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IBM 000-255 Exam -

Free 000-255 Sample Questions:

1.A standalone Java application creates a log file without specifying a path name. The log file will be created in:
A.The product installation directory.
B.The bin subdirectory under the product installation directory.
C.The root directory of the project.
D.The package folder in which the main Java class is located.
Answer: C

2.What should be done to prevent the Server Selection dialog box from activating when a developer runs an Enterprise Application from its context menu?
A.Select the "Set server as project default" option from the Server Selection wizard.
B.Select the "Do not prompt" option in the Servers view.
C.Create a new server and select the "Set server as workspace default" option in the Server Creation wizard.
D.Add the project to the server from the server's context menu.
Answer: A

3.What steps MUST be performed to add a Web project to a server?
A.Right­click on the Web project and select Add to Server Configuration. Select the desired server.
B.Right­click on an Enterprise Application project that contains the Web application and select Add to Server Configuration. Select the desired server.
C.Right­click on the server in the Servers view and select Add and remove projects. Select the Web project from the Available projects list and click Add.
D.Right­click on the server in the Servers view and select Add and remove projects. Select an Enterprise Application project that contains the Web application from the Available projects list and click Add.
Answer: D

4.Datasources created in the Application Deployment Descriptor editor can be accessed by:
A.Applications running on the server.
B.Applications in the current workspace.
C.Modules contained in the EAR file where the definition is made.
D.J2EE Application client modules accessing the server.
Answer: C

5.A developer has imported a new EAR file into a workspace. What is the result of selecting the
Enterprise Application and choosing Run ­> Run on Server from its context menu?
A.The Server Selection dialog box is activated.
B.The "Add and remove projects" dialog is activated.
C.The Server Creation wizard is activated.
D.The Enterprise Application runs on the workspace default server.
Answer: A

6.When a developer creates a servlet using the Servlet wizard, what is the purpose of the servlet name?
A.It is required to be used as the servlet class name.
B.It is used in the default URL mapping.
C.It is used to create an interface to the servlet.
D.It is used for filter mapping.
Answer: B

7.A company is designing a Web application. Which TWO of the following technologies provide a model­view­controller framework?
Answer: A, D

8.Which of the following is NOT supported by Page Designer?
Answer: A

9.Which TWO of the following views allow a developer to see Struts resources organized by their Struts­specific types?
A.Project Explorer
B.Java Browsing
C.Struts Gallery
D.Struts Explorer
Answer: A, D

10.In which TWO of the following locations can the context root of a Dynamic Web project be changed?
A.The Modules page of the Application Deployment Descriptor editor
B.The XML source of the application.xml file
C.From the J2EE dialog of the Properties of the Dynamic Web project
D.The source of the web.xml file
Answer: B, C

11.A developer is creating a Struts enabled application using the Web Diagram editor. The resources in the editor that are gray and do not have bold label text are:
Answer: C

12.A developer wishes to create a project that contains a mix of HTML files, JSP files, servlets, and Java classes. Which option should the developer choose in the New Project wizard?
A.Dynamic Web Project
B.Static Web Project
C.Java Project
D.Server Project
Answer: A

13.Which of the following operations CANNOT be performed via the Insert Custom Tag dialog when editing a JSP in Page Designer?
A.Import a tag library into the Web project.
B.Add a taglib descriptor to the JSP.
C.Add a tag to the JSP.
D.Add a custom JSP tag to the JSP.
Answer: C

14.A developer has a partially complete Web application at the C:\root\webApplication directory. In order to continue development in Rational Application Developer, what could the developer do?
A.Open a new workspace at C:\root\webApplication.
B.Open a new workspace at C:\root, and create a new Web project called webApplication.
C.From any workspace, create a new Web project, setting the context root to C:\root\webApplication.
D.From any workspace, create a new Web project, and selectively import the files from C:\root\webApplication.
Answer: D

15.Which TWO of the following can be configured from the Servlets page of the Web Deployment Descriptor?
B.URL Mappings
C.Initialization parameters
D.Invoker Attributes
Answer: B, C

16.An Enterprise Application project contains multiple Dynamic Web projects. All of the Web projects use a set of common classes defined in a Java project. The common classes are still under development and are changing daily. What is the BEST way to make the common classes available to the Web projects at runtime?
A.Add the Java project as a Web Library Project in each of the WARs.
B.Add the Java project as a Project Utility JAR in the EAR and create a Java JAR Dependency in each of the Dynamic Web projects.
C.Export the Java project as a JAR file and import it into the WebContent/WEB­INF/lib folder of each of the Dynamic Web projects.
D.Export the classes of the Java project and import the individual class files into the
WebContent/WEB­INF/classes folder of each of the Dynamic Web projects.
Answer: B

17.A developer wants to import a zip file into a project without expanding the contents of the file. The Developer should use which of the following File ­> Import features?
A.File System
B.Zip file
C.Resource file
D.J2EE Jar file
Answer: A

18.Which of the following BEST describes perspectives within Rational Application Developer?
A.A perspective is a collection of views that facilitate a particular development role.
B.A perspective can be customized with different editors, depending on the needs of the developer.
C.Perspectives can contain other perspectives.
D.Perspectives are opened as a result of launching external applications.
Answer: A

