Font size
WorksheetsIoT 3 Big Data
Total questions: 15
Worksheet time: 8mins
A business is analyzing sales information as the sales data is being generated from the point-of-sale (POS) machines. What type of data is captured and processed as the events happen?
analytical data
raw data
saved data
transactional data
What are three features of Hadoop? (Choose three.)
requires proprietary software
uses HDFS as a fault tolerant file system
easily scalable cluster sizes
must run on a single virtual machine
automatic replication of data across clusters
True or False?
Web scraping tools are used to extract and manipulate structured data.
True
False
True or False?
Data is defined as big data if it is more than 1 petabyte.
True
False
What is the process of discovering patterns and relationships in large data sets in order to convert raw data into meaningful information?
data querying
data mining
data selection
data formatting
An organization is concerned with the amount of sensor data that is being generated locally, analyzed in the cloud, and returned for processing at the local site. Which solution will keep the data closer to the source for preprocessing?
distributed processing
fog computing
data mining
cloud computing
Which challenge of big data storage is characterized by the need to make data accessible from anywhere at anytime?
analytics
access
security
management
What is cloud computing?
an architecture that utilizes edge devices for data preprocessing and storage
a system of data centers or connected servers that provide anywhere/anytime access to data and applications
a comprehensive ecosystem of open-source software for big data management
a process that turns raw data into meaningful information using patterns and relationships in data sets
True or False?
Distributed data processing involves large databases being centrally processed by powerful mainframe computers and stored in giant disk arrays.
True
False
Which attribute of big data involves an exponential data growth rate?
value
velocity
volume
variety
What type of data is being collected when an organization is using spreadsheets and forms for data input?
unstructured data
application data
structured data
raw data
Which type of data can be used by a business to support managerial analysis tasks and organizational decision making?
raw data
transactional data
analyzed data
saved data
True of False?
Structured data is easier to analyze and store than unstructured data.
True
False
What characterizes data management problems associated with big data storage?
generating and collecting data from multiple sources
ensuring that data is accessible from anywhere at anytime
making data only available to authorized users
maintaining the integrity of stored data
Making data accessible to only authorized users addresses which data storage problem associated with big data?
redundancy
management
security
access
