Deck 5: Technologies Enabling Insights and Decisions

Question 1

What factors are driving BI? Choose the best answer.

A) Data volumes
B) Decision complexity
C) Technology progress
D) All of the above
E) None of the above

Answer 1

All of the above

Question 2

The steps for the data preparation task are:

A) construction and transformation, selection, data integration, formatting
B) selection, construction and transformation, data integration, formatting
C) data integration, selection, construction and transformation, formatting
D) selection, data integration, formatting, construction and transformation
E) None of the above

Answer 2

selection, construction and transformation, data integration, formatting

Question 3

A model evaluation would not be considered acceptable if:

A) model accuracy is around 10%.
B) model accuracy is around 25%.
C) model accuracy is around 50%.
D) model accuracy is around 75%.
E) None of the above

Answer 3

model accuracy is around 50%.

Question 4

What is the last DM process?

A) Deployment
B) Model building and validation
C) Model evaluation and interpretation
D) Preparation of data
E) None of the above

Question 5

Real-time decision support requires that the analytics process be __________. Choose the best answer.

A) interactive
B) innovative
C) invisible
D) All of the above
E) Only "a" and "c"

Question 6

What is/are the differences between GRI and Apriori rule algorithms?

A) GRI is faster to train.
B) Apriori allows only logical input variables.
C) GRI allows only local input variables.
D) Only "a" and "b"
E) Only "a" and "c"

Question 7

What are some common mistakes to be avoided by organizations when deploying DM technologies?

A) Planning for the long-haul
B) Bringing tools to end-users to maximize business values
C) Resolving all issues with a single initiative
D) All of the above
E) Only "b" and "c"

Question 8

Growth capacity of digital data storage worldwide has doubled every nine months. This is associated with:

A) Data Tombs.
B) Storage Law.
C) Moore's Law.
D) All of the above
E) None of the above

Question 9

How is a DM analyst related to DM engineers? Choose the best answer.

A) They develop the DM model together.
B) One translates the business while the other provides access to hardware and software.
C) Both may be involved in a large project.
D) All of the above
E) Only "a" and "c"

Question 10

CRM is an example of ___________.

A) An atypical decision support solution
B) A horizontal decision support solution
C) A verticalized decision support solution
D) All of the above
E) None of the above