BDF - UNIT 1, UNIT 2

Data in ____ bytes size is called Big Data.

• terabytes
• megabytes
• kilobytes
• gigabytes

In Big Data environments, Velocity refers –

• Speed at which data is generated and processed
• The accuracy of the data analysis
• The variety of data sources
• The size of the data being processed

Data that does not conform to a data model or data schema is known as ______.

• messy data
• structured data
• random data
• unstructured data

Amongst which of the following is/are not Big Data Technologies?

• Kafka

• MongoDB, Cassandra
• Hadoop, Spark
• Microsoft Excel, MySQL

Big data deals with high-volume, high-velocity and high-variety information assets,

• True

• False

Amongst which of the following represents the Use of Hadoop,

• 1. Robust and Scalable

• 1. Affordable and Cost Effective

• 1. Adaptive and Flexible

• 1. All of the mentioned above

_____ is a platform for developing data flows for the extraction, transformation, and loading (ETL) of huge datasets, as well as for data analysis.

• 1. Spark

• 1. HBase

• 1. Hive

• 1. Pig

Custom extensions built in the ____ programming language are also supported by Hive.

• 1. Java

• 1. C#

• 1. C

• 1. C++

____ general-purpose model and runtime framework for distributed data analytics.

• 1. Mapreduce

• 1. Spark

• 1. Hive

• 1. All of the mentioned above

The MapReduce framework is responsible for processing one or more pieces of data and producing the output results as ______.

• 1. Maptask

• 1. Task execution

• 1. Mapper

• 1. All of the mentioned above