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 are the options-process for upgrading zookeeper?

Is there an easy way to expire a session for testing?

What are producer-consumer queues?

What is a bookie in bookkeeper?

Describe how hbase uses zookeeper?

How kafka communicate with clients and servers?

277

What is log compaction?

309

Kafka has written in which languages?

289

What exactly kafka does?

273

What are consumers in kafka?

281

What does producer api in kafka?

277

What does consumer api in kafka?

301

How can you configur the log cleaner?

273

What are the core api’s of kafka?

289

How can you use streams api?

271

Un-Answered Questions { Big Data }

What are the types of transformation in RDD in Apache Spark?

215

Write the command to copy a file from linux to hdfs?

Explain caching in spark streaming.

190

Which language is better for spark?

201

What do you understand by standalone (or local) mode?

231

what happens when namenode goes down during file read operation in hadoop?

320

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

243

What is the use of coordinator node in read?

List the five important v’s of big data.

189

Explain Any 3 Features of HBase?

120

How does a log flume work?

What is the difference between Input Split and an HDFS Block?

Can you define serde in hive?

421

How is hadoop different from spark?

186

Ideally what should be the block size in hadoop?

245

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