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 spark deploy mode?

313

What is a dataframe spark?

248

How do you integrate spark and hive?

322

Can spark be used without hadoop?

270

What is lambda architecture spark?

319

What is difference between client and cluster mode in spark?

383

What is apache spark in big data?

272

What is apache spark and what is it used for?

328

What is the difference between cache and persist in spark?

331

What is executor memory in spark?

324

What is master node in spark?

304

What is difference between dataset and dataframe in spark?

318

What is lineage graph in spark?

285

Why do we use persist () on links rdd?

295

What is dataframe in spark?

289

Un-Answered Questions { Big Data }

Explain the Scope operators used in hbase?

182

Why Ambari?

200

How can we assure that the values regarding a particular key goes to the same reducer?

607

What is in memory processing in spark?

275

What do you understand by Pair RDD?

385

What daemons run on master nodes?

485

Can we run unix shell commands from the hive? Give example?

746

What are 3 core dimension of big data?

554

What is the importance of eval tool?

What are the areas where ambari helps the system administrators to do?

Define a daemon?

668

Use of Codegen command in Hadoop sqoop?

How is hdfs block size different from traditional file system block size?

Who developed Apache Avro?

explain the use of blinkdb?

288

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