Big Data Test 1 Exam Questions With Verified Answers
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Module
Big Data
Institution
Big Data
Big Data Test 1 Exam Questions With Verified Answers
Name one of the drivers of Volume in the Big Data Era?
Scalable infrastructure
Value from Big Data can be _______?
Profits
In the video, 2.5 Quintillion Bytes of data are equivalent to DVDs?
10 million
How many petabytes make u...
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Big Data Test 1 Exam Questions With Verified
Answers
Name one of the drivers of Volume in the Big Data Era?
Scalable infrastructure
Value from Big Data can be _______?
Profits
In the video, 2.5 Quintillion Bytes of data are equivalent to DVDs?
10 million
How many petabytes make up an exabyte?
1024
What is an example of a source of semi-structured big data?
JSON files
When is it estimated that the date we create and copy will reach around 35 zettabytes?
2020
What is the process of cleaning and analyzing data to derive insight and value from it?
Data Science
What is the search engine used by Walmart?
Polaris
An example of visualizing Big Data is _______?
Temperature on a map
What is the term used to describe an holistic approach that takes into account all available and
meaningful information about a customer to drive better engagement, revenue and long term
loyalty?
Enhanced 360-degree view
What can help organizations to find new associations or uncover patterns and facts to significantly
improve intelligence, security and law enforcement?
Analyzing data in-motion and at rest
In Operations Analysis, we focus on what type of data?
Machine Data
What is a method of storing data to support the analysis of originally disparate sources of data?
Data Lakes
, Data Warehouses provide online analytic processing: T/F
True
What does "OLAP" stand for?
Online Analytical Processing
-Data storage device to store and retrieve digital information
- uses a mechanical arm with a read/write head to move around and read information from the right
location
Hard Disk Drive
Storage device, Information is stored in microchips
Solid State Drive
- the physical hardware inside a computer that temporarily stores data
- allows a computer to work with more information at the same time
Random Access Memory
responsible for interpreting and executing most of the commands from the other parts of a computer
Central Processing Unit
renders images, animations and video for the computer's screen
Graphics Processing Unit
connects all the parts
Motherboard
any physical connection point
computenode
- compute node blade
- each blade is a node
Blade server
physical infrastructure is fundamental to operation
Data center
1. Computing machines
2. invention of relational data model
3. added SQL
4. large amounts of data slows down processing
5. enter data warehouse/mart
6. enter web and content management
7. managing big data (cloud storage and network speed)
Path and evolution of Data Management
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