25 Jan (TCO 4) What is a sequence diagram

CIS339 Object-Oriented Analysis and Design

WEEK 1 Quiz

Question 1

(TCO 1) In the Unified Process (UP) methodology, Testing activities occurs during the _____ phases.

Inception

Elaboration

Construction

All of the Above

None of the Above

Question 2

(TCO 1) The four phases of the Systems Development Life Cycle are _____.

analysis, gathering, modeling, and diagramming

construction, installation, testing, and converting

designing, charting, formatting, and structuring

planning, analysis, design, and implementation

system request, feasibility, planning, and staffing

Question 3

(TCO 1) Important guiding principle of requirements analysis include:

do not rush into creating models for the problem

use the above-listed principles to formulate the problem’s requirements

use good requirements discovery techniques as your foundation

All of the above

None of the above

Question 4

(TCO 1) In which phase of the SDLC is the project plan developed?

Analysis

Design

Implementation

Planning

Reconstruction

Question 5

(TCO 1) Use Cases Diagrams and Descriptions are developed in which phase of the SDLC?

Analysis

Design

Implementation

Planning

System delivery

Question 6

(TCO 1) Interfaces (e.g., user interface design, database design, program design, and method specification) are specified during the _____ phase of the SDLC.

analysis

design

implementation

planning

system delivery

Question 7

(TCO 1) UML unification is not just historical in scope, UML attempts (and largely succeeds) in being unified across several different domains.

Development life cycle

Application domains

Implementation languages and platforms

Development processes

All of the Above

Question 8

(TCO 1) A software engineering process (SEP), also known as a software development process, defines the ______ of developing software.

who, what, when and how

why, what and when

why, what and how

None of the above

Question 9

(TCO 1 Requirements engineering is a term used to describe the activities involved in:

eliciting,

documenting,

maintaining a set of requirements for a software system

discovering what the stakeholders need the system to do for them.

All of the above

None of the above

Question 10

(TCO 1) We can define a requirement as “a specification of what should be implemented”. There are basically two types of requirements:

functional requirements – what behavior the system should offer;

non-functional requirements – a specific property or constraint on the system.

All of the above

None of the above

CIS339 Object-Oriented Analysis and Design

WEEK 2 Quiz

Question 1

(TCO 2) A use case include relationship represents _____.

how a use case optionally include another use case

an extra functional modeling of the use that is optional

an integral part of the base use case

how a use case inherits from another use case

Question 2

(TCO 2) The flow of events in a use case description should include _____.

actor, trigger, and use case relationships

action nodes, flows, and object nodes

include, extend, and sub flows

main flow and alternate flows,

Question 3

(TCO 2) A use case extend relationship represents _____.

how the use case extends an actor

an extra functional modeling of the use case that is optional

a mandatory functionality of the use case

how a use case inherits from another use case

Question 4

(TCO 2) Jim has documented a functionality of a system as “to compute gross pay by multiplying the hours worked that are recorded on the time card from the time clock by the hourly rate that is recorded in the employee master file from the database.” This is an example of a(n) _____ .

a possible system requirement

an alternate flow of a use case

a post condition of a use case

use case

Question 5

(TCO 2) The entity that specifies a role that some external entity adopts when interacting with your system is called a(n) _____.

action

actor

hammer

anvil

Question 6

(TCO 2) The correct sequence of the major steps in creating use case diagrams is _____.

find a candidate system boundary, find the actors, find the use cases.

find the actors, find a candidate system boundary, find the use cases.

find the use cases, find a candidate system boundary, find the actors.

sequence does not matter.

Question 7

(TCO 2) In an activity diagram, the action node represents _____.

a simple, decomposable piece of behavior

the data stored as an object

discrete and atomic unit of work

the control flow between processes

Question 8

(TCO 2) In a use case description, the Alternate Flow section contains _____.

logic that is rarely executed

alternative paths that capture errors, branches, and interrupts to the main flow

logic from a separate use case

the starting logic in the use case

Question 9

(TCO 2) The primary actor in a use case description is _____.

the trigger of the use case, and the trigger type is internal

the trigger of the use case, and the trigger type is external

triggered by the use case, and the trigger type is internal

triggered by the use case, and the trigger type is abstract

Question 10

(TCO 2) Using Time as an actor is helpful to show _____.

how long the Use Case takes to execute

when you require the Use Case to be triggered at a specific point in time

how long the interval is between Use Case executions.

the development time for the Use Case.

