SDT final

Which symbol is used to represent Protected visibility in UML ?

#

Which of the following statements is the most correct? _________ .

A class diagram can show relationships between java interfaces and other classes.

Which of the following statements is the most correct? _________.

A class diagram supports analyzing behavior of complex protocols.

Which of the following statements is the most correct?

A component diagram shows all potential interactions among components in a view. A component diagram can show instances of classes.

Agile Processes

A family of software development methodologies that produce software in short iterations and allow for greater changes or design

The incremental model of software development is

A good approach when a working programs is required quickly

Which of the following statements is the most correct? __________ .

A sequence diagram is used to model a sequence of messages exchanged among objects.

In which of the following pattern an interface is responsible for creating a factory of related objects without explicitly specifying their classes?

Abstract factory pattern

Which of the following is not a valid type of message arrow in sequence diagram?

Activate Message

Which diagram is like a flow chart which shows the steps decision points and branches?

Activity diagram

Key elements of use-case diagrams are

Actor, use cases

Identify which of the following modeling elements is not associated with Use case diagrams

Aggregate relationship

In component diagrams, ports ARE / ARE NOT optional

Are

An opcode mnemonic

Assembly language instructions consist of

Activity diagram, use case diagram, collaboration diagram and sequence diagram are considered as types of

Behavioral diagrams

Three notations of UML are __________ .

Class diagrams, Sequence diagrams, Use Case diagrams

Kind of diagrams which are used to show interactions between series of messages are classified as

Collaboration diagram

The primary difference between component diagrams and sequence diagrams is

Component diagrams show all potential interactions among a group of components whereas sequence diagram shows the interactions involved in response to a particular kind of request

Which of the following pattern is used where we need to treat a group of objects in similar way as a single object?

Composition Pattern

A design pattern ______ .

Contains a description of other related patterns. Can be useful describing how a software problem was solved by a developer. Is a general reusable solution to a commonly occurring problem within a given context in software design. Gives examples of code that used the pattern.

Which of the following is correct list of classifications of design patterns

Creational, Structural and Behavioral patterns

If you need to show the physical relationship between software components and the hardware in the delivered systems, which diagram can you use?

Deployment diagram

Which diagram in UML is used to describe the physical components their distribution and association?

Deployment diagram

Which of the following is true of a Context Diagram? _________.

Describes how the software being created interacts with elements in its environment. Can be based on a use case diagram. Might show the Internet. Describes what is in and what is outside the scope of the software project.

Which of the following is(are) NOT well supported by the class diagram notation? ___________.

Discussing how the system will behave.

XP with reference to software development methodology is

Extreme programming

Which of the following pattern hides the complexities of the system and provides an interface to client using which the client can access the system?

Facade Pattern

All class diagrams created during design of a system should be maintained as part of the project documentation.

False

All design decisions should be made before coding begins

False

Functional testing tests against the specification

False

In an implementation of the singleton pattern, there is no constructor

False

DOES NOT, HIGHEST CUSTOMER VALUE FIRST, TWO-FOUR WEEKS

For the question below, circle the best choice for the sets of alternatives provided in the sentence The XP software development process DOES / DOES NOT include up front design. It prioritizes work according to RISKIEST FIRST / HIGHEST CUSTOMER VALUE FIRST. And, its iteration length is typically TWO-FOUR WEEKS / LEFT OPEN.

What is Gang of Four (GOF)?

Four authors of Book 'Design Patterns - Elements of Reusable Object-Oriented Software' are known as Gang of Four (GOF).

Which of the following are terms used when describing formal use cases? (Circle all that apply.)

Goal. Actor. Level. Primary actor.

What is an opcode?

Groups of instruction combined into words and abbreviations

The Open-Close Principle _________.

Helps ensure that objects are easy to extend without requiring change to the original object.

The Dependency Inversion Principle ______.

Helps ensure that objects are highly reusable.

The Single Responsibility Principle _________.

Helps make changing an object easier

Which of the following are the best questions(s) the risk-driven model helps developers answer?

How much software architecture should we do? Which techniques should we use in developing our project?

Which of the following describes the Command pattern correctly?

In this pattern a request is wrapped under an object as command and passed to invoker object

Which of the following describes the Abstract Factory pattern correctly?

In this pattern an interface is responsible for creating a factory of related objects without explicitly specifying their classes.

Which of the following describes the State pattern correctly?

In this pattern, a class behavior changes based on its state.

Which of the following describes the Strategy pattern correctly

In this pattern, a class behavior or its algorithm can be changed at run time

Which of the following describes the Strategy pattern correctly?

In this pattern, a class behavior or its algorithm can be changed at run time.

1960s

In which of the following periods ALGOL language was developed?

1960s

In which of the following periods COBOL language was developed?

1960s

In which of the following periods FORTRAN language was developed?

1960s

In which of the following periods the notion "software engineering" was introduced?

