Developing IBM Lotus Domino 8.5.2 Applications Set 2

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Developing IBM Lotus Domino 8.5.2 Applications Set 2

Peter wants to enhance the view controls used in his application so that they can display rich content from the underlying document collection. He wants to do this in an efficient manner as the application has thousands of documents and is accessed by hundreds of concurrent users. Which of the following approaches should John take to add this enhancement to his application most efficiently?

Modify the Domino view to include the rich text field and add a new column to his view controls that automatically binds to this field. ✘ Add a computed column to the view control that opens each document, set the column content type toHTML, and bind the rich text content from each document using JavaScript code. ✘ Add an action to each column that will retrieve the rich text content from the underlying document whenclicked, assign it to a computed field with content type set to HTML, and then display that field. ✘ Nothing - XPages view controls cannot display rich content. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Marco has built an XPage that has increased in complexity over time and now contains several hundred lines of XSP markup, with many postback actions that conditionalize the display of the page. He feels that the page does not perform well and is looking to improve the responsiveness for the end-user. He is considering the following actions to improve performance. All of the following actions may improve performance EXCEPT which one:

Reduce the size of the page by splitting it up into several custom controls wherever possible. ✘ Use Partial Refresh to conditionally redraw only those parts of the page impacted by postback actions. ✘ Conditionally set the "loaded" property to "true" for controls and data sources that are displayed, and"false" when they are hidden. ✘ Use scoped variables to store/retrieve data that will not change between postback requests. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Liz must do a code review of a third party XPages application in order to optimize performance wherever possible. She has come up with a shortlist of things to do. Each of the following can be used to improve performance EXCEPT which one?

Using partial refresh wherever possible. ✘ Replacing post-based requests with get-based requests wherever possible ✘ Setting the dataCache property on Domino view data sources to "full" wherever possible ✘ Using viewScope variables to manage application state wherever possible ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Eric is writing an XPages in the Notes Client (XPinC) application and has a data type problem in a Server Side JavaScript function. How can he find out more information about the objects in his code?

Use print() and _dump statements in his code and look for the output on the server console

✘

Use print() and _dump statements in his code and look in Help -> Support -> View Trace for the output

✘ Set up a new debug configuration in the Java perspective in Domino Designer and then set abreakpoint in the code and step through it to examine the objects ✘ Add a Firebug Lite control to his XPage and then set a breakpoint in the code using Firebug in theNotes Client ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Marion wants to use the Dojo mobile controls in an application she is building for deployment on a Domino 8.5.2 server. Which of the following statements best describes the steps she must take?

Marion just has to use the relevant Dojo modules that are installed by default on the server. ✘ Marion must use modules from at least Dojo 1.5.0. ✘ Marion must use modules from at least Dojo 1.6.0. ✘ Dojo does not have any mobile controls. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Elaine wants to use the "webkit" stylesheet for webkit browsers. Which object will enable her to do this?

facesContext.getExternalContext().getRequest().getHeader("User-Agent")

✘

facesContext.getExternalContext().getContext().getHeader("User-Agent")

✘

facesContext.getRequest().getHeader("User-Agent")

✘

facesContext.getExternalContext().getHeader("User-Agent")

✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Tamsin is building an XPages application for use on mobile devices. She finds the font and row height on View Panel controls too small and difficult to navigate on a touch screen. Which View Panel property should she add her CSS class to?

dataTableStyleClass ✘ viewStyleClass ✘ viewPanelStyleClass ✘ captionStyleClass ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

John wishes to create a component that is capable of saving its state as the JSF component tree is being saved and restored. In order to do this, John's component must implement which of the following interfaces:

com.ibm.xpages.component.XPStateHolder ✘ javax.faces.component.StateHolder ✘ javax.faces.component.DataHolder ✘ javax.xpages.component.StateHolder ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

John wishes to add a Java Class to his XPages application. How would he do this?

Expand his application in the "Applications Navigator" and create a new Java Script Library and place the necessary Java logic within that script library? ✘ Switch to the Java Perspective, navigate to the "Local" Java Source Folder within the application (usingthe Package Explorer), and create the Java Class within that folder ✘ Switch to the Java Perspective and create a new Java Source Folder within the application (using thePackage Explorer), and create the Java Class within that folder ✘ Expand his application in the "Applications Navigator" and create a new Java Agent, place thenecessary Java logic within the agent, and call the agent from within the XPage ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Joe wishes to retrieve the HttpServletRequest while his XPage is loading. Which of the following is true regarding this activity?

Joe needs to add the following server side JS code to the afterPageLoad event: var request = facesContext.getRequest();

✘

It is not possible to obtain this information as an XPage is loading

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Joe needs to add the following server side JS code to the beforePageLoad event:var externalContext = facesContext.getExternalContext(); var request = externalContext.getRequest();

✘

Joe needs to add the following client side JS code to the beforePageLoad event:var clientContext = facesContext.getClientContext(); var request = clientContext.getRequest();

✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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Developing IBM Lotus Domino 8.5.2 Applications Set 2

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