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

Big Data Interview Questions

Questions Answers Views Company eMail

How does Cassandra perform write function?

Define a column family?

Define consistency?

131

Define the use of Source Command in Cassandra?

Give key features of any NoSQL database?

104

Explain Zero Consistency?

108

Define Nodetool Utility?

What do you mean by data center in Cassandra?

When do you have to avoid secondary indexes?

What is ColumnFamily?

Explain the concept of compaction in Cassandra?

What is cluster in Cassandra?

Describe Memtable?

How the SSTable is different from other relational tables?

What is a keyspace in Cassandra?

103

Un-Answered Questions { Big Data }

What is Cassandra?

What is spark execution engine?

370

How to write a custom partitioner for a Hadoop MapReduce job?

651

How is hadoop different from spark?

270

What is ZooKeeper Client?

How are sparks created?

291

Define Writable data types in MapReduce?

675

What is identity mapper and identity reducer?

644

How can apache spark be used alongside hadoop?

1809

Explain is it possible to search for files using wildcards?

478

Explain about the bloommapfile?

621

what is Zookeeper in Kafka? Can we use Kafka without Zookeeper?

550

What hadoop does in safe mode?

649

What are the storage supported by tajo?

How hive can improve performance with orc format tables?

712

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