CIS339 Object-Oriented Analysis and Design

WEEK 3 Quiz

Question 1

(TCO 3) Which of the following is most likely not an example of an attribute?

Employee name

Customer address

Stock number

ISBN

Cancel appointment

Question 2

Which of the following is NOT a characteristic of attribute instance scope?

by default, attributes have instance scope

every object of the class gets its own copy of the instance scope attributes

each object may therefore have different instance scope attribute values

each object will therefore have the same class scope attribute values

Question 3

(TCO 3) Polymorphism means

many forms

many shapes

many types

many attributes

many vales

Question 4

(TCO 3) What is NOT part of the Association syntax?

an association name

role names

object name

multiplicity

navigability

Question 5

(TCO 3) Objects of the same class have:

the same operations and attributes

the same attributes and different operations

the same operations and different attributes

the same operations and attributes with the same values

the same attributes and different operation signatures

Question 6

(TCO 3) Which of the following would NOT be an appropriate class name?

Student

Patient

John

Customer

Doctor

Question 7

(TCO 3) Which of the following does not make a good analysis class?

its name reflects its intent

it is crisp and models one specific element

has well define responsibilities

it has high cohesion

it has high coupling

Question 8

(TCO 3) Generalization is a relationship between:

many general things

a more general thing and a more specific thing

many specific things

a more general things and a less specific thing

Question 9

(TCO 3) An example of a boundary classes would be:

user

internal system interface

web form

database

executable program

Question 10

(TCO 3) Class relationships’ multiplicity in a UML class diagram documents _____.

how many inherited classes can be created from a given class

a concise way to express certain business constraints relating to the “number of things” participating in a relationship

how many classes should be in one class diagram

how to create objects from multiple classes

how to create objects from abstract classes

CIS339 Object-Oriented Analysis and Design

WEEK 4 Quiz

Question 1

(TCO 4, 5, 8) The two types of interaction diagrams are _____ diagrams.

use case and sequence

class and sequence

sequence and communication

object and communication

Question 2

(TCO 4, 5, 8) A(n) _____ describes information about an object.

attribute

behavior

operation

instance

Question 3

(TCO 4, 5, 8) _____ are information sent to objects to tell them to execute one of their behaviors.

Attributes

Operations

Messages

Instances

Question 4

(TCO 4, 5, 8) Which of the following objects is most likely to be destroyed at some point in time in a sequence diagram?

Customer

Order

Item

Invoice

Question 5

(TCO 4, 5, 8) The order of messages on a sequence diagram goes from _____.

right to left

bottom to top

left to right

top to bottom

Question 6

(TCO 4, 5, 8) In UML behavioral modeling, a message is _____.

a named location in memory where information is deposited and retrieved

a data structure to hold information

a function or procedure call from one object to another object

a relationship between two objects

Question 7

(TCO 4, 5, 8) In a communication diagram, a(n) _____ between actors and objects is shown with an undirected line.

procedure call

data flow

link

message

Question 8

(TCO 4, 5, 8) The time ordering of messages is represented by the _____.

communication diagram

object diagram

use case diagram

sequence diagram

Question 9

(TCO 4, 5, 8) Which of the following are valid event types?

call event

signal event

change event

All of these

Question 10

(TCO 4, 5, 8) The life of a lifeline is indicated by its _____ on the sequence diagram.

vertical position

horizontal position

vertical length

width

CIS339 Object-Oriented Analysis and Design

WEEK 5 Quiz

Question 1

(TCO 6) Object-oriented design (OOD) is the phase in which the functional, structural, and behavioral analysis models are transformed into the ________ for the software implementation.

