Salesforce Salesforce Certifications DEX-450 Questions & Answers

• Question 291:

  What is an accurate constructor for a custom controller named "MyController"?

  A. public MyController () { account = new Account () ; }

  B. public MyController (sObject obj) { account = (Account) obj; }

  C. public MyController (List objects) { accounts = (List ) objects; }

  D. public MyController (ApexPages.StandardController stdController) { account = (Account) stdController.getRecord(); }

  Correct Answer: A

• Question 292:

  A company has a custom object named Region. Each account in salesforce can only be related to one region at a time, but this relationship is optional. Which type of relantionship should a developer use to relate an account to a region?

  A. Parent-child

  B. Master-detail

  C. Hierarchical

  D. Lookup

  Correct Answer: B

• Question 293:

  A reviewer is required to enter a reason in the comments field only when a candidate is recommended to be hired. Which action can a developer take to enforce this requirement?

  A. Create a required Visualforce component.

  B. Create a formula field.

  C. Create a required comments field.

  D. Create a validation rule.

  Correct Answer: D

• Question 294:

  Which Apex collection is used to ensure that all values are unique?

  A. A Set

  B. An Enum

  C. A List

  D. An sObject

  Correct Answer: A

• Question 295:

  When loading data into an operation, what can a developer do to match records to update existing records? (Choose 2)

  A. Match an auto-generated Number field to a column in the imported file.

  B. Match an external Id Text field to a column in the imported file.

  C. Match the Name field to a column in the imported file.

  D. Match the Id field to a column in the imported file.

  Correct Answer: BD

• Question 296:

  An Approval Process is defined in the Expense_Item__c. A business rule dictates that whenever a user changes the Status to 'Submitted' on an Expense_Report__c record, all the Expense_Item__c records related to the expense report must enter the approval process individually. Which approach should be used to ensure the business requirement is met?

  A. Create a Process Builder on Expense_Report__c with a 'Submit for Approval' action type to submit all related Expense_Item__c records when the criteria is met.

  B. Create two Process Builder, one on Expense_Report__c to mark the related Expense_Item__c as submittable and the second on Expense_Item__c to submit the records for approval.

  C. Create a Process Builder on Expense_Report__c to mark the related Expense_Item__c as submittable and trigger on Expense_item__c to submit the records for approval.

  D. Create a Process Builder on Expense_Report__c with an 'Apex' action type to submit all related Expense_Item__c records when the criteria is met.

  Correct Answer: B

• Question 297:

  A developer wants to display all of the available record types for a Case object. The developer also wants to display the picklist values for the Case.Status field. The Case object and the Case Status field are on a custom visualforce page.

  Which action can the developer perform to get the record types and picklist values in the controller? Choose 2 answers

  A. Use Schema.PicklistEntry returned by Case Status getDescribe().getPicklistValues().

  B. Use Schema.RecordTypeinfo returned by Case.SObjectType getDescribe().getRecordTypelnfos()

  C. Use SOQL to query Case records in the org to get all the RecordType values available for Case.

  D. Use SOQL to query Case records in the org to get all value for the Status picklist field.

  Correct Answer: AB

• Question 298:

  Which scenario is invalid for execution by unit tests?

  A. Executing methods for negative test scenarios

  B. Loading the standard Pricebook ID using a system method

  C. Loading test data in place of user input for Flows.

  D. Executing methods as different users.

  Correct Answer: C

• Question 299:

  A developer needs to have records with specific field values in order to test a new Apex class. What should the developer do to ensure the data is available to the test?

  A. Use Test.loadData() and reference a CSV file.

  B. Use SOQL to query the org for the required data.

  C. Use Test.loadData() and reference a static resource.

  D. Use Anonymous Apex to create the required data.

  Correct Answer: C

• Question 300:

  Given the code below, which three statements can be used to create the controller variable?

  Public class accountlistcontroller{ public listgetaccounts(){ return controller.getrecords(); } } Choose 3 answers

  A. Apexpages.standardsetcontroller controller=new apexpages.standardsetcontroller(database.getquerylocator('select id from account'));

  B. Apexpages.standardcontroller controller= new apexpages.standardcontroller([select id from account]);

  C. Apexpages.standardcontroller controller= new apexpages.standardcontroller(database.getquerylocator('select id from account'));

  D. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.query ('select id from account'));

  E. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.getquerylocator([select id from account]));

  Correct Answer: BDE