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

Big Data Interview Questions

Questions Answers Views Company eMail

Is kafka open source?

502

Why do we need hdfs?

What are 4 v's of big data?

292

What is dataproc cluster?

300

What is mlib?

291

What is pregel api?

307

Why is rdd immutable?

314

What is difference between spark and scala?

263

What is difference between spark and kafka?

297

What is hadoop spark?

299

What do spark executors manage?

285

How does spark work with python?

298

What is spark executor cores?

291

What is spark in python?

290

Who invented spark?

410

Un-Answered Questions { Big Data }

How to Delete file from HDFS?

Define data integrity? How does hdfs ensure data integrity of data blocks stored in hdfs?

What are the components of Spark Ecosystem?

303

What are the different types of filaters used in hbase?

184

Explain the difference between mapreduce engine and hdfs cluster?

130

Whats the default port that jobtrackers listens ?

479

Is there a module to implement sql in spark?

278

What bit version that ambari needs and also list out the operating systems that are compatible?

What is the function of consistency cqlsh command in Cassandra?

How can you see the list of stored jobs in sqoop metastore?

How to submit extra files(jars, static files) for MapReduce job during runtime?

671

What do you understand by mem-table in cassandra?

How to restart NameNode or all the daemons in Hadoop?

542

Can you explain textinformat?

497

Can you define oozie?

520

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