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Oracle Application Development Framework Essentials

Question No: 21

You are working on the design of Web pages for an application. One page requires that user can collapse or restore panels of data. When a panel collapsed the panel contents are hidden: when panel is restored, the contents are displayed.

Which two layout components would enable you to achieve this design?

  1. af:panelSplitter

  2. af:panelCollection

  3. af:panelTabbed

  4. af:decorativeBox

  5. af:panelAccordion

Answer: C,E

Reference: http://docs.oracle.com/cd/E12839_01/web.1111/b31973/af_orgpage.htm (table 8-1)

Question No: 22

Choose two advantages of writing code in the application module that sets up or manipulates the data model?

  1. It configures entity object properties to query the correct data to display.

  2. lt;!-[if !ppt]-gt; lt;!- -[e鈥瀌ifj-gt;You make the Intent of your code more clear to clients.

  3. It does not require publishing to allow the client to access the methods.

  4. lt;!-[if !ppt]-gt; lt;!- -[e鈥瀌ifj-gt; you keep the option open to improve your implementation without affecting clients.

  5. It is implemented in the application module#39;s Def class allowing greater flexibility.

Answer: A,E

Question No: 23

Which three statements are true about ADF Business Component declarative validation?

  1. An entity object attribute can have more than one validation rule.

  2. Declarative validation can also be defined on a view object to override the entity object level validation.

  3. For an entity object level validation rule, you can define which attributes will trigger the validation rule.

  4. If your application is to be deployed in three different languages, then a separate validation rule is required for each language to handle the different translated error messages.

  5. You can define a declarative validation rule to call a Java method.

Answer: A,C,E

Reference: http://docs.oracle.com/cd/E16162_01/web.1112/e16182/bcrules.htm#sm0241

Question No: 24

During the development of an ADF BC application, you have created an entity object, CustomerEO, based on the CUSTOMERS table in the database. Further analysis of requirements highlights two transient attributes that need to be added to the CustomersEO entity object.

This means that you will have a mismatch between the entity object and the underlying table. What action should you take?

  1. Ask the DBA to add the new entity object attributes as columns in the CUSTOMFR table and then run the Create Entity Object Wizard.

  2. Ask the DBA to add the new entity object attributes as columns in the CUSTOMERS table and then synchronize the CustomersEO entity object and the CUSTOMERS table.

  3. None. The entity object can contain attributes that do not exist as columns in the table.

  4. Add the attributes to the entity object, and then synchronize the CustomersEO entity object and the CUSTOMERS table.

Answer: C

Question No: 25

You have a page that shows order items, and the product ordered. When you add a product to the ordered item list, you select it from a category. You select a category and then select the product to order from the category. You can accomplish this task with a dependent list of values. In order to accomplish this task you need to create a view criteria on the product’s view. Which attribute from the Product’s view should you use in the view criteria?

  1. OrderItemId

  2. ProductId

  3. ProductName

  4. CategoryId

  5. CategoryName

Answer: B

Question No: 26

Identify the business component that is being described below.

“It is a smart data service containing a data model of master-detail queries that your client interface needs to work with. It also provides a transaction and database connection used by the components it contains.”

  1. a service method

  2. a transaction

  3. an application module

  4. a view object

  5. a task flow

  6. a data control

Answer: C

Reference: http://docs.oracle.com/cd/E12839_01/web.1111/b31974/bcintro.htm (topic 3.2.1.1)

Question No: 27

The FOD schema includes two entity objects, ProductEO and ProductCategoryEO, related as shown in the screenshot. Examine the recursive relationship that ProducCategoryEO has with itself and choose the business rule that this relationship implements.

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  1. A Product Category belongs to one or many (parent) Product Categories and a Product Category contains one or many (child) Product Categories.

  2. A Product Category may belong to a (parent) Product Category and may contain a (child) Product Category.

  3. A Product Category belongs to one and only one (parent) Product Category and contains at lea one (child) Product Category.

  4. A Product Category belongs to one or many (parent) Product Categories and may contain Product Categories.

  5. A Product Category must belong to at least one (parent) Product Category and must contain and only one (child) Product Category.

Answer: B

Question No: 28

In an HR replication you want to add validation using Groovy language. The validation is defined on the salary attribute. It needs to ensure that if an employee’s job is not that of a salesman’s then the new value of the salary must be greater than 500 or greater than zero. What is the Groovy expression you use?

  1. (Job quot;SALESMANquot; ? newValue gt; 500 : newValue gt; 0)

  2. (job != quot;SALESMANquot; ? currentValue gt; 500 : currentValue gt; 0)

  3. (job !=quot;SALESMANquot; : newValue gt; 500 ? newValue gt; 0)

  4. (job !=#39;SALESMAN#39; ? newValue gt; 500 : newValue gt; 0)

  5. (job != quot;SALESMANquot; ? newValue gt; 500 : newValue gt; 0)

Answer: E

Reference: http://www.oracle.com/technetwork/developer-tools/jdev/introduction-to-groovy- 128837.pdf (page 12)

Question No: 29

How can you augment each entity object in an application so that a logging method is called after each create () method?

  1. Override the create () method of the ApplicationModuleImp1 to implement the logging.

  2. Override the create () method of each EntityDefimp1 to implement the logging

  3. Set the jbo.loglevel and jbo.logoutput configuration parameters in the bc4j.xcfg file

  4. Override the createEntity () method of each EntityImp1 to implement the logging

  5. Override the create () method of a base Entityimp1 class and extend the class for each entity in the application

Answer: B

Question No: 30

Which component is providing the following functionality on this graph?

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  1. dvt: referenceobject

  2. dvt:graphPlotArea

  3. dvt: series

  4. dvt: seriesSet

  5. dvt: annotation

  6. dvt: y1Axis

Answer: A

Reference: http://download.oracle.com/docs/cd/E12839_01/apirefs.1111/e12418/tagdoc/dvt_reference Object.html

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