Set 7 - UML class Diagrams Part 1
Quiz by Dr Suriya S - PSGCT
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- Q1
Attribute of a class is derived, can only be read, has return type integer, has public visibility and is named simpleInterest. Identify the correct representation.
~/simpleInterest: Integer
#/simpleInterest: Integer
+/simpleInterest: Integer
-/simpleInterest: Integer
60s - Q2
Identify the relationship shown in the picture below?
Aggregation
Realization
Composition
Dependency
60s - Q3
A college first starts with a building. It then elects the professors and forms the departments. Initially a department may contain no student. Students will be allocated to one department atleast but cannot be allocated to more than 3 departments. Identify the cardinality between Department and Student.
Department: 1 and Student: 1..*
Department: 1..3 and Student: *
Department: * and Student: 1..*
Department: * and Student: *
60s - Q4
What is the visibility of the method issueBook() of the class LibraryMember?
Private
Public
Package
Protected
60s - Q5
Which one of the following UML Class diagrams most accurately models:
"A Person keeps animals as pets. An animal as a single person as its owner."
60s - Q6
Which of the following is implied by class diagram?
Each key object has a link to many door objects.
Each door object has an attribute to store a reference to a key object.
Each key object has link to exactly one door object.
Each door object has links to many key objects.
60s - Q7
Which of the following aspects is not a part of class diagram design?
attributes
operations
events and actions
navigation
60s - Q8
Which one of the following terms is a measure of the number of links of an object with another object?
Cardinality
Linkedness
Coupling
Stereotype
60s - Q9
Which of the following is implied by the class diagram given below?
A key opens up to 5 doors
A door is opened up to 5 keys
Many doors are opened by a key
Many keys open up to 5 doors
60s - Q10
Which of the following is NOT implied by the class diagram given below?
A door is opened up to 5 keys
A key opens up to 5 doors
A door is opened up to 2 keys
Some keys open 2 doors
60s - Q11
Which of the following is NOT implied by the class diagram given below?
Some teachers teach two courses
Each course is jointly taught by exactly two teachers
Some teachers may teach three courses
Some teachers may not teach any course
60s - Q12
Consider the statement: "An employee is either a worker or a manager." Assuming that Employee and Manager to be two classes, what can be said about the relationship between these two classes?
Containment
Polymorphism
Association
Generalization-specialization
60s - Q13
Which one of the following phrases indicates the relationship that exists between a class and its public parent class?
"...is implemented as a..."
"...is a..."
"...uses a..."
"...has a..."
60s - Q14
Which one of the following sentences most closely describes "multiple inheritance"?
Two classes inherit from each other
A child class has both an "is a" and a "has a" relationship with its parent class
A base class has two or more derived classes
A child class has two or more parent classes
60s - Q15
Which one of the following best characterizes the inheritance relation between two classes?
Polymorphism
Aggregation of information
Generalization and specialization.
It is the same as encapsulation.
60s
