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 advantages does Spark offer over Hadoop MapReduce?

285

Why is Spark RDD immutable?

344

What are the types of Apache Spark transformation?

277

What is Spark Core?

280

Why Apache Spark?

307

Explain transformation and action in RDD in Apache Spark?

285

How can we create RDD in Apache Spark?

295

What is SparkSession in Apache Spark?

277

What is the Difference SparkSession vs SparkContext in Apache Spark?

398

What are the abstractions of Apache Spark?

297

What is SparkContext in Apache Spark?

301

What are the components of Apache Spark Ecosystem?

391

Explain the RDD properties?

302

What does ‘jps’ command do?

661

Mention what is the use of Context Object?

681

Un-Answered Questions { Big Data }

What is a Column family in hbase?

193

Why does spark skip stages?

243

HDFS is used for applications with large data sets, not why Many small files?

How to remove safemode of namenode forcefully in HDFS?

What is replication in kafka?

496

What is presto?

What is Grunt shell?

549

What do you understand by cluster in cassandra?

In MapReduce how to change the name of the output file from part-r-00000?

612

What is a Task instance in Hadoop? Where does it run?1

829

What is the use of mysql connector?

What are the different methods to set up local repositories?

Explain some Disadvantages of Avro?

Define big data analytics?

484

Explain data flow in Flume?

For More Un-Answered { Big Data } Questions Click Here