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

585

Differentiate between nas and hdfs

538

What is the connection between hadoop and big data?

509

List the common input formats used in hadoop.

520

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

651

What are some of the different modes used in hadoop.

494

List the five important v’s of big data.

479

How does big data help in increasing business revenue?

484

What do you understand by the term data storage?

549

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

512

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

535

what do you mean by data processing?

494

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

681

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

613

What is the function of mapreduce partitioner?

637

Un-Answered Questions { Big Data }

What is the Cassandra Coefficient ?

Is it possible to leverage real-time analysis of the big data collected by Flume directly? If yes, then explain how?

146

What are the limitations of Spark?

292

How Hive organize the data?

708

Explain how jobtracker schedules a task?

465

How do you stop a spark?

281

What is a bookie in bookkeeper?

what are the most common input formats defined in Hadoop?

642

Define data lake?

566

Is hive an impala requirement?

Does the HDFS go wrong? If so, how?

How to restart NameNode or all the daemons in Hadoop HDFS?

What is BloomMapFile used for?

668

How hdfs is different from traditional file systems?

Mention what needs to be taken care while adding a column?

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