Midterm

Name: Fulya OnerStart time: October 16, 2009 6:32pmTime allowed: 3 hoursNumber of questions: 40

Finish  Help

Question 1   (.5 points)

Data warehousing is the process of storing a copy of transaction data specifically structured for querying, analysis, and reporting.

a. True  

b. False  

Save answer

Question 2   (.5 points)

The data warehousing environment is mainly the responsibility of the business users, and the analytical environment (known also as business analytics) is in the realm of a technical staff.

a. True  

b. False  

Save answer

Question 3   (.5 points)

Data visualization uses columns of data to visualize the information.

a. True  

b. False  

Save answer

Question 4   (.5 points)

If you build a data warehouse, everyone will begin to use it.

a. True  

b. False  

Save answer

Question 5   (.5 points)

The primary elements of an economic feasibility analysis include both tangible and intangible benefits.

a. True  

b. False  

Save answer

Question 6   (.5 points)

A data mart is a small focused data warehouse.

a. True  

b. False  

Save answer

Question 7   (.5 points)

Strategic information is for running the day-to-day operations of the business.

a. True  

b. False  

Save answer

Question 8   (.5 points)

Every data structure in the data warehouse contains the time element.

a. True  

b. False  

Save answer

Question 9   (.5 points)

The value of data content is derived only from the internal operational systems.

a. True  

b. False  

Save answer

Question 10   (.5 points)

Organizations can sustain their competitive advantage by building brand and customer loyalty using BI applications that support product differentiation/market niche strategies.

a. True  

b. False  

Save answer

Question 11   (.5 points)

Technology must drive a data warehouse project.

a. True  

b. False  

Save answer

Question 12   (.5 points)

Participation of users is mandatory for the successful data warehouse project.

a. True  

b. False  

Save answer

Question 13   (.5 points)

Business data is dimensional in nature, and the users of the data warehouse think in business dimensions.

a. True  

b. False  

Save answer

Question 14   (.5 points)

A requirements definition for the data warehouse should be based on the technical requirements

a. True  

b. False  

Save answer

Question 15   (.5 points)

Pre-defined reports should be defined by the IT department alone.

a. True  

b. False  

Save answer

Question 16   (.5 points)

The architectural framework enables the flow of data from the data source at one end and the user’s desktop at the other.

a. True  

b. False  

Save answer

Question 17   (.5 points)

SMP refers to the simplest parallel processing architecture.

a. True  

b. False  

Save answer

Question 18   (.5 points)

Metadata is important in an organization because it drives the processes.

a. True  

b. False  

Save answer

Question 19   (.5 points)

Data warehousing is a software application, not a system architecture.

a. True  

b. False  

Save answer

Question 20   (.5 points)

The worst thing that can happen to a data warehouse is for its credibility to come into question.

a. True  

b. False  

Save answer

Question 21   (.5 points)

What can a data warehouse do?

a. Immediate Information Delivery  

b. Data Integration from Across the Organization  

c. Future Vision from Historical Trends  

d. Tools for Looking at Data in New Ways  

e. Freedom from IS Department Resource Limitations  

f. All of the Above  

Save answer

Question 22   (.5 points)

Which of the following statement is true regarding business intelligence (BI)?

a. The major objective of BI is to enable interactive and sometimes real-time access to data, enable manipulation of these data, and to provide business managers and analysts the ability to conduct appropriate analysis.  

b. The process of BI is based on the transformation of actions to decisions, and then from information to data.  

c. By analyzing historical and current data, situations, and performances, decision makers get valuable insights upon which they can base more informed and better decisions.  

d. One of the major objectives of BI is to widen the gap between the current performance of an organization and its desired performance as expressed in its mission, objectives, and goals and the strategy for achieving them.  

