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 the work of hive/hcatalog?

452

What is apache hcatalog?

449

What is hive installation path?

450

What is hive metastore?

439

What is a task tracker?

Explain the difference between nas and hdfs?

What is a job tracker?

What is the difference betwaeen mapreduce engine and hdfs cluster?

What is the difference between namenode, backup node and checkpoint namenode?

Is namenode also a commodity?

What does hbase consists of?

123

What are the three types of tombstone markers in hbase?

113

How many operational command in hbase?

134

Explain deletion in hbase?

What is the maximum recommended cell size?

122

Un-Answered Questions { Big Data }

Explain what if rack 2 and datanode fails?

347

When we send a data to a node, do we allow settling in time, before sending another data to that node?

273

What is an Agent?

List some use cases where Spark outperforms Hadoop in processing.

204

Define yum?

In which language Cassandra is written?

Explain JobConf in MapReduce.

520

What is a column family in Cassandra?

Explain the various types of partitioners in cassandra?

Can you join multiple fields in Apache

320

How does pig work?

350

Why not just use zookeeper for everything?

What is the main difference between kafka and fume?

343

What is a namenode in hadoop?

Is there any benefit of learning MapReduce, then?

207

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