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 function of Cluster.Builder class in Cassandra?

139

What is SSTable? How is it different from other relational tables?

118

How does Cassandra write?

Explain the concept of bloom filter?

Explain the concept of Tunable Consistency in Cassandra?

200

How to write a query in Cassandra?

104

What is the significance of cluster class in Cassandra?

Explain how cassandra writes changed data into commitlog?

What is cluster in Cassandra data model?

What are the key points of data model of Cassandra?

What is Column Family in Cassandra?

100

Does cassandra support acid tractions?

Define the management tools in Cassandra?

State the differences between a node, a cluster and datacenter in Cassandra?

List the benefits of using Cassandra.

Un-Answered Questions { Big Data }

Can we run spark on windows?

281

How can you launch Spark jobs inside Hadoop MapReduce?

314

How do I download adobe spark?

372

Whether the output of mapper or output of partitioner written on local disk?

672

List the five important v’s of big data.

479

What is hbase fsck?

214

What do you know about transformations in spark?

289

Why is rdd immutable?

314

Explain what does the conf.setmapper class do?

611

Mention what are the most common input formats defined in hadoop?

442

How do you deal with sparse data?

how can you identify whether a given operation is transformation or action?

271

What is the functionality of jobtracker in hadoop?

718

What are the three layers where the hadoop components are actually supported by ambari?

What is difference between flume and kafka?

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