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

Big Data Interview Questions

Questions Answers Views Company eMail

Why do we need Pig?

825

Does Pig differ from MapReduce? If yes, how?

594

How to write 'foreach' statement for tuple datatype in pig scripts?

610

How can we see only top 15 records from the student.txt out of100 records in the HDFS directory?

579

What are the limitations of the Pig?

569

is it posible to join multiple fields in pig scripts?

528

What are all stats classes in the org.apache.pig.tools.pigstats package?

567

What is Pig Statistics? What are all stats classes in the Java API package available?

575

How does the Pig platform handle relational systems data?

545

why should we use 'filters' in pig scripts?

559

Does 'ILLUSTRATE' run a MapReduce job?

527

What Is Difference Between Mapreduce and Pig ?

626

What is the use of BloomMapFile?

683

Explain the uses of Map Reduce in Pig?

551

What are different String functions available in PIG?

595

Un-Answered Questions { Big Data }

What do you understand by the term snitch in cassandra?

What is write ahead log(journaling) in Spark?

427

Explain about tajo worker configuration?

Is the keyword ‘DEFINE’ as a function name?

572

What is Shuffling and Sorting in a MapReduce?

661

What are the challenges Of Distributed Applications?

What is active and passive NameNode in HDFS?

228

What advantages does Spark offer over Hadoop MapReduce?

297

Define sparkcontext in apache spark?

313

Does cloudera offer a vm for demonstrating impala?

List the five important v’s of big data.

479

How to copy a file into HDFS with a different block size to that of existing block size configuration?

Can we broadcast an rdd?

300

How can we assure that the values regarding a particular key goes to the same reducer?

607

what are the key components of hbase?

173

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