Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Name the components of hdfs and yarn respectively

627

Differentiate between nas and hdfs

588

What is the connection between hadoop and big data?

554

List the common input formats used in hadoop.

569

What is the procedure to recover a namenode when it is slow?

697

What are some of the different modes used in hadoop.

542

List the five important v’s of big data.

510

How does big data help in increasing business revenue?

535

What do you understand by the term data storage?

608

What do you mean by big data and what is its importance?

559

what is the purpose of using hadoop for big data analytics?

576

what do you mean by data processing?

541

Mention what is the hadoop mapreduce apis contract for a key and value class?

735

Explain what combiners are and when you should use a combiner in a mapreduce job?

670

What is the function of mapreduce partitioner?

702

Un-Answered Questions { Big Data }

What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?

493

What does hadoop-metrics.properties file do?

581

What are the major areas where Ambari helps the system administrators to do?

Does 'ILLUSTRATE' run MR job?

896

How do I download and install spark?

321

Doesn’t google have its very own version of dfs?

529

What are the types of transformation in RDD in Apache Spark?

337

Explain what is hbase?

158

What are the side effects of not running a secondary name node?

491

Explain tobag function?

591

What is InputFormat in Hadoop MapReduce?

729

How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?

755

What is Interceptor?

111

How will you list all the columns of a table using Apache Sqoop?

What are the parameters used to create keyspace in cassandra?

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