DEX-450題庫介紹

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DEX-450 PDF DEMO:

QUESTION NO: 1
A developer must implement a CheckPaymentProcessor class that provides check processing payment capabilities that adhere to what defined for payments in the PaymentProcessor interface.
public interface PaymentProcessor { void pay(Decimal amount); } Which is the correct implementation to use the PaymentProcessor interface class?
A. Public class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount) {}
}
B. Public class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount);
}
C. Public class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount);
}
D. Public class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount) {}
}
Answer: A

QUESTION NO: 2
A developer created a visualforce page using a custom controller that calls an apex helper class. A method in the helper class hits a governor limit. what is the result of the transaction?
A. All changes in the transaction are rolled back
B. The custom controller calls the helper class method ag
C. The helper class creates a savepoint and continues
D. All changes made by the custom controller are saved
Answer: D

QUESTION NO: 3
What is the easiest way to verify a user before showing them sensitive content?
A. Sending the user a SMS message with a passcode.
B. Calling the Session.forcedLoginUrl method in apex.
C. Calling the generateVerificationUrl method in apex.
D. Sending the user an Email message with a passcode.
Answer: C

QUESTION NO: 4
A Visualforce page uses the Contact standard controller. How can a developer display the
Name from the parent Account record on the page?
A. Use SOQL syntax to find the related Accounts Name field.
B. Use additional Apex logic within the controller to query for the Name field.
C. Use the (!contact.Account.Name) merge field syntax.
D. Use an additional standard controller for Accounts.
Answer: C

QUESTION NO: 5
A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of tests allowing them to test independent requirements various types of Salesforce
Cases. Which approach can efficiently generate the required data for each unit test?
A. Add @IsTest(seeAllData=true) at the start of the unit test class
B. Use @TestSetup with a void method
C. Create test data before test.startTest() in the test unit.
D. Create a mock using Stub API
Answer: B

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Updated: May 28, 2022

DEX-450題庫 & DEX-450學習指南 - DEX-450題庫資料

PDF電子檔

考試編碼:DEX-450
考試名稱:Programmatic Development using Apex and Visualforce in Lightning Experience
更新時間:2025-06-10
問題數量:202題
Salesforce DEX-450 新版題庫上線

  下載免費試用


 

軟體引擎

考試編碼:DEX-450
考試名稱:Programmatic Development using Apex and Visualforce in Lightning Experience
更新時間:2025-06-10
問題數量:202題
Salesforce DEX-450 熱門認證

  下載免費試用


 

在線測試引擎

考試編碼:DEX-450
考試名稱:Programmatic Development using Apex and Visualforce in Lightning Experience
更新時間:2025-06-10
問題數量:202題
Salesforce 最新 DEX-450 題庫

  下載免費試用


 

DEX-450 熱門考題

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