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 is crontab? Explain with suitable example?

1099

What is the difference between Hadoop and Traditional RDBMS?

963

What is Partioner in hadoop? Where does it run

1028

Does Hadoop requires RAID?

998

What is the purpose of DataNode block scanner?

1017

What is a checkpoint?

1013

Did you ever ran into a lop sided job that resulted in out of memory error

1281

What is the communication channel between client and namenode/datanode?

1773

What are the different operational commands in HBase at record level and table level?

373

What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?

1220

What is the Job interface in MapReduce framework?

963

What is the problem with HDFS and streaming data like logs

1069

What is the Use of SSH in Hadoop ?

1000

What infrastructure do we need to process 100 TB data using Hadoop?

1052

What is the difference between a Hadoop and Relational Database and Nosql?

1118

Un-Answered Questions { Big Data }

List out Hadoop's three configuration files?

670

What is big data in dbms?

641

What are the differences between PIG and SQL?

684

What is impala?

130

When is it not recommended to use MapReduce paradigm for large scale data processing?

733

Can you explain record reader?

474

How does pig work?

647

What is a checkpoint?

1013

How to enable buckets in Hive?

1000

What are the responsibilities of a data analyst?

660

What is shuffling and sorting in Hadoop MapReduce?

686

What are secondary indexes?

103

What is Fault Tolerance?

572

How to skip header rows from a table in Hive?

866

What are the three components of Cassandra write?

122

For More Un-Answered { Big Data } Questions Click Here