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

Big Data Interview Questions

Questions Answers Views Company eMail

In Hadoop what is InputSplit?

629

What is partitioning in MapReduce?

716

What is the definition of Hive?

732

What is the current version of Hive?

766

Explain about ACID transactions in Hive?

731

Is it possible to change the default location of Managed Tables in Hive, if so how?

719

Is it possible to add 100 more nodes when we already have 100 nodes in Hive?

1259

What is the default database provided by Apache Hive for metastore?

647

What is Buckets in Hive?

744

How will you consume CSV file into the Hive warehouse using built SerDe?

807

What is the difference between Hiveserver1 and Hiveserver2?

802

How to Rename a table in Hive

752

What are the advantages and Disadvantages in archieving partition in Hive?

746

When to choose "External Table" in Hive?

805

How to skip header rows from a table in Hive?

819

Un-Answered Questions { Big Data }

What is the use of expand cqlsh command in Cassandra?

What is executor and driver in spark?

284

Is spark a mapreduce?

301

How can we see all the hosts that are available in Ambari?

Can you define a block and block scanner in hdfs?

How to restart NameNode or all the daemons in Hadoop?

542

What is the purpose of RawComparator interface?

1128

Mention some machine learning algorithms exposed by mahout?

What is spark executor cores?

291

What is spark driver application?

269

Can you explain logistic regression?

411

Who divides the file into Block while storing inside hdfs in hadoop?

What does map transformation do? Provide an example.

316

Explain the term sstables?

What is bag data type in Pig?

678

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