DEV-501 Sample Questions Answers

A single column in a table. An component must always be a child of an or component.

Note that if you specify an sObject field as the value attribute for an , the associated label for that field is used as the column header by default. To override this behavior, use the headerValue attribute on the column, or the column's header facet.

Match the Force.com platform aspects with their corresponding descriptions.

How do you call Web Services from external sources? (No Answer)

A graphic image, rendered with the HTML tag.

An ordered or unordered list of values that is defined by iterating over a set of data. The body of the component specifies how a single item should appear in the list. The data set can include up to 1,000 items.

A button that is rendered as an HTML input element with the type attribute set to submit, reset, or image, depending on the tag's specified values. The button executes an action defined by a controller, and then either refreshes the current page, or navigates to a different page based on the PageReference variable that is returned by the action.

An component must always be a child of an component.

See also:

What types of sharing are available to developers to share records? (No Answer)

What two methods of customization are available to create applications in salesforce?

In a recruiting application, a Position custom object is related to a Salary custom object. Sensitive information, such as current salary, is stored on the Salary object. All users should be able to at least view position information. However, only select individuals should be able to read salary records.

How should a developer accomplish this?

What annotation can be used with Web Services to allow unrestricted queries when no DML operations are necessary? (No Answer)

A user can only see the fields A, B, and C on a record of Object X until the Stage field value on the record changes from New to Working. Once the Stage field value is updated to Working and the record is saved, the user should be able to see fields A, B, C, and D.

How would an application developer configure this?

What are access modifiers used to implement? (No Answer)

Objects of this Apex class allow developers to create list controllers similar to, or as extensions of, the pre-built Visualforce list controllers provided by Salesforce.

What name identifies datatypes such as Integer, Boolean, String and Enum in Salesforce?

Which type of custom field can be an external ID?

What keyword is used to create custom Web Services from an apex method?

Which trigger context variable allows you to modify field values before they are written to the database in the before trigger? (No Answer)

An area of a Visualforce page that demarcates which components should be processed by the Force.com server when an AJAX request is generated. Only the components in the body of the are processed by the server, thereby increasing the performance of the page.

This Apex class offers Ideas-specific functionality in addition to what is provided by the StandardController class.

Hiring managers at Universal Containers would like a visual mechanism for determining review score outliers. Review scores are captured as a custom field on a custom Review object and can range from l to 10. Any review score that is > 8 should be highlighted in green.

Any review score that is < 4 should be highlighted In red.

How would a developer accomplish this?

What are some RESTful service callout HTTP verbs? (No Answer)

What determines how the email service responds when an attempt to access the email service fails? (No Answer)

What are the four ways to deploy Apex code? (No Answer)

What are the stages of an application development process? (No Answer)

The Log a Call publisher lets support agents who use Case Feed create logs for customer calls. This component can only be used in organizations that have Case Feed, Chatter, and feed tracking on cases enabled.

A section of a Visualforce page that allows users to enter input and then submit it with an or . The body of the form determines the data that is displayed and the way it is processed. It's a best practice to verify that pages and custom components use at most one tag.

As of API version 18.0, this tag can't be a child component of .

A link to a JavaScript library that can be used in the Visualforce page. When specified, this component injects a script reference into the head element of the generated HTML page.

For performance reasons, you may simply want to use a JavaScript tag before your closing tag, rather than this component.

Which type of tab can a developer create? Choose 3 answers.

How does the Email service process inbound emails? (No Answer)

The markup defines the user interface components that should be included on the page, and the way they should appear.

Why might a reporting snapshot fail during a scheduled run? Choose 3 answers

Which property of a field can be edited within the page layout editor? Choose 2 answers

For objects where data access is granted through the role hierarchy, how is access granted?

A component that creates an input field to upload a file.

Note: The maximum file size that can be uploaded via Visualforce is 10 MB.

What is the this keyword used to represent?

A section of data within an component, similar to a section in a standard Salesforce page layout definition.

