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

Big Data Interview Questions

Questions Answers Views Company eMail

Does Cassandra works on Windows?

What is Cassandra Data Modelling ?

100

Name the ports Cassandra uses?

What is Cassandra Data Model?

What is a Seed Node in Cassandra ?

What are the three components of Cassandra write?

122

What do you understand by Thrift?

What is Thrift?

Explain what is a keyspace in Cassandra?

What do you mean by commit log in Cassandra?

What is SuperColumn in Cassandra?

111

What is a Cluster, Node and Key space in Cassandra ?

207

What is node in Cassandra?

Elaborate on CQL?

What is the purpose of JConsole?

Un-Answered Questions { Big Data }

Mention what are the most common input formats defined in hadoop?

487

Is apache spark going to replace hadoop?

376

What is the primary purpose of sqoop in the hadoop architecture?

What are the libraries of spark sql?

308

How do you run the pig scripts in local mode?

557

What is driver and executor in spark?

328

What ensures load balancing of the server in Kafka?

699

What is the role of recordreader in hadoop mapreduce?

795

What is spark mapvalues?

300

What does rdd mean?

333

What is the block size in Hadoop?

479

What is Apache Spark Machine learning library?

337

What is the difference between namenode and datanode in hadoop?

544

How does hdfs give great throughput?

What are the types of hive ddl commands?

814

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