A developer created a JavaScript library that simplifies the development of repetitive tasks and features and uploaded the library as a static resource called jsUtils in Salesforce. Another developer is coding a new Lightning web component (LWC) and wants to leverage the library. Which statement properly loads the static resource within the LWC?

• A. const jsUtility = $A.get('$Resource.jsUtils');
• B. <lightning=require scripts="{$Resource.jsUtils}"/>
• C. import {jsUtilities} from '@salesforce/resourceUrl/jsUtils';
• D. import jsUtilities from '@salesforce/resourceUrl/jsUtils';

설명: (Fast2test 회원만 볼 수 있음)

As part of a custom interface, a developer team creates various new Lightning web components. Each of the components handles errors using toast messages. During acceptance testing, users complain about the long chain of toast messages that display when errors occur loading the components. Which two techniques should the developer implement to improve the user experience?

• A. Use a Lightning web component to aggregate and display all errors.
• B. Use a <template> tag to display in-place error messages.24
• C. Use public properties on each component to display the error messages.25
• D. Use the window.alert() method to display the error messages.23

설명: (Fast2test 회원만 볼 수 있음)

Consider the following code snippet:78
Java
trigger OpportunityTrigger on Opportunity (before insert, before update) { for(Opportunity opp : Trigger.new){ OpportunityHandler.setPricingStructure(Opp);
}
}
public class OpportunityHandler{
public static void setPricingStructure(Opportunity thisOpp){
Pricing_Structure_c ps = [Select Type_c FROM Pricing_Structure_c WHERE industry_c = :thisOpp.
Account_Industry_c];
thisOpp.Pricing_Structure_c = ps.Type_c;
update thisOpp;
}
}
Which two best practices should the developer implement to optimize this code?

• A. Query the Pricing_Structure_c records outside of the loop.
• B. Use a collection for the DML statement.
• C. Change the trigger context to after update, after insert.
• D. Remove the DML statement.

설명: (Fast2test 회원만 볼 수 있음)

The use of the transient keyword in Visualforce page helps with which performance issue?

• A. Reduces view state
• B. Improves query performance
• C. Improves page transfers
• D. Reduces load times

설명: (Fast2test 회원만 볼 수 있음)

The Account object has a field, Audit_Code__c, that is used to specify what type of auditing the Account needs and a Lookup to User, Auditor__c, that is the assigned auditor. When an Account is initially created, the user specifies the Audit_Code__c. Each User in the org has a unique text field, Audit_Code__c, that is used to automatically assign the correct user to the Account's Auditor__c field.
Trigger:
Java
trigger AccountTrigger on Account (before insert) {
AuditAssigner.setAuditor(Trigger.new);
}
Apex Class:
Java
public class AuditAssigner {
public static void setAuditor(List<Account> accounts) {
for (User u : [SELECT Id, Audit_Code__c FROM User]) {
for (Account a : accounts) {
if (u.Audit_Code__c == a.Audit_Code__c) {
a.Auditor__c = u.Id;
}
}
}
}
}
What should be changed to most optimize the code's efficiency?

• A. Add a WHERE clause to the SOQL query to filter on audit codes.
• B. Build a Map<Id, List<String>> of Account Id to audit codes.
• C. Add an initial SOQL query to get all distinct audit codes.
• D. Build a Map<String, List<Account>> of audit code to accounts.

설명: (Fast2test 회원만 볼 수 있음)