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 are transformations in spark?

150

What is driver and executor in spark?

125

Is spark secure?

134

What is executor memory and driver memory in spark?

142

What is the point of apache spark?

134

What is rdd map?

147

What is faster than apache spark?

145

What is spark training?

137

How many ways we can create rdd in spark?

137

How tasks are created in spark?

143

Is apache spark a tool?

134

What is difference between spark and mapreduce?

138

Who created spark?

128

How is spark fault tolerance?

164

What is cluster in apache spark?

159

Un-Answered Questions { Big Data }

What are different String functions available in PIG?

208

What is apache spark used for?

121

How do I stop flume agent?

What happens to a NameNode that has no data?

1081

Define Nodetool Utility?

What is the difference between spark and python?

132

What is Nagios?

120

In ambari 2.6.2 version added the following features:

Explain fullOuterJoin() operation in Apache Spark?

153

What is org.apache.jute package?

Explain how is hadoop different from other data processing tools?

283

For a job in Hadoop, is it possible to change the number of mappers to be created?

392

Explain what is sequencefileinputformat?

152

what are the languages supported by apache spark for developing big data applications?

108

Why is checkpointing important in hadoop?

168

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