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?

297

Why is Spark RDD immutable?

370

What are the types of Apache Spark transformation?

289

What is Spark Core?

291

Why Apache Spark?

319

Explain transformation and action in RDD in Apache Spark?

297

How can we create RDD in Apache Spark?

301

What is SparkSession in Apache Spark?

290

What is the Difference SparkSession vs SparkContext in Apache Spark?

417

What are the abstractions of Apache Spark?

307

What is SparkContext in Apache Spark?

309

What are the components of Apache Spark Ecosystem?

403

Explain the RDD properties?

311

What does ‘jps’ command do?

697

Mention what is the use of Context Object?

721

Un-Answered Questions { Big Data }

Mention some basic tajo shell commands?

What is the difference between hbase and hadoop/hdfs?

169

How is indexing done in HDFS?

Explain some Disadvantages of Avro?

Replication causes data redundancy then why is pursued in hdfs?

How to create Users in hadoop HDFS?

What is the difference between Hive CLI and Beeline?

839

What is Yum?

Define fold() operation in Apache Spark?

305

what are the main configuration parameters that user need to specify to run Mapreduce Job ?

602

What is a flume agent?

What language is apache spark?

288

What are the Optimizations a developer can use during joins?

528

What is avro format?

Explain Hadoop Archives?

535

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