project plan

technical specifications

blueprints

user requirements

Question 2

(TCO 6) What are the two possible stereotypes allowed for package:

framework and private

modelLibrary and protected

framework and modelLibrary

framework and protected

Question 3

(TCO 6) Packages may be nested inside other packages to any depth. However, just ________ levels of nesting are generally enough. Much more than this, and the model may become difficult to understand and navigate.

one or two

two or three

three or four

four or more

Question 4

(TCO 6) Transitivity is a term that applies to relationships. It means that if there is a relationship between thing A and thing B and a relationship between thing B and thing C, then

thing A and thing C maybe related

thing A and thing C may not be related

there is an explicit relationship between thing A and thing C

there is an implicit relationship between thing A and thing C

Question 5

(TCO 6) Which of the following is NOT true for package ownership?

the packages form a hierarchy;

the root package may be stereotyped «lowerLevel»;

by default, model elements are placed in the «topLevel» package.

Every model element is owned by one package

Question 6

(TCO 6) There is a different take on the number of layers and on their definitions.: According to Microsoft Certified Solution Developer Solutions Architecture exam, what is NOT a valid architectural layer?

Presentation – includes all the forms that collect only input and display output.

Application (or business) logic layer – contains all the algorithmic processing that transforms your input into output.

Data layer – contains all the services necessary to connect to, and interact with, your data stores.

Security layer – includes all the necessary controls to protect the digital assets of the organization

Question 7

(TCO 6) Preliminary or architectural design is the activity that begins the transition from the analysis, or business domain, to the _______ domain.

problem

interface

solution

conversion

Question 8

(TCO 6) When deciding on the package architecture, the Common Closure Principle states that packages that need changing for a similar reason should be packaged together.

any

conformity

similar

architectural

Question 9

(TCO 6) In moving from analysis to design, CRC cards map to:

package, subsystem, contract, constraint and method design

class and object design

contract and constraint design

package and subsystem design

Question 10

(TCO 6) If you perform the packaging correctly,

you will greatly reduce the complexity of the construction and long-term maintenance activities.

increase the development time

decrease the development time

decrease the implementation time

CIS339 Object-Oriented Analysis and Design

WEEK 6 Quiz

Question 1

(TCO 6) Even if you skipped all the requirements analysis steps, the two steps guaranteed to be completed in any software development are

policy and procedure development

use case activity diagram testing

method design and coding

data conversion and user training

Question 2

(TCO 6) An analysis view may only have between ___ and ___ of the classes that are in the detailed design

1% and 5%

1% and 10%

10% and 20%

20% and 30%

Question 3

(TCO 6) Analysis view are invaluable for:

introducing new people to the project;

understanding the system months or years after delivery;

understanding how the system satisfies user requirements;

All of these

None of these

Question 4

(TCO 6) Analysis is about modeling ___ the system should do. Design is about modeling ___ that behavior may be implemented.

what; how

how; what

how; how

what; what

Question 5

(TCO 6) The minimal characteristics that a design class must have to be considered well-formed are:

complete and sufficient;

primitive and high cohesion;

low coupling.

All of these

None of these

Question 6

(TCO 6) With interface realization you get:

an interface – a set of public operations, attributes and relationships that have no implementation.

interface – the public operations of the base classes;

implementation – the attributes, relationships, protected and private operations of the base classes.

All of these

None of these

Question 7

(TCO 6) Nested classes allow:

you define a class inside another class;

the nested class exists in the namespace of the outer class – only the outer class can create and use instances of the nested class;

nested classes are known as inner classes in Java, and are used extensively for event handling in GUI classes.

All of these

None of these

Question 8

(TCO 6) Some excellent advice on minimizing connascence includes:

Minimize overall connascence by breaking the system into encapsulated elements.

Minimize any remaining communication that crosses encapsulation boundaries.

Maximize connascence within encapsulation boundaries.

