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 hdfs?

625

What is skew data in hive?

698

Is kafka an etl tool?

458

What language is apache kafka written in?

533

What is zookeeper server?

What is the difference between map and reduce?

625

What is optimal size of a file for distributed cache?

635

What can skew the mean?

282

What is vectorized query execution?

313

What is map side join?

303

What does dag stand for?

295

What is data ingestion pipeline?

320

What is the difference between reducebykey and groupbykey?

295

What is data skew and how do you fix it?

332

Is databricks a database?

314

Un-Answered Questions { Big Data }

What is the difference between client mode and cluster mode in spark?

320

What is the data storage component used by Hadoop?

619

How message is consumed by consumer in kafka?

480

What are the port numbers of job tracker?

525

What happen if one of the datanodes has much slower cpu?

431

What are the consistency levels for read operations in Cassandra?

In which scenario Pig is better fit than MapReduce?

835

What are the characteristics of hadoop framework?

668

What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?

622

How can you achieve high availability in Apache Spark?

431

How to control access to data in impala?

What is a Block Scanner in HDFS?

what does the text input format do?

813

what is the meaning of broker in Kafka?

541

Explain partitions?

278

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