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?

477

What are the hadoop configuration files at present?

475

Can we create a hadoop cluster from scratch?

436

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

454

In which directory hadoop is installed?

405

Does hadoop follows the unix pattern?

425

What is the hadoop-core configuration?

463

What is bucketing ?

683

Can we load data into a view?

701

Difference between hive and impala?

727

What are the types of hive ddl commands?

770

How can you stop a partition form being queried?

765

What is the default location where hive stores table data?

690

What are types of hive built-in functions?

742

Why do we need hive?

723

Un-Answered Questions { Big Data }

What are the default configuration files that are used in hadoop?

691

Explain the operation transformation and action in Apache Spark RDD?

326

List the popular use cases of Apache Spark?

289

What are znodes?

What does the mapred.job.tracker command do?

425

What is tunable consistency in Cassandra?

What is kafka message?

498

Explain what is zookeeper in kafka? Can we use kafka without zookeeper?

534

While loading data into a hive table using the load data clause, how do you specify it is a hdfs file and not a local file ?

730

What are the core components of Hadoop?

508

Explain what is difference between an input split and hdfs block?

What is non-dfs used in hdfs web console

Is a job split into maps?

1036

Define primary key in Apache Cassandra?

Can the name of a view be same as the name of a hive table?

758

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