why do we need Data Locality in Hadoop ?

July 12, 2021

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July 12, 2021

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Answer : Datasets in HDFS store as blocks in DataNodes…

Big Data

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What are the running modes of Hadoop ?

July 12, 2021

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July 12, 2021

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Answer : The three running modes of Hadoop are as follows…

Big Data

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What are the configuration parameters in a “MapReduce” program ?

July 12, 2021

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July 12, 2021

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Answer : Input location of Jobs in the distributed file system…

Big Data

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What are the core components of Hadoop ?

July 12, 2021

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July 12, 2021

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Answer : Hadoop is an open source framework that is meant…

Big Data

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What are the features of Hadoop ?

July 12, 2021

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July 12, 2021

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Answer : Hadoop supports the storage and processing of big data…

Big Data

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What is the difference between Hadoop and RDBMS ?

July 12, 2021

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July 12, 2021

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Answer : Hadoop Based on ‘Schema on Read’…

Big Data

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How to recover a NameNode when it is down ?

July 12, 2021

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July 12, 2021

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Answer : Use the FsImage which is file system metadata…

Big Data

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Capgemini interview questions and answers

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