PDI 試験問題を無料オンラインアクセス

A developer has an integer variable called maxAttempts. The developer needs to ensure that once maxAttempts is initialized, it preserves its value for the length of the Apex transaction; while being able to share the variable's state between trigger executions.
How should the developer declare maxAttempts to meet these requirements?

• A.Declare maxattempts as a member variable on the trigger definition.
• B.Declare maxattempts as a variable on a helper class.
• C.Declare maxAttempts as a private static variable on a helper class.
• D.Declare maxattempts as a constant using the static and final keywords.

Which Apex class contains methods to return the amount of resources that have been used for a particular governor, such as the number of DML statements?

• A.Exception
• B.Messaging
• C.Limits
• D.OrgLimits

Managers at Universal Containers want to ensure that only decommissioned containers are able to be deleted in the system. To meet the business requirement a Salesforce developer adds "Decommissioned" as a picklist value for the Status _c custom field within the Container _c object.
Which two approaches could a developer use to enforce only Container records with a status of
"Decommissioned" can be deleted?
Choose 2 answers

• A.After record-triggered flow
• B.Apex trigger
• C.Before record-triggered flaw
• D.Validation rule

What is the result of the following code?

• A.The record will be created and a message will be in the debug log.
• B.The record will be created and no error will be reported.
• C.The record will not be created and an exception will be thrown.
• D.The record will not be created and no error will be reported.

A custom Visualforce controller calls the ApexPages.addMessage() method, but no messages are rendering on the page.
Which component should be added to the Visualforce page to display the message?

• A.<apex:facet name="messages" />
• B.<apex:pageMessage severity="info'' />
• C.<opex:message for"info"/>
• D.<apex:pageMessages />