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

Big Data Interview Questions

Questions Answers Views Company eMail

Define partitions in apache spark.

2166

Is there an api for implementing graphs in spark?

2016

Explain accumulators in apache spark.

2062

What file systems does spark support?

1771

What is a dstream in apache spark?

2023

Explain the concept of resilient distributed dataset (rdd).

2036

What do you understand by schemardd in apache spark rdd?

2265

What are roles in cqlsh?

what is gossip protocol?

What are snapshots and how do you create one in cassandra?

What is the use of coordinator node in read?

Explain the different logging levels in cassandra.

What are clusters in cassandra?

What is network topology strategy?

How is a keyspace created in cassandra? & What are the parameters used?

Un-Answered Questions { Big Data }

What is the port number for NameNode

800

What is the heartbeat used for?

1004

Explain about the partitioning, shuffle and sort phase in MapReduce?

786

When was spark introduced?

318

What is hadoop framework?

665

LOWER or LCASE function in Hive with example?

663

Suppose there is file of size 514 mb stored in hdfs (hadoop 2.x) using default block size configuration and default replication factor. Then, how many blocks will be created in total and what will be the size of each block?

125

Whether Pig Latin language is case-sensitive or not?

620

Define sparkcontext in apache spark?

299

What are the challenges Of Distributed Applications?

What are components of Cassandra Data Model?

Why is spark good?

269

What is lineage graph?

444

Is hadoop obsolete?

591

explaine wal in hbase?

168

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