Question 1 3 pts (TCO 4, 5, 8) The external behavior of a system is described by

Question

Question 1
3 pts
(TCO 4, 5, 8) The external behavior of a system is described by _____.

use case models

structural models

behavioral models

interaction diagrams

Question 2
3 pts
(TCO 4, 5, 8) A(n) _____ is an instantiation of a class.

attribute

behavior

operation

object

Question 3
3 pts
(TCO 4, 5, 8) _____ are information sent to objects to tell them to execute one of their behaviors.

Attributes

Operations

Messages

Instances

Question 4
3 pts
(TCO 4, 5, 8) The focus in a sequence diagram is on _____.

how actors interact with objects to realize a given use case

messages sent by actors to other objects

when an object is being created

the time ordering of messages being passed between objects

Question 5
3 pts
(TCO 4, 5, 8) The order of messages on a sequence diagram goes from _____.

right to left

bottom to top

left to right

top to bottom

Question 6
3 pts
(TCO 4, 5, 8) The first step in building a sequence diagram is to _____.

analyze the use case

identify which objects will participate

set the lifeline for each object

add the focus of control to each object's lifeline

Question 7
3 pts
(TCO 4, 5, 8) An execution occurrence in a sequence diagram is represented by a(n) _____.

thin rectangular box over the lifeline

lifeline

message

actor

Question 8
3 pts
(TCO 4, 5, 8) An analyst depicts the dynamic view of an information system with _____.

use case models

structural models

interaction models

None of these

Question 9
3 pts
(TCO 4, 5, 8) A(n) _____ is a Boolean expression, which allows a transition to occur only if a condition is satisfied.

instantiation

association

guard

condition

Question 10
3 pts
(TCO 4, 5, 8) The behavioral UML diagrams that are used to describe the internal dynamic behavior (behavioral modeling) of information systems are _____.

use case diagram, class diagram, and sequence diagram

use case diagram, sequence diagram, and communication diagram

sequence diagram, communication diagram, and state machine diagram

sequence diagram, communication diagram, and method contract

Explanation / Answer

1).Use cases

Which generally mentions as behaviour diagrams which is employed to tell a group of actions whichn a system can do in association with external user of system.

2).object

but the class is a collection of objects.communication between the objects is acheived by sending and receiving messagses.

3).Messages

4).Time order of messages being passed between objects.

shows the explicit order of messages which are sent among objects in a elucidated communication.

5).Top to bottom

top - happen first

bottom - happen after

6).Analyse the use case

Initially recognise the components of system which is to pictured.

7).thin rectangular box over the lifeline.

8).Interaction models

9).Guard

It is employed to eliminate errors at the time of execution.

10).sequence diagram, communication diagram, and state machine diagram

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