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 are the steps involved in decommissioning removing

1014

What is the process to change the files at arbitrary locations in HDFS?

1418

What is difference between split and block in hadoop?

1394

How many JVMs run on a slave node?

1039

What is a block and block scanner in HDFS?

1030

What is compute and Storage nodes?

1024

how would you modify that solution to only count the number of unique words in all the documents?

973

How can you overwrite the replication factors in HDFS?

1247

What are the modules that constitute the Apache Hadoop 2.0 framework?

1005

Knox and Hadoop Development Tools?

926

In which location Name Node stores its Metadata and why?

1393

Is a job split into maps?

1036

What are different hdfs dfs shell commands to perform copy operation?

1060

If a data Node is full how it's identified?

937

How many filters are available in HBase?

441

Un-Answered Questions { Big Data }

What is the task of Spark Engine

326

How to exit the vi editor?

732

Why Should we use Apache Kafka Cluster?

591

Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?

428

How can we remove a znode?

How data is spilt in Hadoop?

643

What are the major areas where Ambari helps the system administrators to do?

How do I download adobe spark?

372

How do I download apache mahout?

Define replication strategy?

What is streaming access?

495

In Hive, how can you enable buckets?

738

What are the independent extensions that are contributed to the ambari codebase?

What is spark execution engine?

370

Explain what is logging in Cassandra?

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