data analysis test 1

An example of raw data from an automobile manufacturer would be:

1 Subaru Outback sold January 7, 2015 in Mount Kisco, New York for $25,000.

Which of the following is the best definition of an information system? Correct!

A set of interrelated components that collect (or retrieve), process, store, and distribute information to support decision making and control in an organization

What is the term used to describe data sets are so large and complex that they become difficult to process using traditional data processing applications?

Big data

What does Adaptive and Autonomous analytics do?

Builds a real-world model, takes actions and learns from the environment

Which of the following is considered to be the fastest growing form of computing?

Cloud computing

What type of analysis can be used to segment a population of consumers into market groups?

Cluster analysis

Which of the following allows users to add, change, delete, or retrieve data in a database?

Data manipulation language

When querying a dimensional database, a user went from summarized data to its underlying details. The function that served this purpose is

Drill-down

All of the following describe the effects of globalization except:

Increase in transaction cost

What is one of the reasons that R is a leading statistical data package?

It allows the import of data from multiple sources and multiple formats

Which of the following enables users to view the same data in different ways using multiple dimensions?

OLAP

You are working at a startup company that wants to embed analytics into their product. What tool would allow you to do this?

Python

Which of the following is the type of logical database model that treats data as if they were stored in two-dimensional tables?

Relational DBMS

In a table for customers, the information about a single customer would reside in a single:

Row

All of the following are tools or technologies for extracting information from unstructured data sets except:

SQL queries.

The client all gives you all email communication they have received in the last six months that have included the words "complaint", "manager", or "dissatisfied". What type of data is this?

Semi-structured

Which of the following types of computer is used for weather forecasting on a national or worldwide scale?

Supercomputer

Which of the following statements about client/server computing is not true?

The bulk of processing occurs on the client.

Which of the following would you use to find out which websites with content related to database design were the most often linked to by other websites?

Web structure mining

Which of the following would you use to find patterns in user interaction data recorded by web servers?

Web usage-mining

Running a Java program on a computer requires:

a Java Virtual Machine to be installed on the computer.

Virtualization:

can boost server utilization rates to 70% or higher.

The business case for using grid computing involves all of the following except:

centralized maintenance

The select operation:

creates a subset consisting of all records in the file that meet stated criteria.

The project operation:

creates a subset consisting of columns in a table.

Which of the following is an automated or manual file that stores information about data elements and data characteristics such as usage, physical representation, ownership, authorization, and security?

data dictionary

Data mining is more ________ than OLAP.

discovery driven

The use of multiple computers linked by a communications network for processing is called:

distribution process

In a ________ computing model, companies use their own infrastructure for essential computing tasks and adopt public cloud computing for less critical operations or additional processing during peak business periods.

hybrid cloud

Verizon's implementation of a web-based digital dashboard to provide managers with real-time information, such as customer complaints, is an example of:

improved decision making

A one-to-one relationship between two entities is symbolized in a diagram by a line that ends:

in two short marks

A data mart usually can be constructed more rapidly and at lower cost than a data warehouse because:

it typically focuses on a single subject area or line of business.

The average number of baseball tickets sold at a particular price is an example of:

meaningful information

The process of streamlining data to minimize redundancy and awkward many-to-many relationships is called:

normalization

In terms of the data relationships found by data mining, associations refers to:

occurrences linked to a single event.

Hadoop is a(n):

open-source software framework designed for distributing data-processing over inexpensive computers.

The logical view of a database:

presents data as they would be perceived by end users.

Converting raw data into a more meaningful form is called:

processing

All of the following are examples of wearable computing devices except:

smartphones

A client presents you with data sets for analysis. These sets are well defined and include customers names, ages, and other identifying data. What type of data is this?

structured

A firm that invests in an information system because it is a necessity of doing business does so because it is seeking to achieve which of the following business objectives?

survival

Which business objective were competitors seeking when they rushed to provide ATMs as well after Citibank introduced the first ATMs in New York?

survival

A database into which employees manually input customer names and addresses is riddled with errors and you have been charged with rectifying the situation. In considering the organizational dimensions of this problem, you should consider:

the business processes in place governing the manual input of the data.

All of the following statements about data mining are true EXCEPT

the process aspect means that data mining should be a one-step process to results.

Data management technology consists of:

the software governing the organization of data on physical storage media.

A one-to-many relationship between two entities is symbolized in a diagram by a line that ends:

with a crow's foot preceded by a short mark.