A+ Answers

   Question 1   
 DSS projects succeed more often than they fail or are challenged.
True
False
   Question 2   
 Which of the following is a way to engage users in software development?
Turn off cell phones.
Use prototypes.
Focus on user, not IT problems.
Assign good communicators.
All of these.
   Question 3   
 There are some risks involved in end-user developed DSS, but it is still worth doing because the user understands the problem best of all, and there are ready tools available.
True
False
   Question 4   
 CASE tools are information systems for information systems developers.
True
False
   Question 5   
 Breaking a system into a series of versions that are sequentially developed is called phased development.
True
False
   Question 6   
 Which of the following is a synonym for prototyping?
Iconic design
Iterative design
Extreme design
Andorian design
None of these
   Question 7   
 Project managers must have exceptional technical skills; it is far less important that they be a good project leader.
True
False
   Question 8   
 Lack of commitment from business customers is one of the primary reasons why DSS projects fail.
True
False
   Question 9   
 The waterfall development approach essentially works like water, it only flows downward.
True
False
   Question 10   
 Which of the following is part of the analysis phase of a DSS project?
Database design
User interface design
Process model
Program specifications
All of these.
   Question 11   
 Organizations will typically only use one DSS generator as a means to control costs.
True
False
   Question 12   
 According to the Standish Organization, which of the following is a reason why DSS projects fail:
incomplete requirements.
lack of stakeholder involvement.
lack of sponsor support.
unrealistic expectations.
All of these.
   Question 15   
 The goal of RAD is to deliver functionality quickly.
True
False
   Question 14   
 Which of the following is part of the Design phase?
 Design of the physical system
Database design
Interface design
Program design
All of these.
   Question 15   
 Integrated CASE tools are only used in the design and implementation phase.
True
False
  Question 16   
Which model represents scenarios that change over time?
Dynamic models
Static models
Mathematical models
Multidimensional models
Simulation models
  Question 17   
 An object-oriented database management system allows you to analyze data at a conceptual level that  emphasizes the natural relationships between objects.
True
False
Question 18   
Metadata is:
data about data.
data about transaction processing systems.
irrelevant in data warehouses.
stored only in hierarchical databases.
None of these.
 
 Question 19   
 What is knowledge?
Knowledge is data that has been organized so that it has meaning.
Knowledge confirms something the recipient knows.
Knowledge conveys understanding, experience, and learning.
Knowledge explains summaries of data.
All of these.
   Question 20   
 A data warehouse is just a large database.
True
False
   Question 21   
 Clustering identifies groups of data that share characteristics.
True
False
   Question 22   
 Data quality is important because it can affect the quality of organizational decisions.
True
False
   Question 23   
 Which of the following is a data quality problem?
Data is not indexed properly.
Data is not correct.
Data does not exist.
Data is not timely.
All of these.
   Question 24   
 There is a temporal quality to data warehouses.
True
False
   Question 25   
 Data, information, and knowledge are essentially the same thing.
True
False
 
  Question 26   
 A star schema begins with a central dimension table that is linked to one or more fact tables.
True
False
   Question 27   
 Data warehouses can be tuned for access since they are nonvolatile.
True
False
   Question 28   
 Facts in a fact table are:
used for decision analysis.
used as foreign keys to dimension tables.
descriptive attributes for query reporting.
performance metrics.
All of these.
   Question 29   
 Data quality and data integrity are essentially the same thing.
True
False
   Question 30   
 In many ways setting up a data warehouse is like setting up a separate database for DSS.
True
False
   Question 31   
 Intrinsic data quality refers to the ease of understanding or interpretability of data.
True
False
   Question 32   
 A data mart is like a data warehouse for a single department.
True
False
   Question 33   
 Which of the following is a risk of user-developed DSS?
Takes too long
Use of substandard tools
Difficulties of implementation
Shorter development times
All of these.
   Question 34   
 Prototyping helps both the decision-makers and DSS developers learn about decision-making.
True
False
   Question 35   
 The prototype evolves into the developed system.
True
False
   Question 36   
Answer for remaining question
Correct answers are marked with yellow
   Question 37   
The types of decision-making situations that may require analysis (in order of increasing complexity) are certainty, risk, and uncertainty.
True
False