30 Questions
What percentage of enterprise data is typically composed of unstructured data?
80%
What type of data is generated from sensors, smart meters, and medical devices?
Machine-generated Structured Data
What is an example of semi-structured data?
XML files
What is the main characteristic of unstructured data?
It doesn't fit into a structured database format
What is an example of human-generated structured data?
CRM data
What type of data is generated from web servers, applications, and networks?
Web log data
What enables two applications to talk to each other?
API
What is the primary purpose of redundant physical infrastructure in Big Data?
To ensure data availability and reliability
What is the main concern addressed by security infrastructure in Big Data?
Identity verification and data privacy
What is an example of a distributed file system in Big Data?
Cloud storage
What is the primary function of firewalls in Big Data security?
To monitor and filter incoming data packets
What is a characteristic of Big Data architecture?
Distributed data processing
What type of data is generated when a user clicks a link on a website?
Click-stream data
What is an example of human-generated unstructured data?
Text internal to your company
What is a schema in a relational database?
A structural representation to define database elements
What is an example of machine-generated unstructured data?
Satellite images
What is the main characteristic of data stored in a relational database?
Data is stored in tables
What type of data includes information about a user's interactions with a game?
Gaming-related data
What is the primary challenge of big data in terms of processing capacity?
Data exceeds the processing capacity of conventional database systems
What is the estimated cost of 1 TB of disk storage?
$35
What is the estimated time it takes to read 1 TB of disk?
3 hours
What are the three V's of big data?
Volume, Velocity, and Variety
What is an example of web data?
E-commerce
How much data does Facebook process daily?
60 TB
What is a key advantage of using cloud-based apps over traditional software installation?
Access to spare processing resources
What is the primary purpose of platform as a service (PaaS)?
To provide a complete development and deployment environment
Why is distributed computing necessary for handling big data?
To enable the distribution of components across a series of nodes
What enables the treatment of all nodes of a data center as one big pool of computing?
Virtualization technology
What is a node in distributed computing?
An element contained within a cluster of systems or within a rack
What is the main challenge in getting performance right for big data?
Having a faster computer
Test your knowledge of Big Data concepts, including Hadoop and Spark systems, distributed computing, and data collection and warehousing. Assess your understanding of the fundamental principles of Big Data and its applications.
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