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

Big Data Interview Questions

Questions Answers Views Company eMail

What is flume and sqoop?

109

Why is flume used?

How does a log flume work?

What kind of music is flume?

How much does flume cost?

What is “serde” in “hive”?

764

Explain about the smb join in hive?

771

Compare hadoop & spark?

288

What are ‘reduces’?

776

Explain how do ‘map’ and ‘reduce’ work?

652

How do ‘map’ and ‘reduce’ work?

711

Explain the input type/format in mapreduce by default?

626

Can you explain the benefits of big data?

646

Explain the steps to be followed to deploy a big data solution?

549

Can you define fsck?

578

Un-Answered Questions { Big Data }

Can multiple clients write into an HDFS file concurrently?

Explain textFile Vs wholeTextFile in Spark?

444

What are the advantages of pig language?

922

Define Partitions?

334

Enlist all Apache Kafka Operations?

598

What are the different clustering in mahout?

What is a kafka cluster?

588

What are the responsibilities of a data analyst?

664

Can you tell us how many daemon processes run on a hadoop system?

643

What is Apache HBase?

273

What are the independent extensions that are contributed to the ambari codebase?

Explain what is “map” and what is "reducer" in hadoop?

707

Describe coalesce() operation. When can you coalesce to a larger number of partitions? Explain.

348

What are the different components of a Hive query processor?

1480

Which is the best hadoop certification?

714

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