True Or False

Question 1 :

There is one physical schema for each logical schema.


A). True
B). False
Answer : Option A

Question 2 :

The most important reason for data architecture is reliability.


A). True
B). False
Answer : Option B

Question 3 :

The systems development life cycle cannot be used with database implementation.


A). True
B). False
Answer : Option B

Question 4 :

Enterprise data modeling typically occurs during information systems planning.


A). True
B). False
Answer : Option A

Question 5 :

During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.


A). True
B). False
Answer : Option A

Question 6 :

A conceptual schema is usually depicted in graphical format using E-R or object-modeling notations.


A). True
B). False
Answer : Option A

Question 7 :

The physical database design identifies data integrity and security requirements.


A). True
B). False
Answer : Option B

Question 8 :

The longest step of database development is database maintenance.


A). True
B). False
Answer : Option A

Question 9 :

Incremental commitment does not allow a project to be easily redirected or to be terminated.


A). True
B). False
Answer : Option B

Question 10 :

There are three stages involved when analyzing the initiation of an information systems project.


A). True
B). False
Answer : Option B

Question 11 :

One of the most popular systems development life cycle methods is prototyping.


A). True
B). False
Answer : Option A

Question 12 :

The goal of information systems planning is to align information technology with the business strategies of the organization.


A). True
B). False
Answer : Option A

Question 13 :

Functional decomposition is the process of breaking down the functions of an organization into greater levels of detail.


A). True
B). False
Answer : Option A

Question 14 :

Packaged data models can reduce implementation times and costs.


A). True
B). False
Answer : Option A

Question 15 :

With an enterprise data model, it is much easier to build applications because you know exactly what data exist and what needs to be added.


A). True
B). False
Answer : Option A