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

Big Data Interview Questions

Questions Answers Views Company eMail

Define partitions in apache spark.

2176

Is there an api for implementing graphs in spark?

2036

Explain accumulators in apache spark.

2074

What file systems does spark support?

1784

What is a dstream in apache spark?

2031

Explain the concept of resilient distributed dataset (rdd).

2050

What do you understand by schemardd in apache spark rdd?

2278

What are roles in cqlsh?

what is gossip protocol?

What are snapshots and how do you create one in cassandra?

What is the use of coordinator node in read?

Explain the different logging levels in cassandra.

What are clusters in cassandra?

What is network topology strategy?

How is a keyspace created in cassandra? & What are the parameters used?

Un-Answered Questions { Big Data }

Differentiate between piglatin and hiveql?

571

Define consistency?

131

Explain the various types of partitioners in cassandra?

Can you define udf?

423

What are the benefits of Spark lazy evaluation?

320

What is LazyOutputFormat in MapReduce?

683

Explain the overview of hadoop history breifly?

623

What are Actions? Give some examples.

316

What is the primary purpose of flume in the hadoop architecture?

875

Can we change the document present in hdfs?

Explain the term 'Log Anatomy'?

540

Define Partition in Apache Spark?

312

How does a namenode handle the failure of the data nodes?

691

How is it different from doing machine learning in r or sas?

Mention what is the meaning of broker in kafka?

506

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