Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 511:

  Where are two locations a developer can look to find information about the status of asynchronous or future cals? Choose 2 answers

  A. Apex Flex Queue

  B. Apex Jobs

  C. Paused Flow Interviews component

  D. Time-Based Workflow Monitor

  Correct Answer: AB

• Question 512:

  A custom picklist field, Food_Preference__c, exists 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.

  Correct Answer: C

• Question 513:

  Which two operations can be performed using a formula field? Choose 2 answers

  A. Displaying the last four digits of an encrypted Social Security number

  B. Triggering a Process Builder

  C. Displaying an Image based on the Opportunity Amount

  D. Calculating a score on a Lead based on the information from another field

  Correct Answer: CD

• Question 514:

  A developer must write an Apex method that will be called from a Lightning component. The method may delete an account stored in the accountRec variable. Which method should a developer use to ensure only users that should be able to delete Accounts can succesfully perform deletions?

  A. AccountRec.sObjectType.isDeleteable()

  B. Schema.sObjectType.Account.isDeletable()

  C. AccountRec.isdeletable()

  D. Account.isDelketable()

  Correct Answer: B

• Question 515:

  A developer has to Identify a method in an Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a DML statement to save the changes to the database. Which two techniques should the developer implement as a best practice to esure transaction control and avoid exceeding governor limits? Choose 2 answers

  A. Use the Database.Savepoint method to enforce database integrity.

  B. Use the System.Limit class to monitor the current CPU governor limit consuption.

  C. Use the @ReadOnly annotation to bypass the number of rows returned by a SOQL.

  D. Use Partial DML statements to ensure only valid data is committed.

  Correct Answer: AB

• Question 516:

  A developer must provide a custom user interface when users edit a Contact. Users must be able to use the interface in Salesforce Classic and Lightning Experience. What should the developer do to provide the custom user interface?

  A. Override the Contact's Edit button with a Lightning page Salesforce Classic and a Visualforce page in Lightning Experience.

  B. Override the Contact's Edit button with a Visualforce page in Salesforce Classic and a Lightning page in Lightning experience.

  C. Override the Contact's Edit button with a Visualforce page in Salesforce Classic and a Lightning component in Lightning Experience.

  D. Override the Contact's Edit button with a Lightning component in Salesforce Classic and a Lightning component in Lightning experience.

  Correct Answer: C

• Question 517:

  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

  Correct Answer: B

• Question 518:

  Given the following block code: try{ List retrievedRecords = [SELECT Id FROM Account WHERE Website = null]; }catch(Exception e){ //manage exception logic } What should a developer do to ensure the code execution is disrupted if the retrievedRecordslist remains empty after the SOQL query?

  A. Check the state of the retrieveRecords variable and throw a custom exception if the variable is empty.

  B. Check the state of the retrievedRecords variable and use System.assert(false) if the variable is empty

  C. Check the state of the retrievedRecords variable and access the first element of the list if the variable is empty.

  D. Replace the retrievedRecords variable declaration from a List of Account to a single Account.

  Correct Answer: B

• Question 519:

  A developer must implement a CheckPaymentProcessorclass that provides check processing payment capabilities that adhere to what is defined for payments in the PaymentProcessorinterface.

  public interface PaymentProcessor {

  void pay(Decimal amount);}

  Which is the correct implementation to use the PaymentProcessorinterface class?

  A. public class CheckPaymentProcessor implements PaymentProcessor { publicvoid pay(Decimal amount);

  B. public class CheckPaymentProcessor implements PaymentProcessor { publicvoid pay(Decimal amount){}

  C. public class CheckPaymentProcessor extends PaymentProcessor { publicvoid pay(Decimal amount){}

  D. public class CheckPaymentProcessor extends PaymentProcessor { publicvoid pay(Decimal amount);

  Correct Answer: B

• Question 520:

  The following Apex method is part of the ContactServiceclass that is called from a trigger:

  

  How should the developer modify the code to ensure best practices are met?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D