Pregunta 1
Pregunta
If you need to show the physical relationship between software components and the hardware in the delivered systems, which diagram can you use?
Respuesta
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Component diagram
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Deployment diagram
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Class diagram
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Network diagram
Pregunta 2
Pregunta
Which diagram in UML is used to describe the physical components their distribution and association?
Respuesta
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Component diagram
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Deployment diagram
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Class diagram
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Object diagram
Pregunta 3
Pregunta
Aggregation (encapsulation) relationship is represented in UML notation by
Respuesta
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Line with solid diamond at one end
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Line with hollow diamond at one end
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Line with an arrow at one end
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Line without an arrow
Pregunta 4
Pregunta
In class diagram, inside each class what is to be printed?
Respuesta
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Its name, attributes, operations and derived class
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Its name, attributes and operations
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Its name and operations
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Its name and attributes
Pregunta 5
Pregunta
Key elements of use-case diagrams are
Pregunta 6
Pregunta
Which of the following describes the Strategy pattern correctly
Respuesta
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In this pattern, a class behavior changes based on its state
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In this pattern, a null object replaces check of NULL object instance
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In this pattern, a class behavior or its algorithm can be changed at run time
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In this pattern, an abstract class exposes defined way(s)/template(s) to execute its method
Pregunta 7
Pregunta
Which of the following pattern refers to creating duplicate object while keeping performance in mind?
Respuesta
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Builder Pattern
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Bridge Pattern
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Prototype Pattern
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Composite Pattern
Pregunta 8
Pregunta
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?
Respuesta
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Composite Pattern
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Facade Pattern
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Adapter Pattern
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Decorator Pattern
Pregunta 9
Pregunta
In which of the following pattern an interface is responsible for creating a factory of related objects without explicitly specifying their classes?
Respuesta
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Factory pattern
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Abstract factory pattern
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Singleton Pattern
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Builder Pattern
Pregunta 10
Pregunta
Which of the following is correct about Creational design patterns?
Respuesta
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These design patterns are specifically concerned with communication between objects.
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These design patterns provide a way to create objects while hiding the creation logic, rather than instantiating objects directly using new operator.
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These design patterns concern class and object composition. Concept of inheritance is used to compose interface and define ways to compose objects to obtain new functionalities.
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None of the above.
Pregunta 11
Pregunta
Which of the following describes of the Observer pattern correctly?
Respuesta
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This pattern is used to get a way to access the elements of collection object in sequential manner without any need to know its underlying representation
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This pattern is used to reduce communication complexity between multiple objects or classes
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This pattern is used to restore state of an object to a previous state
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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
Pregunta 12
Pregunta
Which of the following describes the Builder pattern correctly?
Respuesta
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This pattern builds a complex object using simple objects and using a step by step approach.
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This pattern refers to creating duplicate object while keeping performance in mind.
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This pattern is used when creation of object directly is costly.
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This pattern is used when we need to decouple an abstraction from its implementation so that the two can vary independently
Pregunta 13
Pregunta
Which of the following pattern is used where we need to treat a group of objects in similar way as a single object?
Respuesta
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Composition Pattern
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Facade Pattern
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Adapter Pattern
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Builder Pattern
Pregunta 14
Pregunta
Can we create a clone of a singleton object?
Pregunta 15
Pregunta
Which of the following describes the Behavioral pattern correctly?
Respuesta
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This type of patterns provide a way to create objects while hiding the creation logic rather than instantiating objects directly using new operator
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This type of patterns concern class and object composition. Concept of inheritance is used to compose interface and define ways to compose objects to obtain new functionalities.
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This type of pattern are specifically concerned with communication between objects.
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This type of pattern are specifically concerned with the presentation tier.
Pregunta 16
Pregunta
Which of the following is correct about Singleton design pattern?
Respuesta
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This type of design pattern comes under creational patterns
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This pattern involves a single class which is responsible to create an object while making sure that only single objects gets created
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Singleton class provides a way to access its only object which can be accessed directly without need to instantiate the object of the class
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All of the above
Pregunta 17
Pregunta
Which of the following describes the State pattern correctly?
