​_____ allows objects to be used as modular components anywhere in a system.
Select one:
a.
​Dynamic addressing
b.
​Technical feasibility
c.
​Encapsulation
d.
​Linear addressing
answer
c.
​Encapsulation
question
_____ describes how instances of one class relate to instances of another class.
Select one:
a.
​A modifier
b.
​A deliverable
c.
​Scope
d.
​Cardinality
answer
c.
scope
question
_____ is a widely used method of visualizing and documenting an information system.
Select one:
a.
​Unified Modeling Language (UML)
b.
​Java Virtual Machine (JVM)
c.
​UNiplexed Information and Computing System (UNIX)
d.
​Multimedia Logic (ML)
answer
a.
​Unified Modeling Language (UML)
question
A _____ is a visual summary of several related use cases within a system or subsystem.
Select one:
a.
​use case description
b.
​use case diagram
c.
​use case schema
d.
​use case matrix
answer
b.
​use case diagram
question
A car performs a(n) _____ called OPERATE WIPERS when it is sent a message with the wiper control.
Select one:
a.
​method
b.
​role
c.
​command
d.
​objective
answer
a.
​method
question
A major advantage of object-oriented (O-O) designs is that systems analysts can save time and avoid errors by using _____ objects.
Select one:
a.
​dynamic
b.
​feasible
c.
​modular
d.
​linear
answer
c.
​modular
question
A sequence diagram _____.
Select one or more:
a.
​is a dynamic model of a use case
b.
​is like a blueprint for all the objects within a class
c.
​is another term for a state transition diagram
d.
​shows the interaction among classes during a specified time period
answer
a.
​is a dynamic model of a use case
d.
​shows the interaction among classes during a specified time period
question
A(n) _____ is a group of similar objects.
Select one:
a.
​aggregate
b.
​concatenation
c.
​class
d.
​packet
answer
c.
​class
question
A(n) _____ represents a person, a place, an event, or a transaction that is significant to the information system.
Select one:
a.
​object
b.
​instance
c.
​class
d.
​model
answer
a.
​object
question
A(n) _____ resembles a horizontal flowchart that shows the actions and events as they occur.
Select one:
a.
​state transition diagram
b.
​sequence diagram
c.
​business model diagram
d.
​activity diagram
answer
d.
​activity diagram
question
A(n) _____ shows the object classes and relationships involved in a use case.
Select one:
a.
​class diagram
b.
​association diagram
c.
​use case diagram
d.
​modeling diagram
answer
a.
​class diagram
question
An _____ shows the objects and how they interact to perform business functions and transactions.
Select one:
a.
​object relationship diagram
b.
​object precedent chart
c.
​object antecedent chart
d.
​object interaction diagram
answer
a.
​object relationship diagram
question
An object has certain _____, which are characteristics that describe the object, such as the make, model, and color of a car.
Select one:
a.
​keys
b.
​attributes
c.
​indices
d.
​elements
answer
b.
​attributes
question
An object's _____ are the tasks or functions that the object performs when it receives a command to do so.
Select one:
a.
​roles
b.
​utilities
c.
​instances
d.
​methods
answer
d.
​methods
question
Kevin, the trainee analyst at Lynach TechSystems, is in charge of allocating suitable Unified Modeling Language (UML) notations to a particular class diagram.
​
​Which of the following relationships corresponds to the Unified Modeling Language (UML) notation on the class diagram 0..1 that Kevin has written?
Select one:
a.
​An employee can have no direct reports or many direct reports.
b.
​An employee can have no spouse or one spouse.
c.
​An office manager manages one and only one office.
d.
​One order can include one or many items ordered.
answer
b.
​An employee can have no spouse or one spouse.
question
​For each use case, a _____ in the form of a table is developed to document the name of the use case, the actor, a description of the use case, and so forth.
Select one:
a.
​use case description
b.
​use case diagram
c.
​use case schematic
d.
​use case outline
answer
a.
​use case description
question
​In a sequence diagram, a _____ is identified by a line showing direction that runs between two objects.
Select one:
a.
​message
b.
​procedure
c.
​method
d.
​response
answer
a.
​message
question
In a sequence diagram, a lifeline is identified by a _____ line.
Select one:
a.
​solid
b.
​dashed
c.
​red
d.
​curved
answer
b.
​dashed
question
In a use case, an external entity, called a(n) _____, initiates a use case by requesting the system to perform a function or process.
Select one:
a.
​beneficiary
b.
​user
c.
​domain
d.
​actor
answer
d.
​actor
question
In an object-oriented system, objects can _____ certain attributes from other objects.
Select one:
a.
​broadcast
b.
​concatenate
c.
​inherit
d.
​reformat
answer
c.
​inherit
question
Inheritance enables an object, called a _____, to derive one or more of its attributes from a parent.
Select one:
a.
​child
b.
​user
c.
​package
d.
​suite
answer
a.
​child
question
Objects within a class can be grouped into _____, which are more specific categories within a class.
Select one:
a.
​grids
b.
​units
c.
​subclasses
d.
​matrices
answer
c.
​subclasses
question
The black box concept is an example of _____, which means that all data and methods are self-contained.
Select one:
a.
​polymorphism
b.
​inheritance
c.
​encapsulation
d.
​use case modeling
answer
c.
​encapsulation
question
The line from the actor to the use case is called a(n) _____.
Select one:
a.
​association
b.
​aggregation
c.
​lifeline
d.
​observation
answer
a.
​association
question
The Unified Modeling Language (UML) notation _____ identifies a zero or many relation.
Select one:
a.
​0..1
b.
​1..*
c.
​0..*
d.
​0..0
answer
c.
​0..*
question
The Unified Modeling Language (UML) symbol for a use case is a(n) _____ with a label that describes the action or event.
Select one:
a.
​rectangle
b.
​triangle
c.
​dashed line
d.
​oval
answer
d.
​oval
question
When a use case diagram is created, the first step is to identify the system boundary, which is represented by a _____.
Select one:
a.
​triangle
b.
​circle
c.
​rectangle
d.
​square
answer
c.
​rectangle
question
A class diagram resembles a horizontal flowchart that shows the actions and events as they occur.
Select one:
True
False
answer
False, activity diagram
question
After one identifies a system's objects, classes, and relationships, one should develop a(n) object relationship diagram that provides an overview of the system.
Select one:
True
False
answer
True
question
Class diagrams evolve into code modules, data objects, and other system components.
Select one:
True
False
answer
True
question
​In a state transition diagram, the states appear as rounded rectangles with the state names inside.
Select one:
True
False
answer
True
question
Some objects might have a few attributes; others might have dozens.
Select one:
True
False
answer
True
question
Use cases cannot interact with other use cases.
Select one:
True
False
answer
False
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