[2023] DEX-450 Actual Exam Dumps, DEX-450 Practice Test [Q47-Q66]

Q47. While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a standard PriceBook since one already exists in the org.
How should the Developer overcome this problem?

Q48. Developer needs to automatically populate the Reports To field in a Contact record based on the values of the related Account and Department fields in the Contact record. Which type of trigger would the developer create? Choose 2 answers

Q49. A developer is notified that a text field is being automatically populated with invalid values.however, this should be prevented by a custom validation rule that is in placewhat could be causing this?

Q50. What should a developer use to fix a Lightning web component bug in a sandbox?

Q51. Which two statements are true about Getter and Setter methods as they relate to Visualforce?

Q52. What is a valid way of loading external JavaScript files into a Visualforce page? (Choose 2)

Q53. Which type of code represents the Model in the MVC architecture on the Force.com platform?

Q54. A developer Is Integrating with a legacy on-premise SQL database.
What should the developer use to ensure the data being Integrated is matched to the right records in Salesforce?

Q55. A developer is creating a test coverage for a class and needs to insert records to validate functionality. Which method annotation should be used to create records for every method in the test class?

Q56. A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or updated. The field update in the workflow rule is configured to not re-evaluate workflow rules.
What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

Q57. Which standard field is required when creating a new contact record?

Q58. What is the value of x after the code segment executes?String x = ‘A’;Integer i = 10;if ( i < 15 ) {i = 15;x = ‘B’;} else if ( i < 20 ) {x = ‘C’;} else {x = ‘D’; }

Q59. A developer has the following code:try {List nameList;Account a;String s = a.Name;nameList.add(s);} catch (ListException le ) {System.debug(‘ List Exception ‘);} catch (NullPointerException npe) {System.debug(‘ NullPointer Exception ‘);} catch (Exception e) {System.debug(‘ Generic Exception ‘);} What message will be logged?

Q60. How should a developer prevent a recursive trigger?

Q61. A developer needs to import customer subscription records into salesforce and attach them to existing account records. Which 2 actions should the developer take to ensure the subscription records are related to the correct account records? Choose 2 answers

Q62. How can a developer get all of the available record types for the current user on the case object?

Q63. A developer can use the debug log to see which three types of information? Choose 3 answers

Q64. A platform developer at Universal Containers needs to create a custom button for the Account object that, when clicked, will perform a series of calculations and redirect the user to a custom Visualforce page.
Which three attributes need to be defined with values in the <apex:page> tag to accomplish this? (Choose three.)

Q65. A company wants to create an employee rating program that allows employees to rate each other. An employees average rating must be displayed on the employee record. Employees must be able to create rating records, but are not allowed to create employee records. Which two actions should a developer take to accomplish this task?

Q66. Which three data types can be returned from an SOQL statement?