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Q1) Which attribute of big data involves an exponential data growth rate?
Group of answer choices
- volume
- value
- variety
- velocity
Q2) True or False?
Web scraping tools are used to extract and manipulate structured data.
Group of answer choices
- false
- true
Q3) What type of data is being collected when an organization is using spreadsheets and forms for data input?
Group of answer choices
- application data
- raw data
- structured data
- unstructured data
Q4) True or False?
Distributed data processing involves large databases being centrally processed by powerful mainframe computers and stored in giant disk arrays.
Group of answer choices
- false
- true
Q5) True of False?
Structured data is easier to analyze and store than unstructured data.
Group of answer choices
- false
- true
Q6) Which type of data can be used by a business to support managerial analysis tasks and organizational decision making?
Group of answer choices
- analyzed data
- saved data
- raw data
- transactional data
Q7) What is cloud computing?
Group of answer choices
- a comprehensive ecosystem of open-source software for big data management
- a system of data centers or connected servers that provide anywhere/anytime access to data and applications
- an architecture that utilizes edge devices for data preprocessing and storage
- a process that turns raw data into meaningful information using patterns and relationships in data sets
Q8) 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?
Group of answer choices
- cloud computing
- distributed processing
- data mining
- fog computing
Q9) 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?
Group of answer choices
- raw data
- transactional data
- saved data
- analytical data
Q10) True or False?
Data is defined as big data if it is more than 1 petabyte.
Group of answer choices
- false
- true
Q11) Which challenge of big data storage is characterized by the need to make data accessible from anywhere at anytime?
Group of answer choices
- analytics
- management
- security
- access
Q12) What are three features of Hadoop? (Choose three.)
Group of answer choices
- must run on a single virtual machine
- uses HDFS as a fault tolerant file system
- requires proprietary software
- automatic replication of data across clusters
- easily scalable cluster sizes
Q13) Making data accessible to only authorized users addresses which data storage problem associated with big data?
Group of answer choices
- access
- security
- management
- redundancy
Q14) What is the process of discovering patterns and relationships in large data sets in order to convert raw data into meaningful information?
Group of answer choices
- data formatting
- data selection
- data querying
- data mining
Q15) What characterizes data management problems associated with big data storage?
Group of answer choices
- generating and collecting data from multiple sources
- maintaining the integrity of stored data
- making data only available to authorized users
- ensuring that data is accessible from anywhere at anytime
