Online Access Free PDII Practice Test

A developer is tasked with creating a Lightning web component that is responsive on various devices, Which two components should help accomplish this goal?
Choose 2 answers

• A.lightning-navigation
• B.lightning-layout--item
• C.Lightning-layout
• D.Lightning-input-location

Which tag should a developer use to display different text while an <apex:commandButton> is Processing an action?

• A.<apex:pageMes sagas
• B.<apex:actionStatus>
• C.<apex:actionSupparts
• D.<apex:actionPaller>

A developer is building a Lightning web component that searches
for Contacts. The component must communicate the search
results to other unrelated Lightning web components, that are in
different DOM trees, when the search completes.
What should the developer do to implement the communication?

• A.Fire a custom component event.
• B.Fire an application event.
• C.Publish an event on an event channel.
• D.Publish a message on a message channel.

An org records customer order information in a custom object, ordar__c, that has fields for the shipping address. A developer is tasked with adding code to calculate shipping charges on an order, based on a flat percentage rate associated with the region of the shipping address.
What should the developer use to store the rates by region, so that when the changes are deployed to production no additional steps are needed for the calculation to work?

• A.Custom list setting
• B.Custom hierarchy setting
• C.Custom object
• D.Custom metadata type

A developer is inserting, updating, and deleting multiple lists of records in a single transaction and wants to ensure that any error prevents all execution.
How should the developer implement error exception handling in their code to handle this?

• A.Use Database.setSavepoint {} and Database.rollBack with a try-catch statement.
• B.Use a try-catch statement and handle DML cleanup in the catch statement,
• C.Use Database methods to obtain lists of Database.SaveResults.
• D.Use a try-catch and use sObject.addError() on any failures.