Chapter 3 Quiz

Which challenge of big data storage is characterized by the need to make data accessible from anywhere at anytime?

• access

• security

• management

• analytics

What characterizes data management problems associated with big data storage?

• maintaining the integrity of stored data

• generating and collecting data from multiple sources

• ensuring that data is accessible from anywhere at anytime

• making data only available to authorized users

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 formatting

• data mining

• data selection

True or False?

Data is defined as big data if it is more than 1 petabyte.

• true

• false

What are three features of Hadoop? (Choose three.)

• uses HDFS as a fault tolerant file system

• easily scalable cluster sizes

• automatic replication of data across clusters

• requires proprietary software

• must run on a single virtual machine

Making data accessible to only authorized users addresses which data storage problem associated with big data?

• management

• redundancy

• access

• security

True of False?

Structured data is easier to analyze and store than unstructured data.

• true

• false

What is cloud computing?

• a process that turns raw data into meaningful information using patterns and relationships in data sets

• 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

What type of data is being collected when an organizations using spreadsheets and forms for data input?

• structured data

• application data

• unstructured data

• raw data

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?

• cloud computing

• distributed processing

• data mining

• fog computing