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 document store db?

Explain the different types of repairs.

What do you mean by snitch?

How does gossip protocol work?

What is column store db? Explain with an example.

What is simple strategy?

125

Why is jconsole used? What is it’s different elements?

What is jmx? And how is it useful in cassandra?

What are the different types of data model?

How does cassandra perform write operations?

Why is cqlsh used?

130

What are tokens in cassandra?

What is a column family?

Explain the terms memtable, commitlog and sstables.

What is hinted handoff?

Un-Answered Questions { Big Data }

How to start hbase services?

210

Describe the run-time architecture of Spark?

272

Define the term Column Families?

What is SparkSession in Apache Spark? Why is it needed?

370

What is a scarce system resource?

620

What are Actions? Give some examples.

300

How to keep files in HDFS?

Explain about the core components of Flume?

What are the different CQL data definition commands in Cassandra?

How to debug Hadoop code?

492

When you are dealing with static data instead of dynamic data?

695

Which method is used to access HFile directly without using HBase?

203

List out the various advantages of dataframe over rdd in apache spark?

289

How many job tracker processes can run on a single Hadoop cluster?

451

What are the barriers?

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