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

Big Data Interview Questions

Questions Answers Views Company eMail

Define catalog tables in HBase?

209

Which command is available to show the current HBase user?

156

How will you backup an HBase cluster?

142

What is the use of MasterServer?

169

Explain HBase Architecture in brief?

198

Explian the Advantages of HBase?

185

Compare HBase vs RDBMS?

155

Explain HBase Meta Table?

171

How many types of HBase Operations are there?

167

Define cell in HBase?

164

How to start hbase services?

212

Which code do we use to open the connection in Hbase?

184

What is the use of ZooKeeper?

224

Explain the Features of HBase?

210

Which filter accepts the page size as the parameter in HBase?

205

Un-Answered Questions { Big Data }

What happens to a namenode, when job tracker is down?

700

Can you define a udf?

521

List the functions of Spark SQL?

471

Is spark distributed computing?

286

Explain the various types of partitioners in cassandra?

What is the required action you need to perform if you opt for scheduled maintenance on the cluster nodes?

How is HCatalog different from Hive?

641

What are the fundamental key structures of HBase?

207

What is CQL?

What do you mean by meta data in hdfs? List the files associated with metadata.

How the SSTable is different from other relational tables?

Explain the use of .mecia class?

746

Why would nosql be better than using a sql database? And how much better is it?

460

What is a commodity hardware? Does commodity hardware include RAM?

498

In MapReduce, ideally how many mappers should be configured on a slave?

627

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