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

Big Data Interview Questions

Questions Answers Views Company eMail

Why hbase is a schema-less database?

184

What is the use of ycsb?

179

what are the key components of hbase?

177

name few other popular column oriented databases like hbase.

208

What is hfile ?

301

Is hbase an os independent approach?

196

How can you make sure of logical grouping of cells in the hbase?

209

Mention how many operational commands in hbase?

297

What is the role of zookeeper in hbase?

187

When should you use a reducer?

692

Can you tell us how many daemon processes run on a hadoop system?

645

Difference between mapreduce and spark

744

What is identity mapper and identity reducer?

698

What is heartbeat in hdfs? Explain.

757

What is identity mapper and chain mapper?

725

Un-Answered Questions { Big Data }

Can we create a hadoop cluster from scratch?

486

What is partitioner spark?

292

Can spark be used without hadoop?

283

What are the essential hooping tools that improve performance? Big data?

694

What does /etc /init.d do?

742

When to use spark sql?

325

what does the shell commands “Capture” and “Consistency” determines?

113

What are brokers in kafka?

556

What is the relation between job and task in hadoop?

715

What is hadoop pig?

579

Explain the differences between a combiner and reducer

733

What do you understand by sstabl in cassandra?

What is a table generating function on hive?

772

What are the side data distribution techniques?

534

Can you define big data analytics?

588

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