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

Big Data Interview Questions

Questions Answers Views Company eMail

How would you tackle counting words in several text documents?

1022

What are the Basics of Hadoop?

928

Explain the shuffle?

911

How blocks are distributed among all data nodes for a particular chunk of data?

1090

How can I install Cloudera VM in my system?

956

How we can take Hadoop out of Safe Mode?

IBM,

855

What is Writable & WritableComparable interface?

924

What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?

1075

What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

1032

What is HDFS block size and what did you chose in your project?

974

What is HDFS High Availability?

962

What are different types of filesystem?

1141

how can we change Replication Factor?

1019

What is Hive Present Version ?

1092

What is the purpose of Hive Driver?

1050

Un-Answered Questions { Big Data }

What is the Physical plan in pig architecture?

530

Explain what if rack 2 and datanode fails?

636

What problem does Apache Pig solve?

801

Define sparkcontext in apache spark?

313

What are benefits of Spark over MapReduce?

453

What is setmaster in spark?

310

What is pseudo-distributed mode?

605

Explain the core components of hadoop?

661

State the usage of 'filters', 'group' , 'orderBy', 'distinct' keywords in pig scripts?

659

What is an offset?

501

Explain apache kafka?

518

What is the procedure to recover a namenode when it is slow?

651

Explain the CLI In Zookeeper?

What are the different components that are available in kafka?

509

Why do we need hadoop for big data analytics?

431

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