Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 241:

  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

  Correct Answer: A

• Question 242:

  What is the result of the debug statements in testMethod3 when you create test data using testSetup in below code?

  

  A. Account0.Phone=333-8781, Account1.Phone=333-8780

  B. Account0.Phone=888-1515, Account1.Phone=999-2525

  C. Account0.Phone=333-8780, Account1.Phone=333-8781

  D. Account0.Phone=888-1515, Account1.Phone=999-1515

  Correct Answer: C

• Question 243:

  Which two strategies should a developer use to avoid hitting governor limits when developing in a multi-tenant environment? (Choose two.)

  A. Use collections to store all fields from a related object and not just minimally required fields.

  B. Use methods from the "Limits" class to monitor governor limits.

  C. Use SOQL for loops to iterate data retrieved from queries that return a high number of rows.

  D. Use variables within Apex classes to store large amounts of data.

  Correct Answer: BC

• Question 244:

  The operation manager at a construction company uses a custom object called Machinery to manage the usage and maintenance of its cranes and other machinery. The manager wants to be able to assign machinery to different constructions jobs, and track the dates and costs associated with each job. More than one piece of machinery can be assigned to one construction job. What should a developer do to meet these requirements?

  A. Create a lookup field on the Construction Job object to the Machinery object.

  B. Create a lookup field on the Machinery object to the Construction Job object.

  C. Create a junction object with Master-Detail Relationship to both the Machinery object and the Construction Job object.

  D. Create a Master-Detail Lookup on the Machinery object to the Construction Job object.

  Correct Answer: A

• Question 245:

  What is a benefit of using an after insert trigger over using a before insert trigger?

  A. An after insert trigger allows a developer to bypass validation rules when updating fields on the new record.

  B. An after insert trigger allows a developer to insert other objects that reference the new record.

  C. An after insert trigger allows a developer to make a callout to an external service.

  D. An after insert trigger allows a developer to modify fields in the new record without a query.

  Correct Answer: B

• Question 246:

  Which tool allows a developer to send requests to the Salesforce REST APIs and view the responses?

  A. REST resource path URL

  B. Workbench REST Explorer

  C. Developer Console REST tab

  D. Force.com IDE REST Explorer tab

  Correct Answer: B

• Question 247:

  A developer created a Visualforce page and a custom controller with methods to handle different buttons and events that can occur on the page. What should the developer do to deploy to production?

  A. Create a test class that provides coverage of the Visualforce page.

  B. Create a test page that provides coverage of the Visualforce page.

  C. Create a test page that provides coverage of the custom controller.

  D. Create a test class that provides coverage of the custom controller.

  Correct Answer: D

• Question 248:

  A developer is asked to create a PDF quote document formatted using the company's branding guidelines, and automatically save it to the Opportunity record. Which two ways should a developer create this functionality? (Choose two.)

  A. Install an application from the AppExchange to generate documents.

  B. Create a Visualforce page with custom styling.

  C. Create an email template and use it in Process Builder.

  D. Create a visual flow that implements the company's formatting.

  Correct Answer: AB

• Question 249:

  Which approach should a developer use to add pagination to a Visualforce page?

  A. A StandardController

  B. The Action attribute for a page

  C. The extensions attribute for a page

  D. A StandardSetController

  Correct Answer: D

• Question 250:

  A developer created a Lightning component to display a short text summary for an object and wants to use it with multiple Apex classes. How should the developer design the Apex classes?

  A. Have each class define method getObject() that returns the sObject that is controlled by the Apex class.

  B. Extend each class from the same base class that has a method getTextSummary() that returns the summary.

  C. Have each class implement an interface that defines method getTextSummary() that returns the summary.

  D. Have each class define method getTextSummary() that returns the summary.

  Correct Answer: C