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

Big Data Interview Questions

Questions Answers Views Company eMail

Elucidate the concept of cap theorem?

What is the procedure of data storage in cassandra?

What do you understand by the term snitch in cassandra? Give some example.

Is it possible to add or delete column families in a working group?

What is mapper in map reduce?

642

What happens if the quantity of the reducer is 0 in mapreduce?

594

Clarify what combiners are and when you should utilize a combiner in a map reduce job?

593

Clarify what is shuffling in map reduce?

634

What are the fundamental configurations parameters specified in map reduce?

635

What combiners are and when you should utilize a combiner in a map reduce job?

605

What are the four essential parameters of a mapper?

654

What does rack awareness mean?

411

What the information segments utilized by hadoop are?

417

Clarify what a task tracker is in hadoop?

427

How ordering in hdfs is finished?

424

Un-Answered Questions { Big Data }

how Cassandra writes data?

117

What is a combiner in hadoop?

510

Explain the run-time architecture of Spark?

296

How Pig differs from MapReduce?

803

What does a split do?

624

Why is BlinkDB used?

301

The partition of hive table has been modified to point to a new directory location. Do I have to move the data to the new location or the data will be moved automatically to the new location?

1000

what is a cluster in cassandra?

Why do we need Hadoop Archives? How is it created?

564

What is mahout hadoop?

What do you mean by Stream Processing in Kafka?

522

What is the design architecture of Cassandra?

What is a Block Scanner in HDFS?

Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?

666

What are different types of filesystem?

1144

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