19.A developer customizes the Java perspective and wants to save the changes as the default perspective that is opened in the workspace. Which of the following actions would be BEST for the developer to perform?
A.Choose Window ­> Save Perspective As and name the new perspective MyJava; Choose Window ­> Preferences ­> Workbench ­> Perspectives, select MyJava and click Make Default.
B.Choose Window ­> Save Perspective; Choose Window ­> Preferences ­> Workbench ­> Perspectives, select Java and click Make Default.
C.Choose Window ­> Preferences ­> Workbench ­> Perspectives, select Java and click Make Default.
D.Choose Window ­> Perspective ­> Save Current As Default.
Answer: A

20.What can a developer do to allow quick access to a particular Help page?
A.In the main menu, click Help ­> Bookmark to bring up a list of Help topics, browse to the desired page, and click Add.
B.In the main menu, click Favorites ­> Manage Favorites, and select the desired page from the list of Help topics.
C.In the Help window, browse to the desired page, and click the Bookmark Document icon in the toolbar.
D.In the Help window, browse to the desired page, and click Favorites ­> Add to Favorites from the menu.
Answer: C

21.While updating an existing servlet in a Dynamic Web Project, a developer introduces a syntax error that is difficult to fix. In order to recover the original version of the code, the developer should:
A.Replace the Dynamic Web Project in the workspace with the workspace back up version.
B.Replace the servlet with the previous version from local history.
C.Replace the line of code by highlighting it, and selecting Local History from the context menu.
D.Replace the code with the previous version by double clicking on the error icon in the left hand margin of the Java editor.
Answer: B

22.To maintain history files on a local system for two weeks and then have them automatically deleted after the two weeks passes, how would a developer set the Workbench Preferences?
A."Days to keep files" Local History value to 14
B."File Associations" Local History value to 14
C.Java files archive value to 14
D.Server files archive value to 14
Answer: A

23.A developer is currently working in workspace "A" and wants to work in another previously created workspace "B". What is the MOST efficient way to accomplish this?
A.Use the Switch Workspace feature.
B.Exit Rational Application Developer and open workspace "B".
C.Attach workspace "B" to the current workbench session.
D.Open a second Rational Application Developer workbench session on workspace "B".
Answer: A

24.Which of the following settings allows a developer to conform to best practices prescribed by a technical team?
A.Window ­> Preferences ­> Java ­> Design Rules
B.Window ­> Preferences ­> Java ­> Code Review
C.Window ­> Preferences ­> Java ­> Best Practices ­> Code Review
D.Window ­> Preferences ­> Project ­> Design Rules
Answer: B

25.In a Java Scrapbook page, a developer has highlighted the line System.out.println("hello world"). Which of the following describes what happens when the developer selects Execute from the context menu?
A."hello world" is displayed in a popup window.
B."hello world" is displayed in the Console view.
C."hello world" is displayed in the Scrapbook.
D."(No explicit return value)" is displayed in the Scrapbook.
Answer: B

26.Under what conditions should a developer enable step­by­step debugging?
A.When the developer wants to set a breakpoint at each line in a Java project.
B.When the developer wants to have a step­by­step tutorial on how to use the debugger.
C.When the developer wants to be prompted each time a Web object is accessed.
D.When the developer wants to see a slide show of how the variable values change during the course of the application.
Answer: C

27.Which of the following ways may a developer use to set a breakpoint in Java source code?
A.Select Source ­> Set Breakpoint from Debug Perspective's main menu bar after highlighting the line.
B.Double­click on the marker bar next to the source code line in the Java Editor.
C.Highlight the line of code and click on the breakpoint icon in the toolbar.
D.Highlight the line of code and create a Breakpoint Task from the Tasks View.
Answer: B

28.A developer is debugging an application. The program is currently halted on a method call that returns an object. The developer wants to see the value of one of the fields of the returned object before actually stepping over the line of code in the debugger. The developer should:
A.Highlight the method call, right­click and select Execute.
B.Highlight the method call, right­click and select Display.
C.Highlight the method call, right­click and select Inspect.
D.Hold the cursor over the method call and view the result as tool text.
Answer: C

29.What is the best practice for a developer to group a number of JUnit test cases together for one test session?
A.Select Run ­> Run as ­> JUnit Test from the main menu, then select the Test Cases in the Configuration screen.
B.Open the New wizard, select Java ­> JUnit ­> JUnit Test Suite, and select the Test Cases to add to the Test Suite.
C.Create a new JUnit Test Case, and create a testAll() method where it makes calls to all the other Test Cases.
D.Create a super class for all the Test Cases, and run the super class as a JUnit Test.
Answer: B

30.A developer is debugging a JSP page in the WebSphere Test Environment. How can the developer examine the cookie values in the Variables view?
A.Click on the Filters button and select "Cookies".
B.Examine the cookies attribute in the context variable.
C.Examine the cookies variable.
D.Examine the cookies attribute in the request variable.
Answer: D

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