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?

249

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?

319

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 }

Why do we need MapReduce during Pig programming?

644

How can you connect an application

1028

Explain HBase Architecture in brief?

200

What is atom in pig?

538

How many compaction types are in HBase?

181

Define the run-time architecture of Spark?

286

What is Cassandra Data Model?

What are the Basics of Hadoop?

930

What is Sparse Vector?

339

Explain how cassandra writes changed data into commitlog?

On what basis name node distribute blocks across the data nodes in HDFS?

What is rdd in spark with example?

281

How to change the replication factor of data which is already stored in HDFS?

What is the default spark executor memory?

281

What are keywords?

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