CST 192

Question 1 text Question 1 2.5 points Save

The inclusion of foreign keys might cause considerable data redundancy. This complexity has not diminished the popularity of relational databases, however.

Question 1 answers

True

False

Question 2 text Question 2 2.5 points Save

The fields related to the same entity make up a file.

Question 2 answers

True

False

Question 3 text Question 3 2.5 points Save

It is a good practice to create ____ periodically, so that decision makers have a clear picture of what data is available for reports

Question 3 answers

data diagrams

data models

object models

object charts

Question 4 text Question 4 2.5 points Save

It would be a waste of resources for an organization to have both a data warehouse and a transactional database.

Question 4 answers

True

False

Question 5 text Question 5 2.5 points Save

If the designer does not designate a field as a key, the DBMS creates its own serial number field as the ____ field for the table.

Question 5 answers

link key

primary key

user's key

secondary key

Question 6 text Question 6 2.5 points Save

It is not unusual for a data warehouse to have large tables with fifty or more fields (attributes).

Question 6 answers

True

False

Question 7 text Question 7 2.5 points Save

Many business databases consist of multiple tables with ____ among them.

Question 7 answers

Relationships

Arrows

Objects

Constraints

Question 8 text Question 8 2.5 points Save

Companies discourage their suppliers from joining their extranets.

Question 8 answers

True

False

Question 9 text Question 9 2.5 points Save

User's should never delete cookies from their computers.

Question 9 answers

True

False

Question 10 text Question 10 2.5 points Save

Business on the Web has changed significantly from its initial modality.

Question 10 answers

True

False

Question 11 text Question 11 2.5 points Save

Letting shoppers and readers select the type of ____ content they want is welcome, but sites should respect privacy by letting customers opt in rather than opt out.

Question 11 answers

e-mail

banner

page

Web

Question 12 text Question 12 2.5 points Save

Web surfers might not like ____, but advertisers love them, because they are an effective marketing tool.

Question 12 answers

kookies

flaming

phishing

pop-up windows

Question 13 text Question 13 2.5 points Save

In addition to impressions, rating companies measure other metrics. One is ____.

Question 13 answers

relative visitor pages

relative visitors per day

unique visitor clients

unique visitors per month

Question 14 text Question 14 2.5 points Save

Free advertising on the Web often takes the form of multiple mentions on blogs.

Question 14 answers

True

False

Question 15 text Question 15 2.5 points Save

Choices you make when selecting menu items, clicking buttons, and moving from one page to another are recorded. Such activities are often called cookie investigation.

Question 15 answers

True

False

Question 16 text Question 16 2.5 points Save

In architecture, a tabletop representation of a building or a city block is a ____ of the full-sized structure.

Question 16 answers

card

data sheet

model

synopsis

Question 17 text Question 17 2.5 points Save

Many DSSs are now closely intertwined with other organizational systems, including data warehouses, data marts, and ERP systems, from which they draw relevant data.

Question 17 answers

True

False

Question 18 text Question 18 2.5 points Save

Managers encounter semi____ problems almost daily in many different industries and in many different business functions.

Question 18 answers

structured

scaled

solid

Question 19 text Question 19 2.5 points Save

____ are used to predict output on the basis of different input or different conditions or to estimate what combination of conditions and input might lead to a desired output.

Question 19 answers

Cards

Forecasts

Models

Plans

Question 20 text Question 20 2.5 points Save

A(n) ____ can help delivery managers looking for the shortest distance a truck can travel to deliver ordered goods at the lowest cost.

Question 20 answers

accounting system

CRM system

inventory control system

GIS

Question 21 text Question 21 2.5 points Save

Finding out what causes a failure in a system can be daunting. Therefore, it is not surprising that a great number of ESs help methodically diagnose what might cause a failure.

Question 21 answers

True

False

Question 22 text Question 22 2.5 points Save

Rules are often not quantitative but qualitative, and therefore can only be stored as a knowledge base rather than a database.

Question 22 answers

True

False

Question 23 text Question 23 2.5 points Save

Finding the roots of a quadratic equation is a structured problem: there is a formula (a(n) ____) you can use to solve the problem.

Question 23 answers

algorithm

analysis

plan

synthesis

Question 24 text Question 24 2.5 points Save

Web site designers must keep ____ in mind.

Question 24 answers

glocalization

localization

globalization

socialization

Question 25 text Question 25 2.5 points Save

The exporting of strong encryption methods is restricted by the U.S. federal government.

Question 25 answers

True

False

Question 26 text Question 26 2.5 points Save

Multinational corporations might have unified ____ throughout their organizations, but they still have to abide by the laws of the countries in which each unit operates.

Question 26 answers

campaigns

manuals

policies

salaries

Question 27 text Question 27 2.5 points Save

OLAP applications are typically slower but more sophisticated than data-mining tools.

Question 27 answers

True

False

Question 28 text Question 28 2.5 points Save

The knowledge that is maintained in information systems is typically of the type that is accumulated through experience.

Question 28 answers

True

False

Question 29 text Question 29 2.5 points Save

Dashboard's goal is to ensure that two people who might benefit from creating a connection in a workplace do so.

Question 29 answers

True

False

Question 30 text Question 30 2.5 points Save

Some companies, especially consulting firms, require their employees to create ____ about sessions with clients.

Question 30 answers

timesheets

reports

logs

stories

Question 31 text Question 31 2.5 points Save

Despite an increasing number of transactions executed through the Web, managers cannot easily use data that are already in electronic form to analyze and strategize.

Question 31 answers

True

False

Question 32 text Question 32 2.5 points Save

One data-mining application is ____, which is used to understand what products or services are commonly purchased together, and on what days of the week.

Question 32 answers

market timing

direct marketing

interactive marketing

market basket analysis

Question 33 text Question 33 2.5 points Save

A difficult issue is the ____ that address the challenge of quickly finding the most relevant information for solving problems.

Question 33 answers

choice of programming languages

connection of information

development of tools

organization of programs

Question 34 text Question 34 2.5 points Save

Bluetooth is considered a personal area network technology, because it typically supports a network used by only one person.

Question 34 answers

True

False

Question 35 text Question 35 2.5 points Save

The bandwidth of the medium is measured as ____.

Question 35 answers

bits per second (bps)

amps per second (bps)

characters per second (cps)

words per second (bps)

Question 36 text Question 36 2.5 points Save

Only a third of all Americans have broadband service at home. Among telecommuters, the proportion is 87 percent.

Question 36 answers

True

False

Question 37 text Question 37 2.5 points Save

On a typical network, downstream transmission speeds are faster than upstream transmission speeds.

Question 37 answers

True

False

Question 38 text Question 38 2.5 points Save

4G protocol devices operate only digitally and with packet switching, transmit at bandwidths of up to 100 Mbps, and include tighter security measures.

Question 38 answers

True

False

Question 39 text Question 39 2.5 points Save

____ can be conducted free of charge by using the service of a company such as Skype.

Question 39 answers

Dial-up communication

modem-to-modem calls

PC-to-PC calls

VPN communication

Question 40 text Question 40 2.5 points Save

______ cable is used in modern computer and telephone networks.

Question 40 answers

Coaxial

Twisted Pair

Braided

Insulated