IOT chapter 4
How much data was generated in the last 2 years?
90%
Which challenges of big data storage is characterized by the need to make data accessible from anywhere at anytime?
Access
What is 1 advantage to cloud computing?
Access data anywhere
What type of data is being collected when an organization is using spreadsheets and forms for data input?
Analyzed data
What is the process of discovering patterns and relationships in large data sets in order to convert raw data into meaningful information?
Data mining
Data is useful even if it is not analyzed
False
Data is useful even if not analyzed
False
Distributed data processing transactions large databases being centrally processed by powerful mainframe computers and stored in the giant disk arrays.
False
Web scraping tools are used to extract and manipulate data.
False
Which chart is used to determine a trend over time?
Line chart
Making data accessible to only authorized users addresses which data storage problem associated with big data?
Security
What type of data is being collected when an organization is using spreadsheets and forms for data input?
Structured data
Distributed data processing and breaking large data volumes into smaller pieces that are distributed to many computers for processing
True
What is cloud computing?
a process that turns raw data into meaningful information using patterns and relationships in data sets
What are the three features of hadoop
uses HDFS as a fault tolerant file system easily scalable cluster size automatic replication of data across cluster
An organization is concerned with the amount of sensor data that is being generated locally, analyzed in the cloud. Which solution will you keep closer to the source for preprocessing?
Fog Computing
What characterizes data management problems associated with big data storage?
Generating and collecting data from multiple sources
A business is analyzing sales information as the sales data is being generated form the point-of- sale (POS) machines. What type of data is captured and processed as the events happen?
Transactional data
Distributed data processing and breaking large data volumes into smaller pieces that are distributed to many computers for processing.
True
What are web scrap tools used for pick 2
Unstructured data Extract data
Which attribute of big data involves an exponential data growth rate?
Velocity