CH3 (test bank)

Question 1

T/F: The CRUD technique is often used to validate and enhance the list of use cases.

Answer 1

T

Question 2

T/F: During the interviews in the user goal technique, the analyst should not try to influence the users in discussing their work methods.

Answer 2

F

Question 3

T/F: Before using the user goal technique the analyst must first identify and classify all the types of system users.

Answer 3

T

Question 4

T/F: One benefit of the event decomposition technique is that it helps to identify use cases at the right level of detail.

Answer 4

T

Question 5

T/F: The event decomposition technique begins by identifying use cases.

Answer 5

F, begins by identifying events that occur.

Question 6

T/F: The end product of the event decomposition technique is a list of use cases at the right level of analysis.

Answer 6

T

Question 7

T/F: When describing an external event, there is no need to worry about the person or thing causing the event.

Answer 7

F

Question 8

T/F: Temporal events always occur on a fixed date or at a fixed time.

Answer 8

F, it occurs as a result of reaching a point in time.

Question 9

T/F: A state event is a political or governmental activity.

Answer 9

F

Question 10

T/F: Another name for a state event is an internal event

Answer 10

T

Question 11

T/F: When a customer buys an item of merchandise using his store credit account, a separate event is required to pay the store.

Answer 11

T

Question 12

T/F: Another name for the “includes” relationship is the “uses” relationship.

Answer 12

T

Question 13

T/F: During analysis the analyst should be sure to identify system control events such as the user logging in or out.

Answer 13

F

Question 14

T/F: CRUD stands for create, reply, update, delete.

Answer 14

F, it is read not reply.

Question 15

T/F: The CRUD technique is most useful as a cross-check along with other techniques.

Answer 15

T

Question 16

T/F: When using the CRUD technique, data ownership by foreign systems is an important consideration.

Answer 16

T

Question 17

T/F: One way to determine whether an occurrence is an event or part of the interaction before or after an event is by asking if any long pauses or intervals occur.

Answer 17

T

Question 18

T/F: A state event is an event that occurs when something happens outside the system that triggers the need for processing.

Answer 18

F, External not state.

Question 19

T/F: Real-time systems require the system to react immediately to things that are going on in the environment.

Answer 19

T

Question 20

T/F: The focus on external events is inappropriate when working with end users because discussing events tends to confuse the issues.

Answer 20

F

Question 21

T/F: The focus on external events is inappropriate when working with end users because discussing events tends to confuse the issues.

Answer 21

F

Question 22

T/F: One technique used to help decide which events apply to controls is to assume that technology is perfect.

Answer 22

T

Question 23

T/F: An actor is a person that plays a particular role within a business process.

Answer 23

F

Question 24

T/F: An actor is a person that plays a particular role within a business process.

Answer 24

F

Question 25

T/F: In a use case diagram an actor must always be a person.

Answer 25

F

Question 26

One technique to identify use cases is to ask users what they want to achieve with a particular business procedure. This technique is called the ______ technique.

Answer 26

user goal

Question 27

The event decomposition technique begins by identifying all of the _______.

Answer 27

business events

Question 28

Something that occurs at a specific time and place and should be remember by the system is called a(n) _______. a. use case c. user goal b. elementary business process d. event

Answer 28

d. event

Question 29

The user goal technique normally begins by identifying, listing, and classifying _______ . a. the system users c. the business processes b. the business events d. the system stakeholders

Answer 29

a. the system users

Question 30

The source of using the concept of events to define functional requirements was first emphasized with _______ systems. a. business c. real-time b. operating d. batch

Answer 30

c. real-time

Question 31

The type of event that occurs outside of the system is called a(n) _______.

Answer 31

external event

Question 32

An event that occurs by reaching a point in time is called a _______ event.

Answer 32

temporal

Question 33

An occurrence at a specific time and place, which can be described and is worth remember, is called a(n) _______.

Answer 33

event

Question 34

A(n) _______ event occurs when something happens inside the system that triggers the need for processing.

