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 difference between hive and spark?

266

What is spark vcores?

280

Who uses apache spark?

353

What is sparkcontext in spark?

268

How many types of rdd are there in spark?

316

What is standalone mode in spark?

343

What is the difference between spark and hive?

316

How is hadoop different from spark?

270

What is data skew in spark?

299

What is a spark standalone cluster?

248

What are the actions in spark?

273

Can I install spark on windows?

280

What happens when an action is executed in spark?

340

Can we broadcast an rdd?

297

Who creates dag in spark?

338

Un-Answered Questions { Big Data }

What is the use of expand cqlsh command in Cassandra?

What are shared variables in spark?

304

What do you mean by metadata in HDFS?

Apache Spark is a good fit for which type of machine learning techniques?

282

What do you mean by replication factor?

Is it possible to provide multiple input to Hadoop? If yes then how?

502

What is a block and block scanner in HDFS?

1030

What are the different tools used for the ambari monitoring purpose?

Differentiate between nas and hdfs

538

Explain the operation reduce() in Spark?

286

What are the different file permissions in the HDFS for files or directory levels?

146

Explain deletion in hbase? Mention what are the three types of tombstone markers in hbase?

141

Is it necessary to write a mapreduce job in java?

627

How can client interact with Hive?

699

What is non-dfs used in hdfs web console

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