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

Big Data Interview Questions

Questions Answers Views Company eMail

When should we use SORT BY instead of ORDER BY?

690

Mention how can you stop a partition form being queried?

1115

Mention if we can name view same as the name of a Hive table?

689

What are Features of Hive?

724

Difference between HBase vs Hive?

722

Difference between order by and sort by in Hive?

725

What is Internal and External table in Hive?

714

What are the different components of a Hive architecture?

837

Explain how Hive Deserialize and serialize the data?

737

Mention what is ObjectInspector functionality in Hive?

741

Mention what is the difference between Hbase and Hive?

692

What is Clustring in Hive?

739

Mention Hive default read and write classes?

752

what are views in Hive?

760

In Hive, how can you enable buckets?

738

Un-Answered Questions { Big Data }

Explain how jobtracker schedules a task?

465

What is the difference between map and flatmap?

305

What are broadcast variables in Apache Spark? Why do we need them?

311

How many types of rdd are there in spark?

316

What do you mean by commit log in Cassandra?

Who should learn Apache Ambari?

How many datanodes can run on a single Hadoop cluster?

452

In which location Name Node stores its Metadata and why?

1393

What is TaskTracker?

482

What is application master in spark?

277

What is a Speculative Execution in Hadoop MapReduce?

652

What are the main configuration parameters in a MapReduce program?

635

Explain about the core components of Flume?

List of some best tools that can be useful for data-analysis?

431

Explain some Disadvantages of Avro?

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