week three

Question 1

The extensive use of data and quantitative analysis to support fact-based decision making within organizations.

Answer 1

analytics

Question 2

The term used to describe data collections that are so enormous (terabytes or more) and complex (from sensor data to social media data) that traditional data management software, hardware, and analysis processes are incapable of dealing with them.

Answer 2

big data

Question 3

A Bi analytics tool used to explore large amounts of data for hidden patterns to predict future trends and behaviors for use in decision making.

Answer 3

data mining

Question 4

A wide range of applications, practices, and technologies for the extraction, transformation, integration, visualization, analysis, interpretation, and presentation of data to support improved decision making.

Answer 4

business intelligence

Question 5

A way to store and retrieve data that is modeled using some means other than the simple two-dimensional tabular relations used in relational database.

Answer 5

NoSQL datbase

Question 6

A wireless communications specification that describes how cell phones, computers, faxes, printers, and other electronic devices can be interconnected over distances of 10 to 30 feet at a rate of about 2 Mbps.

Answer 6

bluetooth

Question 7

A system that maps the name people use to locate a Web site to the IP address that a computer uses to locate a Web site.

Answer 7

domain name system

Question 8

An internal corporate network built using Internet and World Wide Web standards and products.

Answer 8

intanet

Question 9

A 64-bit number that identifies a computer on the Internet.

Answer 9

IP address

Question 10

A network device that directs data packets to other networks until each packet reaches its destination.

Answer 10

router

Question 11

A “store everything” approach to big data that saves all the data in its raw and unaltered form.

Answer 11

data lake

Question 12

A subset of a data warehouse that is used by small and medium-sized businesses and departments within large companies to support decision making.

Answer 12

data mart

Question 13

A large database that holds business information from many sources in the enterprise, covering all aspects of the company’s processes, products, and customers

Answer 13

data warehouse

Question 14

A markup language for defining the visual design of a Web page or group of pages.

Answer 14

cascading style sheet (CSS)

Question 15

The markup language designed to transport and store data on the Web.

Answer 15

extensible markup language (XML)

Question 16

The standard page description language for Web pages.

Answer 16

hypertext markup language (HTML)

Question 17

A Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a location on the host.

Answer 17

uniform resource locator (URL)

Question 18

Which term describes a large database that holds business information from many sources in the enterprise, covering all aspects of the company’s processes, products, and customers?

Answer 18

Data warehouse

Question 19

Which term describes an entity that can store and retrieve data that is modeled using some means other than the simple two-dimensional tabular relations used in relational databases?

Answer 19

NoSQL database

Question 20

True or False:

NoSQL databases do not require a predefined schema.

Answer 20

True

Question 21

Which term can be defined as the extensive use of data and quantitative analysis to support fact-based decision making within organizations?

Answer 21

Analytics

Question 22

True or False:

A router directs data packets to other networks until each packet reaches its destination.

Answer 22

True

Question 23

Which term refers to highlighted text or graphics in a Web document that, when clicked, opens a new Web page containing related content?

Answer 23

Hyperlink

Question 24

Which term refers to a tool that enables you to find information on the Web by specifying words that are key to a topic of interest, known as keywords?

Answer 24

Search engine

Question 25

Which term refers to online, real-time communication between two or more people who are connected via the Internet?

Answer 25

Instant messaging

Question 26

# True or False: A word cloud is a visual depiction of a set of words that have been grouped together because of the frequency of their occurrence.

Answer 26

True

Question 27

# True or False: A Monte Carlo simulation is a simulation that enables you to see a spectrum of thousands of possible outcomes, considering not only the many variables involved, but also the range of potential values for each of those variables.

Answer 27

True

Question 28

# True or False: An internet service provider (ISP) is any organization that provides internet access to people.

Answer 28

True

Question 29

# True or False: Text analysis is a procedure for extracting value from large quantities of semi-structured text data.

Answer 29

False

Question 30

# True or False: Predictive analytics is a method for determining the relationship between a dependent variable and one or more independent variables.

Answer 30

False

Question 31

# True or False: A router is a network device that keeps a record of the MAC (Media Access Control) address of all the devices connected to it and uses this information to determine to which port a frame of data should be directed

Answer 31

False

Question 32

# True or False: A data scientist typically handles hardware maintenance, network administration, and focuses on day-to-day IT support tasks.

Answer 32

False

Question 33

# True or False: An intranet is an internal corporate network built using Internet and World Wide Web standards and products.

Answer 33

True

Question 34

# True or False: Video analysis is used to identify trends and patterns.

Answer 34

True

Question 35

# True or False: Channel bandwidth describes how fast communication will take place.

Answer 35

False

Question 36

# True or False: A data warehouse is a large database that holds business information from many sources in the enterprise, covering all aspects of the company’s processes, products, and customers.

Answer 36

True

Question 37

# True or False: The educational requirements for being a data scientist are quite rigorous.

Answer 37

True

Question 38

Which type of network uses multiple access points to link a series of devices that speak to each other to form a network connection across a large area?

Answer 38

Mesh

Question 39

Which type of technology does not involve a wireless mode of communication?

Answer 39

Switch

Question 40

# True or False: Computers and devices on networks are sometimes called network nodes.

Answer 40

True

Question 41

A secure connection between two points on the Internet that transfers information by encapsulating traffic in IP packets and sending the packets over the Internet is called _____.

Answer 41

Virtual Private Network

Question 42

A valuable tool that enables you to find information on the Web by specifying words that are key to a topic of interest, known as keywords is called _____.

Answer 42

Search engine

Question 43

Which term refers to an emerging approach to networking that allows network administrators to have programmable central control of the network via a controller without requiring physical access to all the network devices?

Answer 43

Software-defined network (SDN)

Question 43

Which term refers to a subset of a data warehouse that is used by small and medium-sized businesses and departments within large companies to support decision making?

Answer 43

Data mart

Question 44

Which term refers to systems software that controls the computer systems and devices on a network and allows them to communicate with each other?

Answer 44

Network operating system (NOS)

Question 45

Which term refers to the communications media, devices, and software connecting two or more computer systems or devices?

Answer 45

Computer network

Question 46

Which term refers to a process for predicting future values based on certain potential events?

Answer 46

Scenario analysis

Question 47

Which term refers to a preliminary data processing stage used to identify patterns in the data and answer questions about who, what, where, when, and to what extent?

Answer 47

Descriptive analysis

Question 48

Which term refers to a large database that holds business information from many sources in the enterprise, covering all aspects of the company’s processes, products, and customers.

Answer 48

Data warehouse

Question 49

Which term refers to a graphical representation that summarizes the steps a consumer takes in making the decision to buy your product and become a customer?

Answer 49

Conversion funnel