SALESFORCE-PD1 Practice Test 13 — 15 Questions

Question 1

Which THREE practices are considered security best practices when developing custom Visualforce pages to prevent Cross-Site Scripting (XSS)? Choose 3 answers.

Accepted Answer

Use standard Visualforce components like <apex:outputText> which automatically HTML-escape output by default.. Preventing XSS in Visualforce involves escaping output, using standard components which escape by default, and encoding untrusted data.

Answer

Disable sharing on all controller classes.

Answer

Set escape="false" on all output components to ensure proper rendering.

Question 2

When testing a class that depends on Custom Settings, what is the best practice?

Accepted Answer

Mock the custom settings using a wrapper class.. Create the custom settings in the test method setup to ensure independence from production data.

Answer

Ignore the custom settings in the test.

Answer

Hardcode the values into the test.

Answer

Use the production custom settings.

Question 3

A developer needs to access private methods in an Apex class for unit testing without making them public. Which annotation is the most appropriate?

Accepted Answer

@TestVisible. @TestVisible allows test classes to access private and protected members of a class.

Answer

@RemoteAction

Answer

@isTest

Answer

@ReadOnly

Question 4

A developer wants to conditionally display an HTML element in a Lightning Web Component template based on a boolean property named 'isVisible'. Which directive should be used?

Accepted Answer

lwc:if. lwc:if is the modern conditional directive in LWC.

Answer

renderIf

Answer

aura:if

Answer

v:if

Question 5

A developer needs to pass data from a child Lightning Web Component to a parent Lightning Web Component up the component hierarchy. What is the standard mechanism to achieve this?

Accepted Answer

Dispatch a CustomEvent in the child and handle it in the parent's template using an event listener directive.. Child-to-parent communication in LWC is achieved by dispatching a custom event using CustomEvent and listening to it in the parent template.

Answer

Use the @api decorator in the child component to expose a public method that the parent can call directly.

Answer

Publish a message using the Lightning Message Service from the child and subscribe in the parent.

Answer

Mutate a shared global reactive property imported from a common utility JavaScript module.

Question 6

Which TWO of the following are true about the 'Debug Log' settings in the Setup menu?

Accepted Answer

Trace flags have an expiration date and time. Logs can be set for users, and the duration of those log traces is limited.

Answer

Debug logs can only be generated for the System Administrator profile

Answer

Setting a trace flag on a user consumes API calls

Answer

Logs can be set to last for an infinite duration

Question 7

A developer needs to chain multiple asynchronous jobs sequentially where Job B must run only after Job A finishes successfully. Which interface should the developer use to achieve this?

Accepted Answer

System.Queueable. Queueable Apex provides the ability to chain jobs by calling System.enqueueJob() from within the execute method of a currently running Queueable job.

Answer

Database.AllowsCallouts

Answer

System.Schedulable

Answer

Database.Batchable

Question 8

A developer needs to retrieve Salesforce data in a Lightning Web Component without writing imperative Apex. Which module should be imported to use the wire service for standard record data?

Accepted Answer

lightning/uiRecordApi. lightning/uiRecordApi provides wire adapters to get, create, update, or delete record data.

Answer

lightning/platformShowErrorToast

Answer

lightning/navigation

Answer

lightning/apex

Question 9

When evaluating whether to use Flow Builder or an Apex trigger for record automation, which scenario best justifies choosing an Apex trigger over a Record-Triggered Flow?

Accepted Answer

Executing custom callouts and complex recursive logic across multiple related parent and child objects in bulk.. Apex triggers are recommended over flows when handling complex multi-object transactional logic, callouts, or heavy bulk operations where performance and fine-grained control are paramount.

Answer

Sending a simple email alert when a Case status changes.

Answer

Displaying a custom validation error message on a field.

Answer

Updating a field on the same record before it is saved.

Question 10

A developer is troubleshooting a Batch Apex job that fails intermittently. Which THREE methods or properties are part of the Database.BatchableContext interface available in batch execution? (Choose three.)

Accepted Answer

getId(). Database.BatchableContext provides methods to get job IDs and batch IDs during execution.

Answer

getAssociatedId()

Answer

getChildJobId()

Question 11

A developer is building a Visualforce page and wants to execute an action method on the controller when a user clicks a button, without performing a full page reload. Which component should be wrapped around the area to be updated?

Accepted Answer

apex:outputPanel with rerender attribute. or with or performs partial page updates.

Answer

apex:pageBlock

Answer

apex:form

Answer

apex:actionFunction

Question 12

A developer is configuring a Lightning Web Component that uses the Lightning Message Service (LMS). Which module must be imported to publish a message on a message channel?

Accepted Answer

lightning/messageService. publish function and the message channel reference are imported from lightning/messageService and the channel definition file respectively.

Answer

lightning/uiRecordApi

Answer

lightning/empApi

Answer

lightning/navigation

Question 13

A developer has an Aura component that needs to communicate with an unrelated Lightning Web Component located on the same Lightning page. Which feature should the developer implement?

Accepted Answer

Lightning Message Service (LMS). The Lightning Message Service (LMS) allows communication between Visualforce pages, Aura components, and Lightning Web Components across the DOM.

Answer

Aura Component Events (app events)

Answer

A shared JavaScript closure via window globals

Answer

Direct DOM traversal using document.querySelector()

Question 14

A developer is working with a Visualforce page and wants to display a list of Account records using standard styling that matches the Salesforce Classic UI. Which component should the developer include?

Accepted Answer

. The or components allow developers to display lists with standard Salesforce formatting.

Answer

<apex:sldsGrid>

Answer

<apex:lightningStylesheets>

Answer

<apex:outputStandardTable>

Question 15

A developer needs to create a custom tab for a Lightning Web Component so it can be navigated to from the App Launcher. What type of custom tab must be created?

Accepted Answer

Lightning Component Tab. Lightning component tabs allow Lightning Web Components and Aura components to be exposed as tabs.

Answer

Visualforce Tab

Answer

Object Tab

Answer

Web Tab