Question: The three types of basic processes on a process model:

Answer Options:

Sequence, selection and iteration processes
Navigation, status and work processes
Afferent, central and efferent processes
Batch, online and real-time processes
Singular, bilateral and library processes

Answer: Afferent, central and efferent processes

 

Question: When changing a logical DFD into a physical DFD, it might be necessary to:

Answer Options:

Add system-related data stores, data flows and processes
Normalize the logical DFD into 3NF

Answer: Add system-related data stores, data flows and processes

 

Question: Adding system-related data stores, data flows, and processes is necessary when:

Answer Options:

Changing a logical DFD into a physical DFD
Normalizing a logical DFD into 3NF
Updating metadata in a DFD

Answer: Changing a logical DFD into a physical DFD

 

Question: Normalization of a logical DFD into 3NF ensures:

Answer Options:

Cohesion
Data integrity
System security
Module independence

Answer: Data integrity

 

Question: A data model can _________.

Answer Options:

Illustrate return-on-investment, break-even point, and economic feasibility
Represent actions or processes that occur in the to-be system
Be used as a logical data model and as a physical data model in design
Only be used in BPR situations
Only be used with JAD sessions

Answer: Be used as a logical data model and as a physical data model in design

 

Question: A data model is a:

Answer Options:

The mathematical model of formulas and logic used in a system
The abstract creating of an ideal system transformation
The model that is produced by extreme programming
The expanded, thoroughly balanced and normalized use case for a system
A formal way of representing the data that are used and created by a business system

Answer: A formal way of representing the data that are used and created by a business system

 

Question: A logical data model that does not lead to repeating fields and that the data models leads to tables containing fields that are dependent on the whole identifier is in _____ normal form.

Answer Options:

balanced
first
primary
second
third

Answer: second

 

Question: Anthony is working on the cardinality of doctors and patients in a large urban hospital. With the large number of doctors with varying specialties and patients that may have more than one ailment, he thinks the relationship might be noted as:

Answer Options:

1 to 1
1 to 2
1 to many
Many to many
Many to 1

Answer: Many to many

 

Question: Balance occurs between DFDs and ERDs when the data stores ______.

Answer Options:

Are uniquely named
Have only one input and one output flow
Are named the same as the relationships on the ERD
Can be compared to ERD data flows and attributes on the ERD are included in data stores on the DFD
Can be equated to entities on the ERD and when entities are referred to by data stores on the DFD

Answer: Can be equated to entities on the ERD and when entities are referred to by data stores on the DFD

 

Question: If the logical data model does not contain attributes that have repeating values it is in ______.

Answer Options:

base normal form
first normal form
non-normal form
second normal form
third normal form

Answer: first normal form

 

Question: In creating ERD’s, which would most likely NOT be a source for entities?

Answer Options:

Use cases
Level 0 DFD diagrams
External entities
Data flows
Cost / benefit reports

Answer: Cost / benefit reports

 

Question: As a structure chart is constructed, it is generally best to build modules with:

Answer Options:

High cohesion
Highly coupled
High fan-out
Have no ‘send’ and ‘do’ in the module title
High level of coordination

Answer: High cohesion

 

Question: By definition, external entities on the DFD:

Answer Options:

Are used as the starting point for the physical data flow diagram
Are outside the scope of the system
Will be the top of the structure chart
Will become database table entries
Are updated with metadata to become part of the physical DFD

Answer: Are outside the scope of the system

 

Question: In a structure chart, the element that is drawn as an empty circle with an attached arrow is known as a(n) _______.

Answer Options:

conditional line
connector
control couple
data couple
module

Answer: data couple

 

Question: Processes from logical DFDs might show up on a physical data flow diagram as:

Answer Options:

Tables in a database
External entities
Outside the human-machine boundary
Audit log files
HTML screens or Visual Basic forms

Answer: HTML screens or Visual Basic forms

 

Question: Pseudocode is:

Answer Options:

The same as structured English
A technique similar to structured English
A subset of the Java programming language
A coding environment sponsored by Oracle
The term for designing language prototyping screens with Visual Basic or HTML

Answer: A technique similar to structured English

 

Question: ______ refers to how well the lines of code within each module in a structure chart relate to each other.

Answer Options:

calculation
cohesion
control
coupling
fan-in

Answer: cohesion