Salesforce DEX-450 Online Practice Questions and Exam Preparation

Salesforce DEX-450 Online Questions & Answers

• Question 441:

  A developer wants to override a button using Visualforce on an object. What is the requirement?

  A. The controller or extension must have a PageReference method.
  B. The standardController attribute must be set to the object.
  C. The action attribute must be set to a controller method.
  D. The object record must be instantiated in a controller or extension.
  B. The standardController attribute must be set to the object.

• Question 442:

  What is a benefit of the lightning component framework?

  A. Better integration with Force.com sites
  B. Better performance for custom Salesforce1 Mobile Apps
  C. More Centralized control via server-side logic
  D. More pre-built components to replicate the salesforce look and feel
  D. More pre-built components to replicate the salesforce look and feel

• Question 443:

  Potential home buyers working with a real estate company can make offers on multiple properties that are listed with the real estate company. Offer amounts can be modified; however, the property that has the offer cannot be modified after the offer is placed. What should be done to associate offers with properties in the schema for the organization?

  A. Create a master-detail relationship in the contact object to both the property and offer custom objects
  B. Create a lookup relationship in the property custom object to the offer custom object
  C. Create a master-detail relationship in the offer custom object to the property custom object
  D. Create a lookup relationship in the offer custom object to the property custom object
  C. Create a master-detail relationship in the offer custom object to the property custom object

• Question 444:

  A change set deployment from a sandbox to production fails due to a failure in a managed package unit test. The developer spoke with the manager package owner and they determined it is a false positive and can be ignored. What should the developer do to successfully deploy?

  A. Select 'Run local tests' to run all tests in the org that are not in the managed package.
  B. Select 'Fast Deploy' to run only the tests that are in the change set.
  C. Edit the managed package's unit test.
  D. Select 'Run local tests' to run only the tests that are in the change set.
  A. Select 'Run local tests' to run all tests in the org that are not in the managed package.

• Question 445:

  When using SalesforceDX, what does a developer need to enable to create and manage scratch orgs?

  A. Production
  B. Dev Hub
  C. Environment Hub
  D. Sandbox
  B. Dev Hub

• Question 446:

  custom picklist field, Food_Preference__c, exist on a custom object. The picklist contains the following options: 'Vegan','Kosher','No Preference'. The developer must ensure a value is populated every time a record is created or updated. What is the most efficient way to ensure a value is selected every time a record is saved?

  A. Set "Use the first value in the list as the default value" as True.
  B. Set a validation rule to enforce a value is selected.
  C. Mark the field as Required on the field definition.
  D. Mark the field as Required on the object's page layout.
  C. Mark the field as Required on the field definition.

• Question 447:

  Which set of roll-up types are available when creating a roll-up summary field?

  A. COUNT, SUM, MIN, MAX
  B. AVERAGE, SUM, MIN, MAX
  C. SUM, MIN, MAX
  D. AVRAGE, COUNT, SUM, MIN, MAX
  A. COUNT, SUM, MIN, MAX

• Question 448:

  In an organization that has enabled multiple currencies, a developer needs to aggregate the sum of the Estimated_value__c currency field from the CampaignMember object using a roll-up summary field called Total_estimated_value__c on Campaign.

  A. The values in Campaignmember.Estimated_value__c are converted into the currency of the Campaign record and the sum is displayed using the currency on the Campaign record.
  B. The values in CampaignMember.Estimated_value__c are converted into the currency on the majority of the CampaignMember records and the sum is displayed using that currency.
  C. The values in CampaignMember.Estimated_value__c are summed up and the resulting Total_estimated_value__c field is displayed as a numeric field on the Campaign record.
  D. The values In CampaignMember.Estimated_value__c are converted into the currency of the current user, and the sum is displayed using the currency on the Campaign record.
  A. The values in Campaignmember.Estimated_value__c are converted into the currency of the Campaign record and the sum is displayed using the currency on the Campaign record.

• Question 449:

  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
  B. Scratch orgs

• Question 450:

  What is the proper process for an Apex Unit Test

  A. Query for test data using SeeAllData = true. Call the method being tested. Verify that the results are correct.
  B. Query for test data using SeeAllData = true. Execute runAllTests(). Verify that the results are correct.
  C. Create data for testing. Execute runAllTests(). Verify that the results are correct.
  D. Create data for testing. Call the method being tested. Verify that the results are correct.
  D. Create data for testing. Call the method being tested. Verify that the results are correct.