Respuesta
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In this pattern, a class behavior changes based on its state.
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In this pattern, a null object replaces check of NULL object instance.
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In this pattern, a class behavior or its algorithm can be changed at run time.
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In this pattern, an abstract class exposes defined way(s)/template(s) to execute its methods.
Pregunta 18
Pregunta
In which of the following pattern, a visitor class is used which changes the executing algorithm of an element class?
Pregunta 19
Pregunta
Which of the following describes the Strategy pattern correctly?
Respuesta
-
In this pattern, a class behavior changes based on its state.
-
In this pattern, a null object replaces check of NULL object instance.
-
In this pattern, a class behavior or its algorithm can be changed at run time.
-
In this pattern, an abstract class exposes defined way(s)/template(s) to execute its methods.
Pregunta 20
Pregunta
Which of the following programming languages is the best suited to design pattern?
Pregunta 21
Pregunta
Which of the following is not a valid type of message arrow in sequence diagram?
Respuesta
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Synchronous Message
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Asynchronous Message
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Return Message
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Activate Message
Pregunta 22
Pregunta
Identify which of the following modeling elements is not associated with Use case diagrams
Respuesta
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Actor
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Include relationship
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Extend relationship
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Aggregate relationship
Pregunta 23
Pregunta
Which of the following is not a characteristic of scrum model of product development?
Respuesta
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Incremental development
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Agile nature
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Stable requirements
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Time-boxedscheduling
Pregunta 24
Pregunta
XP with reference to software development methodology is:
Respuesta
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Extreme programming
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Excellent programming
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Extreme processing
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Excellent processing
Pregunta 25
Pregunta
Which of the following is a non functional requirement of a web based application?
Respuesta
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When the user clicks a “read me” link, the color of the link should change from blue to pink
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When the user clicks a “read me” link, the next page should be opened with 5 seconds
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When the user clicks a “read me” link, the mouse over should show the target page title in a tool tip
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When the user clicks a “read me” link, the read me page should load successfully without errors
Pregunta 26
Pregunta
A scrum is actually a
Pregunta 27
Pregunta
___________ enhances performance and functionality of the software after delivery
Respuesta
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re-design
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re-engineering
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post checking
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maintance
Pregunta 28
Pregunta
Which of the following models follow a purely sequential approach?
Respuesta
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Waterfall model
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Spiral model
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Iterative model
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Incremental model
Pregunta 29
Pregunta
Class diagram, component diagram, object diagram and deployment diagram are considered as types of
Respuesta
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Structural diagrams
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Behavioral diagrams
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Non-behavioral diagrams
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Non-structural diagrams
Pregunta 30
Pregunta
Activity diagram, use case diagram, collaboration diagram and sequence diagram are considered as types of :
Respuesta
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Structural diagrams
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Behavioral diagrams
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Non-behavioral diagrams
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Non-structural diagrams
Pregunta 31
Pregunta
Kind of diagrams which are used to show interactions between series of messages are classified as
Respuesta
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Activity diagram
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Sequence diagram
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Collaboration diagram
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All of them
Pregunta 32
Pregunta
Which of the following diagrams is time oriented?
Respuesta
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Activity diagram
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Sequence diagram
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Collaboration diagram
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State chart diagram
Pregunta 33
Pregunta
Which symbol is used to represent Protected visibility in UML ?
Pregunta 34
Pregunta
Which symbol is used to represent Package visibility in UML?
Pregunta 35
Pregunta
Which diagram is like a flow chart which shows the steps decision points and branches?
