Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Clarify what is sequence file input format?

529

How job tracker schedules an assignment?

412

Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?

428

What is the most widely recognized info formats characterized in hadoop?

431

Clarify what webdav is in hadoop?

471

Clarify how job tracker schedules an assignment?

419

What jobtracker is in hadoop? What are the activities followed by hadoop?

424

Clarify how ordering in hdfs is finished?

496

What a task tracker is in hadoop?

435

What webdav is in hadoop?

437

Specify what the information segments utilized by hadoop are?

438

Clarify what is sqoop in hadoop?

419

What is the man difference between hbase and hive?

669

Say what the views are in hive?

672

Specify the partitions in hive?

660

Un-Answered Questions { Big Data }

How Hadoop is cost-effective?

415

what is a datanode?

923

what is NameNode in Hadoop?

878

Why we need compression and what are the different compression format supported?

282

Please explain the sparse vector in Spark.

282

Differentiate Reducer and Combiner in Hadoop MapReduce?

682

What is a bookie in bookkeeper?

What happens if there is an error in impala?

243

Can you explain how do ‘map’ and ‘reduce’ work?

734

How do you parse data in xml? Which kind of class do you use with java to pass data?

307

What is the concept of SuperColumn in Cassandra?

What is difference between dataset and dataframe?

388

What is Partition table in Hive?

731

What is the difference between rdd and dataframe?

339

What are some typical functions of Job Tracker?

428

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