Testking ibm 000-645

By PassGuide-IBM Study Guide | Sep 29, 2008
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pational xde net : 000-645 Exam
Test Information:
• Approximate # of questions: 62
• Duration in minutes: 60
• Format: Multiple Choice and Multiple Response
• Required Passing Score: 80%

Related certifications:
• IBM Certified Specialist for Rational XDE.NET

Exam Objectives:
The XDE.NET v2003 Certification test demonstrates the understanding of the practical skills needed to develop and deploy .NET applications, while also testing competency in model-driven development techniques such as data modeling and transformation, as well as patterns and code templates. The questions cover the following topics:

Getting Familiar with XDE
Introduction to .NET Enterprise Development
The design of a real-world .NET enterprise application
Patterns and Code Templates basics
Developing the Business Layer in Rational XDE
Developing the Integration Layer in Rational XDE
Developing the Presentation Layer in Rational XDE

1.Which strategies do team members need to exercise to overcome the challenges of team
development? (Select all that apply.)
A.Provide simultaneous access to models
B.Control who can update different model elements
C.Eliminate write access to the usecase or requirements model
D.Maintain a history of a model and its elements E.Reduce tracking changes that will slow development Correct:A B D
2.What are the characteristics of reference models? (Select all that apply.)
A.Are separate, readonly models
B.Appear as model files in Model Explorer when the project is synchronized
C.Used most commonly during implementation
D.Are used to generate code
Correct:A B
3.Which names are used to describe table rows in a database? (Select all that apply.)
A.Attributes B.Records C.Tuples D.Domains Correct:B C
4.What should you consider when mapping database tables to UML classes? (Select all that apply.)
A.The number of required classes
B.How to handle identity of objects transformed C.The number of tables that map to one class D.How many classes are in your application
E.How to match data types between table and class data types
Correct:B C E
5.Patterns can be applied using which of these functions? (Select all that apply.)
A.Model Explorer B.Solution Explorer C.Pattern Explorer Correct:A C
6.Transformation is the XDE Data Modeling process that maps tables in the data model to tables in the object model.
A.True B.False Correct:B
7.Which elements define a usecase model? (Select all that apply.)
A.Glossary
B.Actors
C.Deployment diagram
D.Use case
E.Usecase diagram

Correct:B D E
8.What model is used to contain diagrams focusing on the design and documentation of an application?
A.Reference B.Code C.Content Correct:C
9.In the modeling perspective, where can UML notation be used to add a method to a class?
A.Solution Explorer B.Diagram window C.Model Explorer D.Properties window Correct:B
10.What is the advantage of dividing a model into pieces? A.Multiple team members can work on the model at the same time. B.Sequence diagrams are automatically created.
C.Classes are easier to add to the model.
Correct:A
11.Given: In a usecase realization, every flow of events in the original use case is modeled with collaborating objects. What kind of diagram depicts these collaborations?
A.Sequence B.Class C.Component Correct:A
12.What type of engineering converts a database to a data model in XDE?
A.Reverse B.Forward C.Roundtrip Correct:A
13.What best describes the contents of a subsystem?
A.Interfaces and diagrams B.Use cases and actors C.Attributes and operations D.Specification and realization Correct:D
14.A pattern is modeled in the UML as a parameterized collaboration.
A.True B.False Correct:A
15.How does XDE improve team collaboration? (Select all that apply.) A.XDE notifies you when members have successfully completed tasks. B.XDE integrates with SCM solutions.
C.XDE schedules regular team meetings.

D.XDE provides tools for documenting designs.
E.Teams communicate internally and externally using a common language (UML) and common models.
Correct:B D E
16.Which model types are possible in XDE? (Select all that apply.)
A.Reference B.Code C.UML D.Component E.Content F.Use Case
Correct:A B E
17.How does XDE increase developer productivity? (Select all that apply.)
A.Allows for code and models to be in the same tool
B.Keeps the code and model synchronized
C.Makes requirements unnecessary when building new applications
D.Builds complete applications for the developer
E.Provides predefined patterns proven solutions to known problems
Correct:A B E
18.What is a code template? (Select all that apply.)
A.A block of code that cannot be reused
B.A key building block for patterns and RAS in XDE C.A reusable and shared template across projects D.A textual definition of the operation body Correct:B C D
19.When the OwnerScope property of a method is set to CLASSIFIER , then the method has instance scope.
A.True B.False Correct:B
20.In what type of files are patterns stored?
A.Model B.Reference C.Miscellaneous Correct:A
21.Subsystem behavior is demonstrated in usecase realizations, where code implements the behavior defined in the sequence diagrams.
A.True B.False Correct:A
22.What is the function of the Model Documentation window?
A.Create, view and edit documentation B.Specify if an element appears in an instance C.Define the characteristics of relationships
D.Display compiler errors
Correct:A
23.Which of these are runtime analysis activities? (Select all that apply.)
A.Tracing an application to observe the runtime functionality
B.Debugging the code and the models
C.Quantifying how much source code has been tested
D.Profiling code for memory leaks
Correct:A C D
24.Which tools allow you to work with patterns in XDE? (Select all that apply.)
A.Model Explorer
B.RAS XDE Import Wizard C.Pattern Explorer D.Navigator
E.Run Application F.Apply Pattern Wizard Correct:A B C F
25.Which items does XDE reverse engineer in a database? (Select all that apply.)
A.Records
B.Views
C.Relationships (between tables) D.Tablespaces
E.Libraries F.Tables Correct:B C D F
26.How many code models exist for a .NET project?
A.Zero B.One C.Two D.Three Correct:B
27.When a model is divided into smaller pieces, what are the pieces called?
A.Units B.Subunits C.Classes D.Relationships E.Submodels Correct:B
28.Which of these are advantages of using a design pattern? (Select all that apply.)
A.Facilitates reuse, learning and sharing of design knowledge B.Provides a common language for discussing design solutions C.Provides historical documentation of your intended design Correct:A B
29.What does the Rational XDE Data Modeler transform?

A.Tables to classes
B.Primary keys to object identifiers C.Foreign keys to methods D.Relationships to operations Correct:A
30.What profile must a code model apply to transform a table into a class?
A.Reverse Engineering B.Logical Data Model C..NET
D.Data Modeler
Correct:B

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