All of these

None of these

Question 9

(TCO 6) Cohesion is one of the most desirable features of a(n) _____.

inheritance

method

object

class

Question 10

(TCO 6) The system architecture is compromise when coupling is between ________.

interactions

objects

data

subsystems

CIS339 Object-Oriented Analysis and Design

WEEK 7 Quiz

Question 1

(TCO 7) Implementation is about transforming a design model into __________.

executable code

user procedures

policies and procedures

test scripts

Question 2

(TCO 7) Artifacts – represent the specifications of real-world things such as:

source files

design documents

test data

test results

Question 3

(TCO 7) The ________ maps the software architecture created in design to a physical system architecture that executes it.

architectural diagram

sequence diagram

deployment diagram

state chart diagram

Question 4

(TCO 7) The construction of the deployment diagram is a two-step process. In the implementation workflow, the main focus is on:

assigning artifact instances to node instances (instance form), or artifacts to nodes (descriptor form)

node or node instances and connections

software to hardware

routers to networks

Question 5

(TCO 7) Which of the following in NOT why the construction phase is important:

a large part of the software development

the central activity in software development

the individual programmer’s productivity can improve enormously

Construction’s product, the user training, is often the only accurate description of the software project.

Question 6

(TCO 7) Which of the following is NOT a way data and information hiding and encapsulation improves construction and maintenance?

Data type changes isolate the change to a single class, and the entire program is not affected.

Adding additional details is isolated to a single class.

Programming to an interface makes the code more logical.

Coupling is increased

Question 7

(TCO 7) Which of the following is NOT a self-documenting code technique meaning that the programmer uses program structure and easily understood programming techniques, such as good:

color coding

constants

routine names

variable names

Question 8

(TCO 7) According to McConnell (2004), what is NOT a way comments can be broken down into the following categories.

Marker in the code

Summary of the code

Description of the programmer’s intent

Repeat of the code

Question 9

(TCO 7) In information systems development, quality is driven by more by _____ than it is by program construction.

good requirements analysis and design

program coding

program testing

system testing

Question 10

(TCO 7) The pseudocode generated in the method design

can be used for actual coding of the method

can be used as comments in the code

cannot be reused during the programming activity

cannot be used for user training.

CIS339 Object-Oriented Analysis and Design

WEEK 8 Final Exam

Question 1

(TCO 1) UML unification is not just historical in scope, UML attempts (and largely succeeds) in being unified across several different domains.

Development life cycle

Application domains

Implementation languages and platforms

Development processes

All of the Above

Question 2

(TCO 1) Requirements engineering is a term used to describe the activities involved in:

eliciting,

documenting,

maintaining a set of requirements for a software system

discovering what the stakeholders need the system to do for them.

All of the above

None of the above

Question 3

(TCO 2) If a use case becomes too complex, it should be _____.

rewritten to simplify it

decompose into alternative flows

written with a series of repeating steps to simplify it

written from the perspective of an independent observer to simplify it

Question 4

(TCO 2) In writing Use Cases, the analyst should _______.

keep Use Cases short and simple.

focus on the how and not the what.

promote functional decomposition.

focus on the what and not the how.

Question 5

(TCO 3) CRCs are created by performing a textual analysis of _____.

collaboration and responsibility cards

object lists

use case diagrams

use case descriptions

Question 6

(TCO 3) Which of the following does not make a good analysis class?

its name reflects its intent

it is crisp and models one specific element

has well define responsibilities

it has high cohesion

it has high coupling

Question 7

(TCO 4, 5, 8) Which of the following are valid event types?

call event

signal event

change event

All of these

Question 8

(TCO 4, 5, 8) There are many different types of interaction diagram, each of which emphasizes a different aspect of the interaction.

Sequence diagrams – these emphasize the time-ordered sequence of message sends between lifelines.

Communication diagrams – these emphasize the structural relationships between objects and are very useful in analysis.

Interaction overview diagrams – these show how complex behavior is realized by a set of simpler interactions.