The spiral model of software development

Includes project risks evaluation during each iteration

UML has many great features but its use describing domain models should be restricted because ___

It is not a language known by most non-developers.

In class diagram, inside each class what is to be printed?

Its name, attributes and operations

Which of the following programming languages is the best suited to design pattern?

Java

Aggregation (encapsulation) relationship is represented in UML notation by

Line with hollow diamond at one end

In sequence diagrams, lifelines represent the activity of CLASSES / OBJECTS

OBJECTS

Pair programming

One of the key practices in XP which ensures that all production code is written with two programmers working at the same machine or facility. This is the revision step taken to the extreme. All code is always reviewed by at least one other person

In component diagrams, the lollipop-symbol is used to represent a PROVIDES / REQUIRES interface

PROVIDES

Which of the following states that there are 2 persons associated with a contact and there can be any number of contacts?

Person 2----------*Contact

Which of the following pattern refers to creating duplicate object while keeping performance in mind?

Prototype Pattern

A type of software Life Cycle Activity which involves saving tests from the previous version to ensure that the new version retains the previous capabilities

Regression testing

Which of the following follows the correct sequence in a waterfall model?

Requirements, Feasibility, Design, Implementation, Testing

Liskov's Substitution Principle _________.

Requires that methods that are present in base classes must also be present in the derived classes.

The Interface Segregation Principle _________.

Requires that object interfaces only include methods that will be needed by most implementers.

Subroutine

Reusable module is called

Which of the following diagrams is time oriented?

Sequence diagram

A scrum is actually a

Software process model which is agile in nature team pack in rugby where everyone in the pack act together to move the ball down the field

Which of the following are valid ways to avoid having a bad user interface? (Circle all that apply)

Speaks to experts who study user interfaces Build prototypes Talk to users

Which of the following is not a characteristic of scrum model of product development?

Stable requirements

Class diagram, component diagram, object diagram and deployment diagram are considered as types of

Structural diagrams

UML provides special notation for a subsystem element because

Subsystem elements and component elements are not substantially different so there is no need for them.

Software engineering

The term ___ was coined in 1968 as a response to the desolate state of the art developing quality software on time and within budget

A reasonable approach when requirements are well defined

The waterfall model of software development is

Which of the following is correct about Creational design patterns.

These design patterns provide a way to create objects while hiding the creation logic, rather than instantiating objects directly using new operator

Which of the following describes the Builder pattern correctly?

This pattern builds a complex object using simple objects and using a step by step approach.

Which of the following describes of the Observer pattern correctly?

This pattern is used when there is one-to-many relationship between objects such as if one object is modified, its dependent objects are to be notified automatically

Which of the following describes the Composite pattern correctly?

This pattern is used where we need to treat a group of objects in similar way as a single object.

Which of the following is correct about Singleton design pattern

This type of design pattern comes under creational patterns This pattern involves a single class which is responsible to create an object while making sure that only single objects gets created Singleton class provides a way to access its only object which can be accessed directly without need to instantiate the object of the class All of the above

Which of the following describes the Behavioral pattern correctly?

This type of pattern are specifically concerned with communication between objects.

Can we create a clone of a singleton object?

True

Class diagrams can be generated directly from code.

True

Component details in UML can be shown as text within a compartment of a component

True

Object in a set of DFDs have unique names

True

The process of creating class diagrams is a valuable activity during design.

True

Unit test should be written both before and after code is written

True

Which of the following is best describes UML? ___________.

UML is a combination of notations. UML supports modeling multiple views of software. UML has evolved over time.

Which of the following is most correct? ___________.

Unified Modeling Language

False

Upper-CASE Tools to support later activities such as programming, debugging and and testing

Match the following: used to model domain model, used to represent runtime model, used to represent code model

Use Case Diagram, Sequence Diagram, Class Diagram

False

Verification and validation is intended to show that a system conforms to its specification and meets the requirements of the system customer

In which of the following pattern, a visitor class is used which changes the executing algorithm of an element class?

Visitor pattern

Which of the following models follow a purely sequential approach?

Waterfall model

Which of the following are examples of traditional process models?

Waterfall, Incremental, Spiral

Which of the following is a non functional requirement of a web based application?

When the user clicks a "read me" link, the next page should be opened with 5 seconds

A context diagram

Which of the following clearly describes the scope of a software project?

We do not adequately understand our customer's needs

Which of the following is not a software engineering risk?

Class diagram

Which of the following is the best choice for creating code views?

Herman Hollerith

Who suggested to encode information on punch cards?

Claude Shannon

Who wrote a thesis "A Mathematical Theory of Communication" (in the Bell System Technical Journal -1948) on how binary logic could be used in computing?

A use case is _________.

a goal for actors the system interacts with

___________ enhances performance and functionality of the software after delivery

maintance

Which symbol is used to represent Package visibility in UML?

~