Salesforce DEX-450 Online Practice Questions and Exam Preparation

Salesforce DEX-450 Online Questions & Answers

• Question 341:

  A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console:Account myAccount = new Account(Name = 'MyAccount');Insert myAccount;For (Integer x = 0; x < 150; x++)

  {Account newAccount = new Account (Name='MyAccount' + x);try {Insert newAccount;} catch (Exception ex) {System.debug (ex) ;}}insert new Account (Name='myAccount');

  How many accounts are in the org after this code is run?

  A. 101
  B. 100
  C. 102
  D. 252
  B. 100

• Question 342:

  A developer wants to display all of the picklist entries for the Opportunity StageName field and all of the available record types for the Opportunity object on a Visualforce page. Which two actions should the developer perform to get the available picklist values and record types in the controller? Choose 2 answers.

  A. Use Schema.RecordTypeInfo returned by RecordType.SObjectType.getDescribe().getRecordTypeInfos().
  B. Use Schema.PicklistEntry returned by Opportunity.SObjectType.getDescribe().getPicklistValues().
  C. Use Schema.PicklistEntry returned by Opportunity.StageName.getDescribe().getPicklistValues().
  D. Use Schema.RecordTypeInfo returned by Opportunity.SObjectType.getDescribe().getRecordTypeInfos().
  B. Use Schema.PicklistEntry returned by Opportunity.SObjectType.getDescribe().getPicklistValues().
  D. Use Schema.RecordTypeInfo returned by Opportunity.SObjectType.getDescribe().getRecordTypeInfos().

• Question 343:

  Which action can a developer perform in a before update trigger? (Choose 2)

  A. Display a custom error message in the application interface.
  B. Change field values using the Trigger.new context variable.
  C. Delete the original object using a delete DML operation.
  D. Update the original object using an update DML operation.
  A. Display a custom error message in the application interface.
  B. Change field values using the Trigger.new context variable.

• Question 344:

  Application Events follow the traditional publish-subscribe model. Which method is used to fire an event?

  A. Fire()
  B. Emit()
  C. RegisterEvent()
  D. FireEvent()
  A. Fire()

• Question 345:

  A Licensed_Professional__c custom object exist in the system with two Master-Detail fields for the following objects: Certification__c and Contact. Users with the "Certification Representative" role can access the Certification records they own and view the related Licensed Professionals records, however users with the "Salesforce representative" role report they cannot view any Licensed professional records even though they own the associated Contact record. What are two likely causes of users in the "Sales Representative" role not being able to access the Licensed Professional records? Choose 2 answers

  A. The organization's sharing rules for Licensed_Professional__c have not finished their recalculation process. (Missed)
  B. The organization recently modified the Sales representative role to restrict Read/Write access to Licensed_Professional__c
  C. The organization has a private sharing model for Certification__c, and Contact is the primary relationship in the Licensed_Professional__c object
  D. The organization has a private sharing model for Certification__c, and Certification__c is the primary relationship in the Licensed_Professional__c object. (Missed)
  B. The organization recently modified the Sales representative role to restrict Read/Write access to Licensed_Professional__c
  D. The organization has a private sharing model for Certification__c, and Certification__c is the primary relationship in the Licensed_Professional__c object. (Missed)

• Question 346:

  What can a developer use to determine if the core Apex code exceeds any governor limits in a test class during bulk execution?

  A. Limits, startTest, stopTest
  B. Test.getDmlStatements()
  C. @TestSetup.
  D. @TestVisible
  A. Limits, startTest, stopTest

• Question 347:

  A developer needs to create an audit trail for records that are sent to the recycle bin. Which type of trigger is most appropriate to create?

  A. Before delete
  B. After undelete
  C. After delete
  D. Before undelete
  B. After undelete

• Question 348:

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

• Question 349:

  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?

  A. The field is being populated by a workflow field update
  B. A DML exception is occuring during the save order of execution
  C. The field is being populated by a before trigger
  D. The user belongs to a permission set that suppresses the validation rule
  A. The field is being populated by a workflow field update

• Question 350:

  A platform developer needs to write an apex method that will only perform an action if a record is assigned to a specific record type. Which two options allow the developer to dynamically determine the ID of the required record type by its name? Choose 2 answers

  A. Use the getrecordtypeinfosbydevelopername() method in the describesobjectresult class
  B. Make an outbound web services call to the SOAP API
  C. Execute a SOQL query on the recordtype object
  D. Hardcore the ID as a constant in an apex class
  A. Use the getrecordtypeinfosbydevelopername() method in the describesobjectresult class
  C. Execute a SOQL query on the recordtype object