Question 1
Question
If you need to show the physical relationship between software components and the hardware in the delivered systems, which diagram can you use?
Answer
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Component diagram
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Deployment diagram
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Class diagram
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Network diagram
Question 2
Question
Which diagram in UML is used to describe the physical components their distribution and association?
Answer
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Component diagram
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Deployment diagram
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Class diagram
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Object diagram
Question 3
Question
Aggregation (encapsulation) relationship is represented in UML notation by
Answer
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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
Question 4
Question
In class diagram, inside each class what is to be printed?
Answer
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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
Question 5
Question
Key elements of use-case diagrams are
Question 6
Question
Which of the following describes the Strategy pattern correctly
Answer
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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
Question 7
Question
Which of the following pattern refers to creating duplicate object while keeping performance in mind?
Answer
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Builder Pattern
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Bridge Pattern
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Prototype Pattern
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Composite Pattern
Question 8
Question
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?
Answer
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Composite Pattern
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Facade Pattern
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Adapter Pattern
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Decorator Pattern
Question 9
Question
In which of the following pattern an interface is responsible for creating a factory of related objects without explicitly specifying their classes?
Answer
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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
Question 10
Question
Which of the following is correct about Creational design patterns?
Answer
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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.
Question 11
Question
Which of the following describes of the Observer pattern correctly?
Answer
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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
Question 12
Question
Which of the following describes the Builder pattern correctly?
Answer
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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
Question 13
Question
Which of the following pattern is used where we need to treat a group of objects in similar way as a single object?
Answer
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Composition Pattern
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Facade Pattern
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Adapter Pattern
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Builder Pattern
Question 14
Question
Can we create a clone of a singleton object?
Question 15
Question
Which of the following describes the Behavioral pattern correctly?
Answer
-
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.
Question 16
Question
Which of the following is correct about Singleton design pattern?
Answer
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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
Question 17
Question
Which of the following describes the State pattern correctly?
Answer
-
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.
Question 18
Question
In which of the following pattern, a visitor class is used which changes the executing algorithm of an element class?
Question 19
Question
Which of the following describes the Strategy pattern correctly?
Answer
-
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.
Question 20
Question
Which of the following programming languages is the best suited to design pattern?
Question 21
Question
Which of the following is not a valid type of message arrow in sequence diagram?
Answer
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Synchronous Message
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Asynchronous Message
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Return Message
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Activate Message
Question 22
Question
Identify which of the following modeling elements is not associated with Use case diagrams
Answer
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Actor
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Include relationship
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Extend relationship
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Aggregate relationship
Question 23
Question
Which of the following is not a characteristic of scrum model of product development?
Answer
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Incremental development
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Agile nature
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Stable requirements
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Time-boxedscheduling
Question 24
Question
XP with reference to software development methodology is:
Answer
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Extreme programming
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Excellent programming
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Extreme processing
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Excellent processing
Question 25
Question
Which of the following is a non functional requirement of a web based application?
Answer
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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
Question 26
Question
A scrum is actually a
Question 27
Question
___________ enhances performance and functionality of the software after delivery
Answer
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re-design
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re-engineering
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post checking
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maintance
Question 28
Question
Which of the following models follow a purely sequential approach?
Answer
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Waterfall model
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Spiral model
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Iterative model
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Incremental model
Question 29
Question
Class diagram, component diagram, object diagram and deployment diagram are considered as types of
Answer
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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
Question 30
Question
Activity diagram, use case diagram, collaboration diagram and sequence diagram are considered as types of :
Answer
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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
Question 31
Question
Kind of diagrams which are used to show interactions between series of messages are classified as
Answer
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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
Question 32
Question
Which of the following diagrams is time oriented?
Answer
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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
Question 33
Question
Which symbol is used to represent Protected visibility in UML ?
Question 34
Question
Which symbol is used to represent Package visibility in UML?
Question 35
Question
Which diagram is like a flow chart which shows the steps decision points and branches?
Answer
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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
Question 36
Question
Object in a set of DFDs have unique names
Question 37
Question
A...is represented graphically by an arrow into or out of a process
Answer
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Process
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Entity
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Level
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Flow
Question 38
Question
Data flow diagrams that ‘youtube’ on the movement of data between processes are referred to as:
Answer
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process models
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data models
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flow models
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flow charts
Question 39
Question
Calculating an employee’s salary is represented on a data flow diagram as a:
Answer
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data flow
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source
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data store
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process
Question 40
Question
An arrow on a data flow diagram represents a:
Answer
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data store
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dataflow
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process
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source/sink
Question 41
Question
Which of the following is not true statement regarding data flows?
Question 42
Question
In a data flow diagram, a data flow that consist of other data glows is a(an) :
Answer
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Compound flow
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Composite flow
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Control flow
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Complex flow
Question 43
Question
Which of the following is a true about IDEF0 diagram?
Answer
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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
Question 44
Question
A data flow diagram:
Answer
-
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
Question 45
Question 46
Question
What is/are advantages of Agile testing?
Answer
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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
Question 47
Question
When acceptance testing is performed in Agile development?
Question 48
Question
Who is responsible for sprint meeting?
Answer
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Product owner
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Scrum team
-
Scrum master
-
Users
Question 49
Question
Who is prioritized product backlog?
Answer
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Product owner
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Scrum team
-
Scrum master
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All of them
Question 50
Question
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
Answer
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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
Question 51
Question
… are people who are accountable for the project success.
Answer
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Chickens
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Release people
-
Hen
-
Pigs
Question 52
Question
What is the order in which test levels are performed?
Answer
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Unit, Integration, System, Acceptance
-
Unit, System, Integration, Acceptance
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Unit, Integration, Acceptance, System
-
It depends on nature of a project.
Question 53
Question
Which testing is concerned with behaviour of whole product as per specified requirements?
Answer
-
Acceptance testing
-
Component testing
-
System testing
-
Integration testing
Question 54
Question
System testing is a
Answer
-
Black box testing
-
White box testing
-
Grey box testing
-
Both a and b
Question 55
Question
Integrated testing is a
Answer
-
Black box testing
-
White box testing
-
Grey box testing
-
Both Black and White
-
Both Grey and White
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None of them
Question 56
Question
Unit testing is a
Answer
-
Black box testing
-
White box testing
-
Grey box testing
-
Both a and b
Question 57
Question
System architecture is determined during which phase?
Answer
-
requirement gathering
-
implementation
-
development
-
design
Question 58
Question
Verifying that whether software components are functioning correctly and identifying the defects in them is objective of which level of testing
Answer
-
Integration testing
-
Acceptance testing
-
Unit testing
-
System testing
Question 59
Question
Standard phases (requirements, design, code, test) in order to choose the most appropriate model
Answer
-
Waterfall
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Code and fix
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Iterative
-
Spiral
Question 60
Question
Write some code, debug it, repeat - choose the most appropriate model
Answer
-
Waterfall
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Code and fix
-
Iterative
-
Spiral