Respuesta
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Activity diagram
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Sequence diagram
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Collaboration diagram
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State chart diagram
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Communication diagram
Pregunta 36
Pregunta
Object in a set of DFDs have unique names
Pregunta 37
Pregunta
A...is represented graphically by an arrow into or out of a process
Respuesta
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Process
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Entity
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Level
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Flow
Pregunta 38
Pregunta
Data flow diagrams that ‘youtube’ on the movement of data between processes are referred to as:
Respuesta
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process models
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data models
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flow models
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flow charts
Pregunta 39
Pregunta
Calculating an employee’s salary is represented on a data flow diagram as a:
Respuesta
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data flow
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source
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data store
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process
Pregunta 40
Pregunta
An arrow on a data flow diagram represents a:
Respuesta
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data store
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dataflow
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process
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source/sink
Pregunta 41
Pregunta
Which of the following is not true statement regarding data flows?
Pregunta 42
Pregunta
In a data flow diagram, a data flow that consist of other data glows is a(an) :
Respuesta
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Compound flow
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Composite flow
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Control flow
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Complex flow
Pregunta 43
Pregunta
Which of the following is a true about IDEF0 diagram?
Respuesta
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Slides of the box: right - input, left - output, up - controls, down - mechanisms
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Slides of the box: right -controls, left -mechanisms, up - input, down - output
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Slides of the box: right -controls, left - output, up - input, down - mechanisms
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Slides of the box: right - input, left - output, up - mechanisms, down - controls
Pregunta 44
Pregunta
A data flow diagram:
Respuesta
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is a process model
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depicts the flow of data through a system
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uses rounded rectangles to represent processes
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depicts the processing performed by the system
Pregunta 45
Pregunta 46
Pregunta
What is/are advantages of Agile testing?
Respuesta
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Saves time
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Requires less planning and creates less documantation
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Regular feedback from end users
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Solves issue in advance by daily meeting
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All the term
Pregunta 47
Pregunta
When acceptance testing is performed in Agile development?
Pregunta 48
Pregunta
Who is responsible for sprint meeting?
Respuesta
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Product owner
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Scrum team
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Scrum master
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Users
Pregunta 49
Pregunta
Who is prioritized product backlog?
Respuesta
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Product owner
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Scrum team
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Scrum master
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All of them
Pregunta 50
Pregunta
Arrange following scrum practice according to the order in which they are carried out.
1. Sprint planning
2. Daily scrum meet
3. Sprint retrospective meet
4. Sprint review meet
5. Sprint
Respuesta
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1,5,2,3,4
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1,5,2,4,3
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1,2,5,4,3
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1,3,2,4,5
Pregunta 51
Pregunta
… are people who are accountable for the project success.
Respuesta
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Chickens
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Release people
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Hen
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Pigs
Pregunta 52
Pregunta
What is the order in which test levels are performed?
Respuesta
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Unit, Integration, System, Acceptance
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Unit, System, Integration, Acceptance
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Unit, Integration, Acceptance, System
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It depends on nature of a project.
Pregunta 53
Pregunta
Which testing is concerned with behaviour of whole product as per specified requirements?
Respuesta
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Acceptance testing
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Component testing
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System testing
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Integration testing
Pregunta 54
Pregunta
System testing is a
Respuesta
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Black box testing
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White box testing
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Grey box testing
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Both a and b
Pregunta 55
Pregunta
Integrated testing is a
Respuesta
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Black box testing
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White box testing
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Grey box testing
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Both Black and White
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Both Grey and White
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None of them
Pregunta 56
Pregunta
Unit testing is a
Respuesta
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Black box testing
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White box testing
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Grey box testing
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Both a and b
Pregunta 57
Pregunta
System architecture is determined during which phase?
Respuesta
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requirement gathering
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implementation
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development
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design
Pregunta 58
Pregunta
Verifying that whether software components are functioning correctly and identifying the defects in them is objective of which level of testing
Respuesta
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Integration testing
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Acceptance testing
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Unit testing
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System testing
Pregunta 59
Pregunta
Standard phases (requirements, design, code, test) in order to choose the most appropriate model
Respuesta
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Waterfall
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Code and fix
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Iterative
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Spiral
Pregunta 60
Pregunta
Write some code, debug it, repeat - choose the most appropriate model
Respuesta
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Waterfall
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Code and fix
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Iterative
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Spiral