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 document store db?

Explain the different types of repairs.

What do you mean by snitch?

How does gossip protocol work?

What is column store db? Explain with an example.

What is simple strategy?

131

Why is jconsole used? What is it’s different elements?

What is jmx? And how is it useful in cassandra?

What are the different types of data model?

How does cassandra perform write operations?

Why is cqlsh used?

135

What are tokens in cassandra?

What is a column family?

Explain the terms memtable, commitlog and sstables.

What is hinted handoff?

Un-Answered Questions { Big Data }

What are the independent extensions that contributed to the ambari codebase?

What is the throughput?

Explain what is sequencefileinputformat?

455

Can you use Spark to access and analyse data stored in Cassandra databases?

371

How much faster is Apache spark than Hadoop?

292

What is the purpose of context object?

430

What is a partitioning key?

563

Explain HBase Architecture in brief?

200

What is a task instance in hadoop? Where does it run?

615

Is hadoop open source?

718

Is spark a special attack?

289

What are the main components of Cassandra data models?

115

What is throughput? How does HDFS provide good throughput?

How do I start flume agent?

Mention what are the values stored in the Cassandra Column?

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