Answer 34

state

Question 35

Which of the following is an example of a state event? a. A customer places an order c. Management checks order status b. It is time to send a late notice d. Inventory reorder point is reached

Answer 35

d. Inventory reorder point is reached

Question 36

Which of the following is an example of a temporal event? a. Month end billing is started c. Customer updates address b. User logs into the system d. Inventory reorder occurs

Answer 36

a. Month end billing is started

Question 37

State events are also sometimes called _______ events. a. external c. system b. trigger d. internal

Answer 37

d. internal

Question 38

Checks or safety procedures are put in place to protect the integrity of the system is referred to as _______.

Answer 38

system controls

Question 39

The _______ indicates that events should be included during analysis only if the system would be required to respond under ideal conditions.

Answer 39

a. perfect technology assumption

Question 40

In using the event decomposition technique, which of the following is NOT a type of event that is considered? a. Event initiated by an external agent c. Event initiated by a system change b. Event initiated by a point in time d. Event initiated by a user login

Answer 40

d. Event initiated by a user login

Question 41

An important step in using the CRUD technique is to _______. a. identify the system controls c. identify the business events b. identify the external agents d. identify the data entities

Answer 41

d. identify the data entities

Question 42

The system’s reaction to an event is called a(n) _______ .

Answer 42

use case

Question 43

A one sentence description of a use case is called a(n) _______. a. brief use case description c. intermediate use case description b. short use case description d. use case description

Answer 43

a. brief use case description

Question 44

The boundary between the automated portion of the system and the users of the system is called the _______.

Answer 44

automation boundary

Question 45

In UML notation, the guillemets character is used to show what kind of notation?

Answer 45

stereotypes

Question 46

The UML notation for the “includes” relationship is a(n) _______. a. a solid arrow c. a straight line b. a dashed arrow d. a dashed line

Answer 46

b. a dashed arrow

Question 47

In UML notation the includes relationship connects two use cases. The use case that is “included” use case is the one which _______ . a. is connected to the tail of an arrow c. cannot be determined b. is connected to the head of an arrow d. is not connected to an actor

Answer 47

b. is connected to the head of an arrow

Question 48

The technique used to identify use cases based on external, temporal, and state events is the _______.

Answer 48

event decomposition technique

Question 49

The level of analysis to use when identifying user goals is the _______. a. external event level c. temporal event level b. elementary business process level d. elementary activity level

Answer 49

b. elementary business process level d. elementary activity level

Question 50

An activity that the system performs in response to a user request is called a(n) _______.

Answer 50

use case

Question 51

A technique that is best used to validate the list of existing use cases is called the _______ technique.

Answer 51

CRUD

Question 52

A(n) _______ is a task that is performed by one person in response to a business event, adds value, and leaves the system in a stable condition.

Answer 52

elementary business process

Question 53

A(n) _______ is something that occurs at a specific time and place and can be precisely measured.

Answer 53

event

Question 54

An external agent or person that interacts with the system by supplying data is called a(n) _______.

Answer 54

actor

Question 55

An event that occurs simply by reaching a point in time is called a(n) _______ event.

Answer 55

temporal

Question 56

The _______ states that events should be included during analysis only if the system would be required to respond under perfect technology conditions.

Answer 56

perfect technology assumption

Question 57

Checks and safety procedures that are put in place to protect the integrity of the system are called _______ .

Answer 57

system controls

Question 59

A UML model that is used to show use cases and their relationships to actors is called a(n) _______.

Answer 59

use case diagram

Question 60

The _______ is the dividing line between the computerized portion of the system and the users who operate the system.

Answer 60

automation boundary

Question 61

The _______ technique is a technique to identify use cases by determining specific goals or objectives must be completed by a user.

Answer 61

user goal

Question 62

An event that occurs when something inside the system triggers the need for processing, but usually as a consequence of external activity is called a _______ event.

Answer 62

state

Question 63

An event that occurs outside the system is called a(n) _______.

Answer 63

external event

Question 64

The _______ technique is a technique to identify use cases by determining the external business events to which the system must respond.

Answer 64

event decomposition

Question 65

List three types of events and provide descriptions for each.

Answer 65

An external event is an event that occurs outside the system and is usually initiated by an external agent or actor. A second type of event is the temporal, which occurs as a result of reaching a point in time. A third type of even is a state event. This event occurs when something happens inside the system that triggers the need for processing.