Save answer

Question 23   (.5 points)

Metadata is:

a. Data about the application  

b. Data about the data  

c. Data about the hardware  

d. Data about the project  

Save answer

Question 24   (.5 points)

A data warehouse provides the following unique benefits for management at all levels of the firm:

a. A facility for integrating the data generated in in the organization  

b. Storage of all the available data needed for informational, analytical processing over a historical time perspective.  

c. Separation of the data generated by a myriad of internal and external information systems  

d. a & b  

e. a, b & c  

Save answer

Question 25   (.5 points)

What are some of the “seven deadly sins” of building a data warehouse?

a. Building a data warehouse architectural framework  

b. Abuse of methodology and tools  

c. Abuse of the data warehouse life cycle  

d. Resolution of data conflicts  

e. Failure to document the mistakes made during the first DW project  

f. a, d & e  

g. b, c & e  

h. All of the above  

Save answer

Question 26   (.5 points)

The major technical elements of a metadata catalog should include:

a. Business rules  

b. Movement/transformation information  

c. Operations information  

d. Tool-specific information  

e. Security rules  

f. All of the above  

Save answer

Question 27   (.5 points)

The data mart serves the following functions:

a. Reflects the business rules and is relatively stable  

b. Provides direct access for users who need to define the parameters  

c. A set of tables designed to provide access for detailed data  

d. It is a data source for traditional statistical analysis.  

e. All of the above  

Save answer

Question 28   (.5 points)

Query tools are the one set of functional tools that are the most significant. The following functions are included in most query tools:

a. Flexible presentation  

b. Ability to aggregate  

c. Cross subject areas  

d. Seamless integration  

e. All of the above  

Save answer

Question 29   (.5 points)

The advantages to a top-down approach to building a data warehouse includes:

a. A short time to build, less risk of failure and a corporate effort  

b. Centralized rules and control, high risk of failure and quick results  

c. A single storage of data, inherently architected and centralized rules and control

d. Less risk of failure, centralized rules and a single, centralized storage.  

Save answer

Question 30   (.5 points)

Which of the following can be used by an analytic application for credit scoring for a loan applicant?

a. calculate a credit-worthiness score  

b. automatically accept or deny the loan application  

c. select the loan limit  

d. all of the above  

Save answer

Question 31   (.5 points)

A data warehouse is different from a typical OLTP system project because:

a. It has a narrower scope  

b. It provides for multidimensional analysis  

c. Data storage has a minimal amount of data  

d. All of the above  

Save answer

Question 32   (.5 points)

Utilizing JAD techniques to determine requirements consists of techniques that:

a. Gather a group of the technical experts to define the warehouse  

b. Gather a group to define the project and prepare a working document  

c. Defines the interviews, but does not conduct them  

d. Allows everyone to participate equally with no leadership needed  

Save answer

Question 33   (.5 points)

ETL process consists of extract, transform, and load. Transformation occurs by using __________ or lookup tables or by combining the data with other data.

a. rules  

b. policies  

c. strategies  

d. procedures  

Save answer

Question 34   (.5 points)

In a data warehouse, the staging area is the place where:

a. Extracted data is joined  

b. Business rules are applied  

c. Perform the transformation of the data  

d. All of the above  

Save answer

Question 35   (.5 points)

Operational infrastructure includes:

a. People, procedures and training  

b. Management software, people and hardware  

c. People, management software and training  

d. Procedures, training and hardware  

Save answer

Question 36   (.5 points)

Resolution of data conflicts is important in a data warehouse. This includes:

a. Disparate naming conventions  

b. File formats  

c. Value ranges  

d. All of above  

Save answer

Question 37   (.5 points)

Problems that must be avoided to have a successful data warehouse are:

a. Unreliable data, algorithmic differences and procedural lapses  

b. Unreliable data, algorithmic differences and specialized functions  

c. Unreliable processes, missing metadata and logic transformation.  

d. Algorithmic differences, unreliable processes and granularity of data  

Save answer

Question 38   (.5 points)

A high level business analysis effort should answer several key questions that are essential to the data warehouse initiative:

a. What is the potential impact on each of the performance metrics on the source system?  

b. What are the core business processes that management regularly monitors?  

c. What are the core business processes that management wishes to affect, negatively or positively?  

d. What are the key technology initiatives as perceived by management?  

Save answer

Question 39   (.5 points)

The organization is ready for a data warehouse if:

a. There are multiple views of each solution  

b. Current reports are not aggressively employed  

c. Fact based decision making is prevalent  

d. Data reliability is in question throughout the organization  

Save answer

Question 40   (.5 points)

Benefits associated with a new data warehouse include:

a. Improved employee morale  

b. Improved effectiveness of training  

c. More timely information  

d. Decreased time to market  

e. All of the above  

Save answer

Finish