Salesforce Platform Developer II : PDII

Salesforce PDII 考試大綱：

參考：https://trailheadacademy.salesforce.com/certificate/exam-platform-dev2---Plat-Dev-301

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最新的 Salesforce Developers PDII 免費考試真題：

問題 #1
A Lightning web component exists in the system and displays information about the record in context as a modal. Salesforce administrators need to use this component within the Lightning App Builder. Which two settings should the developer configure within the xml resource file?

A. Specify the 'target' to be 'lightning__AppPage'.
B. Set the 'IsVisible' attribute to 'true'.
C. Set the 'IsExposed' attribute to 'true'.
D. Specify the 'target' to be 'lightning__RecordPage'.

問題 #2
Universal Containers uses a custom Lightning page to provide a mechanism to perform a step-by-step wizard search for Accounts. One of the steps in the wizard is to allow the user to input text into a text field, ERP_Number__c, that is then used in a query to find matching Accounts.
Java
erpNumber = erpNumber + '%';
List<Account> accounts = [SELECT Id, Name FROM Account WHERE ERP_Number__c LIKE :
erpNumber];
A developer receives the exception 'SOQL query not selective enough'. Which step should be taken to resolve the issue?

A. Change the query to use a SOSL statement instead of SOQL.
B. Mark the ERP_Number__c field as an external ID.
C. Mark the ERP_Number__c field as required.
D. Move the SOQL query to within an asynchronous process.

問題 #3
Refer to the test method below:
Java
@isTest
static void testAccountUpdate() {
Account acct = new Account(Name = 'Test');
acct.Integration_Updated__c = false;
insert acct;
CalloutUtil.sendAccountUpdate(acct.Id);
Account acctAfter = [SELECT Id, Integration_Updated__c FROM Account WHERE Id = :acct.Id][0]; System.assert(true, acctAfter.Integration_Updated__c);
}
The test method calls a web service that updates an external system with Account information and sets the Account's Integration_Updated__c checkbox to True when it completes. The test fails to execute and exits with an error: "Methods defined as TestMethod do not support Web service callouts." What is the optimal way to fix this?

A. Add Test.startTest() before and Test.stopTest() after CalloutUtil.sendAccountUpdate.
B. Add Test.startTest() before and Test.setMock and Test.stopTest() after CalloutUtil.sendAccountUpdate.
C. Add if (!Test.isRunningTest()) around CalloutUtil.sendAccountUpdate.
D. Add Test.startTest() and Test.setMock before and Test.stopTest() after CalloutUtil.sendAccountUpdate.

問題 #4
What are three reasons that a developer should write Jest tests for Lightning web components?

A. To verify the DOM output of a component
B. To test how multiple components work together
C. To test a component's non-public properties
D. To test basic user interaction
E. To verify that events fire when expected

問題 #5
Which method should be used to convert a Date to a String in the current user's locale?

A. String.valueOf
B. Date.parse
C. Date.format
D. String.format

問題與答案：