Salesforce DEX-450 Online Practice Questions and Exam Preparation

Salesforce DEX-450 Online Questions & Answers

• Question 291:

  Given the code below, what can be done so that recordcount can be accessed by a test class, but not by a non-test class? Public class mycontroller{ private integer recordcount; }

  A. Add a seealldata annotation to the test class
  B. Add the testvisible annotation to recordcount
  C. Change recordcount from private to public
  D. Add the testvisible annotation to the mycontroller class
  B. Add the testvisible annotation to recordcount

• Question 292:

  A developer needs to join data received from an integration with an external system with parent records in Salesforce. The data set does not contain the Salesforce IDs of the parent records, but it does have a foreign key attribute that can be used to identify the parent.

  Which action will allow the developer to relate records in the data model without knowing the Salesforce ID?

  A. Create and populate a custom field on the parent object marked as Unique.
  B. Create a custom field on the child object of type External Relationship.
  C. Create and populate a custom field on the parent object marked as an External ID.
  D. Create a custom field on the child object of type Foreign Key.
  D. Create a custom field on the child object of type Foreign Key.

• Question 293:

  What is a valid Apex statement?

  A. Map conMap = (SELECT Name FROM Contact);
  B. Account[] acctList = new List{new Account()}
  C. Integer w, x, y = 123, z = 'abc',
  D. Private static constant Double rate = 775;
  B. Account[] acctList = new List{new Account()}

• Question 294:

  Universal Containers stores Orders and Line Items in Salesforce. For security reason, financial representatives are allowed to see information on the Order such as order amount, but they are not allowed to see the Line items on the Order. Which type of relationship should be used?

  A. Lookup
  B. Direct Lookup
  C. Indirect lookup
  D. Master Detail
  D. Master Detail

• Question 295:

  A developer needs to confirm that an Account trigger is working correctly without changing the organization's data. What would the developer do to test the Account trigger?

  A. Use the Test menu on the developer Console to run all test classes for the account trigger.
  B. Use the New button on the Salesforce Accounts Tab to create a new Account record.
  C. Use the Open Execute Anonymous feature on the Developer Console to run an `insert Account' DML statement.
  D. Use Deply from the Force.com IDE to deploy an `insert Account' Apex class.
  A. Use the Test menu on the developer Console to run all test classes for the account trigger.

• Question 296:

  A developer has the following code block:

  public class PaymentTax {public static decimal SalesTax = 0.0875;} trigger OpportunityLineItemTrigger on OpportunityLineItem (before insert, before update) {PaymentTax PayTax = new PaymentTax();decimal ProductTax = ProductCost * XXXXXXXXXXX;}

  To calculate the productTax, which code segment would a developer insert at the XXXXXXXXXXX to make the value the class variable SalesTax accessible within the trigger?

  A. SalesTax
  B. PayTax.SalesTax
  C. PaymentTax.SalesTax
  D. OpportunityLineItemTngger.SalesTax
  C. PaymentTax.SalesTax

• Question 297:

  Universal Container(UC) wants to lower its shipping cost while making the shipping process more efficient. The Distribution Officer advises UC to implement global addresses to allow multiple Accounts to share a default pickup address. The Developer is tasked to create the supporting object and relationship for this business requirement and uses the Setup Menu to create a custom object called "Global Address". Which field should the developer ad to create the most efficient model that supports the business need?

  A. Add a Master-Detail field on the Account object to the Global Address object
  B. Add a Master-Detail field on the Global Address object to the Account object.
  C. Add a Lookup field on the Account object to the Global Address object.
  D. Add a Lookup field on the Global Address object to the Account object
  C. Add a Lookup field on the Account object to the Global Address object.

• Question 298:

  How many accounts will be inserted by the following block ofcode? for(Integer i = 0 ; i < 500; i++) { Account a = new Account(Name='New Account ' + i); insert a; }

  A. 150
  C. 500
  D. 100
  B

• Question 299:

  A developer executes the following code in the Developer Console:

  List fList = new List ();For(integer i= 1; I <= 200; i++){fList.add(new Account ( Name = `Universal Account ` + i));}Insert fList;List sList = new List();For (integer I = 201; I <=

  20000; i ++){sList.add(new Account (Name = `Universal Account ` + i));}Insert sList;

  How many accounts are created in the Salesforce organization ?

  A. 20000
  C. 200
  D. 1000
  B

• Question 300:

  Where are two locations a developer can look to find information about the status of asynchronous or future cals? Choose 2 answers

  A. Apex Flex Queue (Missed)
  B. Apex Jobs (Missed)
  C. Paused Flow Interviews component
  D. Time-Based Workflow Monitor
  A. Apex Flex Queue (Missed)
  B. Apex Jobs (Missed)