Salesforce Salesforce Certifications DEX-450 Questions & Answers

• Question 121:

  A Next Best Action strategy uses an Enchance Element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors. What is the correct definition of the Apex method?

  A. @InvocableMethod global static ListRecommendation getLevel(List input) { /*implementation*/ }

  B. @InvocableMethod global static List> getLevel(List input) { /*implementation*/ }

  C. @InvocableMethod global List> getLevel(List input) { /*implementation*/ }

  D. @InvocableMethod global Recommendation getLevel (ContactWrapper input) { /*implementation*/ }

  Correct Answer: B

• Question 122:

  Which requirement needs to be implemented by using standard workflow instead of Process Builder? Choose 2 answers

  A. Create activities at multiple intervals.

  B. Send an outbound message without Apex code.

  C. Copy an account address to its contacts.

  D. Submit a contract for approval.

  Correct Answer: BC

• Question 123:

  A team of developers is working on a source-driven project that allows them to work independently, with many different org configurations. Which type of Salesforce orgs should they use for their development?

  A. Developer sandboxes

  B. Scratch orgs

  C. Full Copy sandboxes

  D. Developer orgs

  Correct Answer: B

• Question 124:

  Which data type or collection of data types can SOQL statements populate or evaluate to? (Choose 3)

  A. A single sObject

  B. An integer

  C. A string

  D. A list of sObjects

  E. A Boolean

  Correct Answer: ABD

• Question 125:

  Which code segment can be used to control when the dowork() method is called?

  A. For (Trigger.isRunning t: Trigger.new) { dowork(); }

  B. If(Trigger.isRunning) dowork();

  C. For (Trigger.isInsert t: Trigger.new) { dowork(); }

  D. If(Trigger.isInsert) dowork();

  Correct Answer: D

• Question 126:

  A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List getOpportunityProducts(Set opportunityIds){ List oppLineItems = new List(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll ([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

  A. Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.

  B. Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.

  C. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.

  D. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.

  Correct Answer: A

• Question 127:

  A developer creates a custom controller and a custom Visualforce page by using the code block below:

  public class MyController {

  public String myString {

  get {

  if (myString == null) { myString = 'a';

  }

  return myString;

  } private set; } public string getMyString (){

  return 'getMyString';

  } public string getStringMethod () {

  if (myString == null) {

  myString = 'b';

  } return myString;

  }

  } {!StringMethod}, {!myString}, {!myString}

  What can the user expect to see when accessing the custom page?

  A. A, a, a

  B. B, b, b

  C. A, b, getMyString

  D. B, a, getMyString

  Correct Answer: A

• Question 128:

  How many levels of child records can be returned in a single SOQL query from one parent object?

  A. 1

  B. 3

  C. 5

  D. 7

  Correct Answer: A

• Question 129:

  The sales team at universal container would like to see a visual indicator appear on both account and opportunity page layout to alert salespeople when an account is late making payments or has entered the collections process. What can a developer implement to achieve this requirement without having to write custom code?

  A. Workflow rule

  B. Formula field

  C. Roll-up summary field

  D. Quick action

  Correct Answer: B

• Question 130:

  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

  B. 0

  C. 500

  D. 100

  Correct Answer: B