Free Practice Questions for Salesforce DEV-501 Exam

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

Each setSavepoint() and rollback statement counts against the total number of DML statements.

A template component that declares a named area that must be defined by an component in another Visualforce page. Use this component with the and components to share data between multiple pages.

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

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 trigger context variable cannot be deleted? (No Answer)

Developers can use Visualforce to create a Visualforce page definition. A page definition consists of two primary elements:

Visualforce markup

A Visualforce controller

Visualforce markup consists of... (Select all that apply)

What two forms of dml operations can be used in apex?

To leverage functionality of Standard Controllers, while simultaneously adding custom logic, you must write a custom class that extends the standard controller. You notify the Visualforce page of your customizations via the "extensions" attribute of the tag.

A single piece of data in an that takes up one column in one row. An component can include up to two child components. If no content is specified, the column is rendered as an empty space. If one child component is specified, the content spans both cells of the column. If two child components are specified, the content of the first is rendered in the left, "label" cell of the column, while the content of the second is rendered in the right, "data" cell of the column.

Note that if you include an or an component in an , these components do not display with their label or custom help text as they do when they are children of an . Also note that components cannot be rerendered; rerender the child components instead.