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Welcome to the UML Diagrams MCQs Page

Dive deep into the fascinating world of UML Diagrams with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of UML Diagrams, a crucial aspect of Software Architecture and Design. In this section, you will encounter a diverse range of MCQs that cover various aspects of UML Diagrams, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Software Architecture and Design.

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Check out the MCQs below to embark on an enriching journey through UML Diagrams. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Software Architecture and Design.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of UML Diagrams. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

UML Diagrams MCQs | Page 6 of 11

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Q51.
What is a sequence diagram?

a.

A diagram that shows interacting individuals along the top of the diagram and messages passed among them arranged in temporal order down the page

b.

A diagram that shows messages superimposed on a diagram depicting collaborating individuals and the links among them

c.

A diagram that shows the change of an individual’s state over time

d.

All of the mentioned

Discuss
Answer: (a).A diagram that shows interacting individuals along the top of the diagram and messages passed among them arranged in temporal order down the page
Q52.
Which of the following is true about Sequence frames?

a.

A sequence diagram has a frame consisting of a rectangle with a pentagon inits upper left-hand corner

b.

The pentagon is its name compartment ; the interaction is represented inside the rectangle

c.

The string in the name compartment has the form sd interaction Identifier where interaction Identifier is either a simple name or an operation specification with the same format as in a class diagram

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q53.
What is a lifeline?

a.

It is a frame consisting of a rectangle with a pentagon inits upper left-hand corner

b.

It is a rectangle containing an identifier with a dashed line extending below the rectangle

c.

It is a name compartment ; the interaction is represented inside the rectangle

d.

None of the mentioned

Discuss
Answer: (b).It is a rectangle containing an identifier with a dashed line extending below the rectangle
Q54.
What does a message mean?

a.

It Passes all communications from one object to another and are represented by message arrows in sequence diagrams

b.

Message goes from the sending object’s lifeline to the receiving object’s lifeline

c.

It is a rectangle containing an identifier with a dashed line extending below the rectangle

d.

All of the mentioned

Discuss
Answer: (a).It Passes all communications from one object to another and are represented by message arrows in sequence diagrams
Q55.
What are the three different types of message arrows?

a.

Synchronous, Asynchronous, Asynchronous with instance creation

b.

Self, Multiplied,Instance generator

c.

Synchronous, Asynchronous, Synchronous with instance creation

d.

None of the mentioned

Discuss
Answer: (c).Synchronous, Asynchronous, Synchronous with instance creation
Q56.
Which of these are true with respect to the message arrows?

a.

The synchronous message arrow is used when a sending individual continues execution after sending the message

b.

The asynchronous message arrow is used when a sending individual suspends execution after sending the message

c.

The dashed arrow is used either to show the return of control from a synchronous message or to create a new entity

d.

All of the mentioned

Discuss
Answer: (c).The dashed arrow is used either to show the return of control from a synchronous message or to create a new entity
Q57.
When is the operation executing, suspended and active?

a.

An operation is executing when some process is actually running its code

b.

An operation is suspended when it sends a synchronous message and it is waiting for the message to return

c.

An operation is active when it is either executing or suspended

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q58.
What is interaction fragments?

a.

A fragment which is a rectangular frame with a pentagonal operation compartment in the upper left-hand corner

b.

A fragment which has a marked part of an interaction specification

c.

The regions resulting from these divisions will not hold the interaction fragment operations

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q59.
Which of the following is true for optional fragments?

a.

An optional fragment is a portion of an interaction that may be done

b.

The fragment operator name is opt

c.

Optional fragments have only a single operand, which must contain a guard

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q60.
What is break fragment?

a.

An fragment which has one or more guarded operands whose guards are mutually exclusive—that is, at most one of them can be true at any time

b.

A fragment which has a single operand that is performed instead of the remainder of the enclosing fragment or diagram if the operand guard is true

c.

A fragment which has a single operand that may or may not have a guard

d.

None of the mentioned

Discuss
Answer: (b).A fragment which has a single operand that is performed instead of the remainder of the enclosing fragment or diagram if the operand guard is true
Page 6 of 11

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