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 an "Accumulator"?

1 301

Compare Spark vs Hadoop MapReduce

1 342

What operations does the "RDD" support?

1 317

What is a "Spark Driver"?

1 357

Define functions of SparkCore?

1 518

What is the function of "MLlib"?

1 322

Define "PageRank".

1 309

What is "GraphX" in Spark?

1 323

Name types of Cluster Managers in Spark.

1 331

Which file systems does Spark support?

1 311

What is RDD Lineage?

1 430

Name commonly-used Spark Ecosystems

1 331

What is the difference between persist

1 367

What is Immutable?

1 354

What operations RDD support?

1 327

Un-Answered Questions { Big Data }

Where does the data of a Hive table gets stored?

718

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

How job tracker schedules an assignment?

472

Give me the examples of Columnar database ?

641

What is the latest version of ambari that is available in the present market?

List the advantage of Parquet file in Apache Spark?

474

State some DDL Command with brief Description?

What is the roadmap for apache mahout version 1.0?

When to use explode in Hive?

803

What is the roadmap for apache driver version one.0?

When we are using queries instead of scripting?

778

How do I set up flume agent?

Can We Change settings within Hive Session? If Yes, How?

836

Which modes can Hadoop be run in? List a few features for each mode?

517

What are the different types of tables available in Hive?

745

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