Salesforce Salesforce Certifications PDI Questions & Answers

• Question 221:

  A developer identifies the following triggers on the Expense_c object:

  1.

  DeleteExpense,

  2.

  applyDefaultstoexpense

  3.

  validateexpenseupdate;

  The triggers process before delete, before insert, and before update events respectively. Which two techniques should the developer implement to ensure trigger best practice are followed?

  A. Unify the before insert and before update triggers and use Process Builder for the delete action.

  B. Maintain all three triggers on the Expense_c object, but move the Apex logic out for the trigger definition.

  C. Create helper classes to execute the appropriate logic when a record is saved.

  D. Unify all three triggers in a single trigger on the Expense_c object that includes all events.

  Correct Answer: CD

• Question 222:

  A developer has a VF page and custom controller to save Account records. The developer wants to display any validation rule violation to the user. How can the developer make sure that validation rule violations are displayed?

  A. Add custom controller attributes to display the message.

  B. Include on the Visualforce page.

  C. Use a try/catch with a custom exception class.

  D. Perform the DML using the Database.upsert() method

  Correct Answer: B

  https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_compref_message.htm

• Question 223:

  What will be the output in the debug log in the event of a QueryExeption during a call to the @query method in the following Example?

  

  A. Querying Accounts. Query Exception.

  B. Querying Accounts. Custom Exception.

  C. Querying Accounts. Query Exception. Done

  D. Querying Accounts. Custom Exception Done.

  Correct Answer: C

• Question 224:

  Which salesforce org has a complete duplicate copy of the production org including data and configuration?

  A. Developer Pro Sandbox

  B. Partial Copy Sandbox

  C. Production

  D. Full Sandbox

  Correct Answer: D

• Question 225:

  Which three statements are true regarding custom exceptions in Apex? (Choose three.)

  A. A custom exception class must extend the system Exception class.

  B. A custom exception class can implement one or many interfaces.

  C. A custom exception class cannot contain member variables or methods.

  D. A custom exception class name must end with "Exception".

  E. A custom exception class can extend other classes besides the Exception class.

  Correct Answer: BDE

• Question 226:

  Given the following Apex statement:

  Account myAccount = [SELECT Id, Name FROM Account];

  What occurs when more than one Account is returned by the SOQL query?

  A. The variable, myAccount, is automatically cast to the List data type.

  B. The first Account returned is assigned to myAccount.

  C. The query fails and an error is written to the debug log.

  D. An unhandled exception is thrown and the code terminates.

  Correct Answer: D

• Question 227:

  An Apex method, getAccounts, that returns a List of Accounts given a search Term, is available for Lighting Web components to use. What is the correct definition of a Lighting Web component property that uses the getAccounts method?

  A. @AuraEnabled(getAccounts, `$searchTerm') accountList;

  B. @wire(getAccounts, `$searchTerm') accountList;

  C. @AuraEnabled(getAccounts, {searchTerm: `$searchTerm'}) accountList;

  D. @wire(getAccounts, {searchTerm: `$searchTerm'}) accountList;

  Correct Answer: D

  https://developer.salesforce.com/docs/component-library/documentation/en/48.0/lwc/lwc.data_wire_service_about

• Question 228:

  Given the following trigger implementation:

  trigger leadTrigger on Lead (before update){

  final ID BUSINESS_RECORDTYPEID = '012500000009Qad';

  for(Lead thisLead : Trigger.new){

  if(thisLead.Company != null andand thisLead.RecordTypeId != BUSINESS_RECORDTYPEID){

  thisLead.RecordTypeId = BUSINESS_RECORDTYPEID;

  }

  }

  }

  The developer receives deployment errors every time a deployment is attempted from Sandbox to Production.

  What should the developer do to ensure a successful deployment?

  A. Ensure BUSINESS_RECORDTYPEID is retrieved using Schema.Describe calls.

  B. Ensure a record type with an ID of BUSINESS_RECORDTYPEID exists on Production prior to deployment.

  C. Ensure BUSINESS_RECORDTYPEID is pushed as part of the deployment components.

  D. Ensure the deployment is validated by a System Admin user on Production.

  Correct Answer: B

• Question 229:

  What does the Lightning Component framework provide to developers?

  A. Extended governor limits for applications

  B. Prebuilt component that can be reused.

  C. Templates to create custom components.

  D. Support for Classic and Lightning UIS.

  Correct Answer: B

• Question 230:

  Universal Containers decides to use exclusively declarative development to build out a new Salesforce application. Which three options should be used to build out the database layer for the application? Choose 3 answers

  A. Roll-Up Summaries

  B. Triggers

  C. Relationships

  D. Process Builder

  E. Custom Objects and Fields

  Correct Answer: ACD