An component consists of one or more columns, each of which spans two cells: one for a field's label, and one for its value. Each component found in the body of an is placed into the next cell in a row until the number of columns is reached. At that point, the next component wraps to the next row and is placed in the first cell.

To add a field from a Salesforce object to an , use an or component. Each of these components automatically displays with the field's associated label. To add fields for variables or methods that are not based on Salesforce object fields, or to customize the format of Salesforce object field labels, use an component. Each , , or component spans both cells of a single column.

An area of a page that includes content from a second template page. Template pages are Visualforce pages that include one or more components. The component names the associated template, and provides body for the template's components with matching components. Any content outside of an component is not rendered.

Which of the following statements identifies the block of code that can handle a particular exception?

• catch
• finally
• try
• throw

What does Apex use to record disruptions in code execution?

What are two key tools to debug code in Salesforce?

Which keywords should u specify to define a constant?

• static and exception
• static and final
• static and private
• exception and final(No Answer)

A set of buttons that are styled like standard Salesforce buttons. This component must be a child component of an .

Note that it is not necessary for the buttons themselves to be direct children of the component—buttons that are located at any level within an component are styled appropriately.

Which is a valid formula return type for a custom formula field? Choose 3 answers

Which standard profile has the "View Encrypted Data" permission by default?

How should one prevent soql injection when using dynamic soql? (No Answer)

A text area input element. Use this component to get user input for a controller method that does not correspond to a field on a Salesforce object, for a value that requires a text area.

In the Universal Containers recruiting app, there is a master-detail relationship between the Job Application and Review objects. Job Application is the master object.

If a Job Application record is deleted, what will happen to any associated Review records?

Which of the following statements are true about components of dynamic Apex?

• Schema describe is a way to program matically learn about the metadata of your data model within Apex.
• Dynamic SOQL refers to the creation of a SOQL string before runtime within an Apex script,
• In dynamic SQQL, you use Sring.escapeSinqIeQuoLes (sLrng)to prevent SQQL injection.
• You can use dynamic SOSL to create a tree structure of all the objects and fields in your schema browser.

Which fields are returned by sosl by default?

What is the this keyword used to represent? (No Answer)

What interface does the Apex email handler implement to setup and inbound email service?

What are two ways to invoke a custom web service?

This Apex class allows developers to reference an instantiation of a page.

What are the three ways to run unit tests?

In which Salesforce environments will the Force.com record IDs be identical?

What are the five types of Apex procedural loops? (No Answer)

What are the types of exception classes developers can choose between in Apex? (No Answer)

To aid ___________, each Visualforce page and custom component is saved with version settings for the specified version of the API as well as the specific version of Visualforce.

This integration resource provides generic access to any organization, and exposes standard objects and fields through the SOAP interface.

Universal Containers tracks Offers as an object in a recruiting application. Once an offer has been accepted by a candidate, there must be a value in a currency field called Actual Salary.

How would a developer meet this requirement?

A component that provides support for invoking controller action methods directly from JavaScript code using an AJAX request. An component must be a child of an component.

Like other Apex classes, custom controllers execute entirely in ____________, in which the object and field-level permissions of the current user are ignored.

Which syntax should you use to create a new public class named MyNewClass?

• Public class MyNewClass {}
• Class public MyNewClass {}
• Class MyNewClass {} public
• MyNewClass public {} class(No Answer)

For example, if you use the standard Accounts controller, clicking a Save button in a Visualforce page results in the same behavior as clicking Save on a standard Account edit page. The same behavior holds true for Custom objects.

Apex code can be initiated in what ways? (Select all that apply)

An HTML input element of type text. Use this component to get user input for a controller method that does not correspond to a field on a Salesforce object.

This component does not use Salesforce styling. Also, since it does not correspond to a field, or any other data on an object, custom code is required to use the value the user inputs.

What statements are used to retrieve records from an sObject in the Force.com database? (No Answer)

What must a developer consider when inserting records using an API-based tool? Choose 2 answers