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

Big Data Interview Questions

Questions Answers Views Company eMail

Can we use windows for hadoop?

440

What are the hadoop configuration files at present?

424

Can we create a hadoop cluster from scratch?

395

What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?

411

In which directory hadoop is installed?

360

Does hadoop follows the unix pattern?

387

What is the hadoop-core configuration?

433

What is bucketing ?

628

Can we load data into a view?

647

Difference between hive and impala?

686

What are the types of hive ddl commands?

708

How can you stop a partition form being queried?

720

What is the default location where hive stores table data?

647

What are types of hive built-in functions?

694

Why do we need hive?

684

Un-Answered Questions { Big Data }

Explain tajo configuration files?

Give examples of some companies that are using Hadoop structure?

393

What is mapreduce algorithm?

550

How can client interact with Hive?

646

What is Apache Hadoop YARN?

1413

What is the use of “ResultSet execute(Statement statement)” method?

What problems can be addressed by using Zookeeper?

899

What happens if rdd partition is lost due to worker node failure?

436

What is a "Spark Driver"?

312

What do you mean by replication factor?

Name the most common Input Formats defined in Hadoop? Which one is default?

431

Explain Hadoop streaming?

440

What is a ledger in bookkeeper?

What is available mechanism for connecting from applications, when we run hive as a server?

721

What is KeyValueTextInputFormat in Hadoop MapReduce?

762

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