All of these

Question 9

(TCO 4, 5, 8) In a communication diagram, a(n) _____ between actors and objects is shown with an undirected line.

procedure call

data flow

link

message

Question 10

(TCO 4, 5, 8) The life of a lifeline is indicated by its _____ on the sequence diagram.

vertical position

horizontal position

vertical length

width

Question 11

(TCO 4, 5, 8) An analyst depicts the dynamic view of an information system with _____.

use case models

structural models

interaction models

None of these

Question 12

(TCO 6) After a set of candidate packages has been identified, you should then attempt to minimize the public members of the packages and the dependencies between the packages by:

moving classes between packages

renaming packages

removing packages.

adding more packages

Question 13

(TCO 6) There is a different take on the number of layers and on their definitions.: According to Microsoft Certified Solution Developer Solutions Architecture exam, what is NOT a valid architectural layer?

Presentation – includes all the forms that collect only input and display output.

Application (or business) logic layer – contains all the algorithmic processing that transforms your input into output.

Data layer – contains all the services necessary to connect to, and interact with, your data stores.

Security layer – includes all the necessary controls to protect the digital assets of the organization

Question 14

(TCO 6) Cohesion means that each class should model a ______ and should have a __________ that support the intent of the class.

single method; set of properties

set of method; single property

single object; name

single abstract concept; set of operations

Question 15

(TCO 6) Inheritance has certain undesirable characteristics.

It is the strongest form of coupling possible between two or more classes.

Encapsulation is weak within a class hierarchy.

It is a very inflexible type of relationship.

All of these

None of these

Question 16

(TCO 6) Some excellent advice on minimizing connascence includes:

Minimize overall connascence by breaking the system into encapsulated elements.

Minimize any remaining communication that crosses encapsulation boundaries.

Maximize connascence within encapsulation boundaries.

All of these

None of these

Question 17

(TCO 7) There are cases where an explicit implementation modeling activity, performed by trained OO analyst/designers, might be very important.

If you intend to generate code directly from the model and if you are doing component based development (CBD) to reuse components.

If you are considered a packaged solution from a software vendor.

If you are re-developing an existing application for security reasons.

If the project is not based on OO principles

Question 18

(TCO 7) Which of the following is NOT a way data and information hiding and encapsulation improves construction and maintenance?

Data type changes isolate the change to a single class, and the entire program is not affected.

Adding additional details is isolated to a single class.

Programming to an interface makes the code more logical.

Coupling is increased

Question 19

(TCO 7) A node represents a type of:

database instance

computational resource

database tables

network router

Question 20

(TCO 7) The deployment diagram brings ________, _______ and ______ together to specify the physical architecture of the system

components, artifacts and nodes

hardware, software and nodes

components, software and nodes

hardware, software and artifacts

Question 21

(TCO 1) Briefly summarize the purpose of the design phase in SDLC. Explain why it exists and what it contributes to the completion of the system.

Question 22

(TCO 1) What are the three axioms of UP?

Question 23

(TCO 4) What is a sequence diagram used for? How do you read it? If a client sends a message to an architect object, called Get_Estimate(), which class would the Get_Estimate method be written in?

Question 24

(TCO 2) Distinguish between the Extend and Include relationships in use case diagrams. What does INCLUDE: VALIDATE CREDIT CARD mean in a use case description named PROCESS SALE? Show how to use it in the use case description normal flow section.

Question 25

(TCO 3) Define a structural model. Why should a systems analyst create one? What is class cohesion? Give an example of class cohesion. In your example, discuss attributes and operations.

Question 26

(TCO 3) Define the following terms: class, attribute, and operation. Give examples of each in a class.

Question 27

(TCO 5) In a communication diagram, a teacher object and course object are connected with a line. Above the line it states “CourseAttendance()” and it points to the course object from the teacher object. Another message on the line is “UpdateCreditHrsTaught()” and it points from the course object to the teacher object. Explain what this information means. Include in your answer which object is sending the messages to which object and which objects contain the methods.

Question 28

(TCO 6) Explain the concept of polymorphism. Give an example.

Question 29

(TCO 7) Explain what is meant by the implementation model.

Question 30

(TCO 8) Give an explanation and an example of an object that would be an excellent candidate to diagram in an object state diagram besides the ones in your course project or text. Give an explanation and example of an object that would be a poor candidate to diagram in an object state diagram. Justify your answers.