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

Big Data Interview Questions

Questions Answers Views Company eMail

Mention what is apache kafka?

560

Mention what is the traditional method of message transfer?

614

Mention what is the benefits of apache kafka over the traditional technique?

665

How many distinct layers are of storm’s codebase?

644

Explain how you can improve the throughput of a remote consumer?

597

List the various components in kafka?

572

Mention what is the maximum size of the message does kafka server can receive?

578

Explain about the execution plans of a pig script?
or
differentiate between the logical and physical plan of an apache pig script?

527

You have a file employee.txt in the hdfs directory with 100 records. You want to see only the first 10 records from the employee.txt file. How will you do this?

1006

I have a relation r. How can I get the top 10 tuples from the relation r?

626

What is presto verifier?

What is jmx connector?

What are the presto applications?

What are the log files of the presto server?

Why should we use presto?

Un-Answered Questions { Big Data }

Give the differences between the different types of primary keys in cassandra?

Do we need to give a password, even if the key is added in ssh?

773

What is high availability in hadoop?

721

What MapReduce framework consists of?

1158

Explain HCatInputFormat?

Can we run unix shell commands from hive? Can hive queries be executed from script files? How? Give an example.

853

Explain what is sequencefileinputformat?

502

What are different modes of execution in Apache Pig?

923

How does Cassandra write?

On What concept the Hadoop framework works?

1237

what is meaning Replication factor?

1001

what are the steps involved in commissioning adding

956

State benefits of Hadoop users by using Apache Ambari?

Explain HCatInputFormat and HCatOutputFormat?

What is the difference between SQL and NoSQL?

1145

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