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 kind of datawarehouse application is suitable for Hive?

689

Explain REPEAT function in Hive with example?

804

What does the "USE" command in hive do?

793

Can you give us some examples, how Hadoop is used in real time environment?

703

Big Data Engineer Can you explain what REST is?

LinkedIn,

How do you deal with sparse data?

LinkedIn,

Name and describe three different kernel functions and in what situation you would use each.

LinkedIn,

How would you pipeline large amounts of data?

Mozilla,

617

What is Apache Spark?

369

explain the key features of Apache Spark?

336

How is Apache Spark better than Hadoop?

300

Explain the term paired RDD in Apache Spark?

403

How is RDD in Spark different from Distributed Storage Management?

380

Which all languages Apache Spark supports?

345

explain the concept of RDD (Resilient Distributed Dataset). Also, state how you can create RDDs in Apache Spark.

411

Un-Answered Questions { Big Data }

Does spark use tez?

298

how indexing in HDFS is done?

855

What is a Heartbeat in Hadoop?

560

What is python stress test in cassandra?

Use of Codegen command in Hadoop sqoop?

What is executor memory in a spark application?

304

How do reducers communicate with each other?

667

Can you explain benefits of spark over mapreduce?

287

What are the relational operators available related to combining and splitting in pig language?

711

Hive new version supported Hadoop Versions ?

604

What bit version that ambari needs and also list out the operating systems that are compatible?

Which are the various data sources available in spark sql?

297

Explain about the different types of join in Hive?

819

What are spark stages?

302

Explain the Reducer's Sort phase?

884

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