Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 71:

  A developer is implementing an Apex class for a financial system. Within the class, the variables `creditAmount' and `debitAmount' should not be able to change once a value is assigned. In which two ways can the developer declare the variables to ensure their value can only be assigned one time? (Choose two.)

  A. Use the static keyword and assign its value in a static initializer.

  B. Use the final keyword and assign its value when declaring the variable.

  C. Use the final keyword and assign its value in the class constructor.

  D. Use the static keyword and assign its value in the class constructor.

  Correct Answer: BC

• Question 72:

  When importing and exporting data into Salesforce, which two statements are true? (Choose two.)

  A. Bulk API can be used to Import large data volumes in development environments without bypassing the storage limits.

  B. Developer and Developer Pro sandboxes have different storage limits.

  C. Bulk API can be used to bypass the storage limits when importing large data volumes in development environments.

  D. Data import wizard is a client application provided by Salesforce.

  Correct Answer: BD

• Question 73:

  What is an example of a polymorphic lookup field in Salesforce?

  A. The WhatId field on the standard Event object

  B. The ParentId field on the standard Account object

  C. A custom field, Link__c, on the standard Contact object that looks up to an Account or a Campaign

  D. The LeadId and ContactId fields on the standard Campaign Member object

  Correct Answer: D

• Question 74:

  What are three characteristics of change set deployments? (Choose three.)

  A. They require a deployment connection.

  B. They can be used to transfer records.

  C. They can be used only between related organizations.

  D. They can be used to deploy custom settings data.

  E. They use an all or none deployment model.

  Correct Answer: ACE

• Question 75:

  A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.

  Which three statements are useful inside the unit test to effectively test the custom controller? (Choose three.)

  A. Insert pageRef;

  B. String nextPage = controller.save().getUrl();

  C. ApexPages.currentPage().getParameters().put(`Input', `TestValue');

  D. public ExtendedController(ApexPages.StandardController cntrl) { }

  E. Test.setCurrentPage(pageRef);

  Correct Answer: BCE

• Question 76:

  Which two statements are valid regarding Apex classes and interfaces? (Choose two.)

  A. Classes are final by default.

  B. Interface methods are public by default.

  C. Inner classes are private by default.

  D. A class can only have one inner class level.

  Correct Answer: BD

• Question 77:

  What is a benefit of developing applications in a multi-tenant environment?

  A. Access to predefined computing resources

  B. Enforced best practices for development

  C. Unlimited processing power and memory

  D. Default out-of-the-box configuration

  Correct Answer: B

• Question 78:

  Which two statements are true about Getter and Setter methods? (Choose two.)

  A. Setter methods always have to be declared global.

  B. Setter methods are required to pass a value from a page to a controller.

  C. There is no guarantee for the order in which Getter or Setter methods are executed.

  D. Getter methods can pass a value from a controller to a page.

  Correct Answer: BC

• Question 79:

  Which exception type cannot be caught?

  A. LimitException

  B. NoAccessException

  C. A Custom Exception

  D. CalloutException

  Correct Answer: A

• Question 80:

  Universal Containers stores the availability date on each Line Item of an Order and Orders are only shipped when all of the Line Items are available.

  Which method should be used to calculate the estimated ship date for an Order?

  A. Use a LATEST formula on each of the latest availability date fields.

  B. Use a CEILING formula on each of the latest availability date fields.

  C. Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.

  D. Use a MAX Roll-Up Summary field on the latest availability date fields.

  Correct Answer: D