Which code snippet processes records in the most memory efficient manner, avoiding governor limits such as
"Apex heap size too large"?

• A.Java
  Map<Id, Opportunity> opportunities = new Map<Id, Opportunity>([SELECT Id, Amount from Opportunity]); for(Id oppId: opportunities.keySet()){
  // perform operation here
  }
• B.Java
  for(Opportunity opp: [SELECT Id, Amount from Opportunity]){
  // perform operation here
  }
• C.Java
  List<Opportunity> opportunities = Database.query('SELECT Id, Amount from Opportunity'); for(Opportunity opp: opportunities){
  // perform operation here
  }
• D.Java
  List<Opportunity> opportunities = [SELECT Id, Amount from Opportunity]; for(Opportunity opp: opportunities){
  // perform operation here
  }

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A company uses Salesforce to sell products to customers. They also have an external product information management (PIM) system that is the system of record for products.
A developer received these requirements:
* Whenever a product is created or updated in the PIM, a product must be created or updated as a Product2 record in Salesforce and a PricebookEntry record must be created or updated automatically by Salesforce.
* The PricebookEntry should be created In a Pricebook2 that is specified In a custom setting.
What should the developer use to satisfy these requirements?

• A.Invocable Action
• B.SObJect Tree
• C.Apex REST
• D.Event Monitoring

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An Apex class does not achieve expected code coverage. The testsetup method explicitly calls a method In the Apex class..
How can the developer generate the code coverage?

• A.Add @testvisible to the method in the class the developer is testing.
• B.Call the Apex class method from a testsetup Instead of the testsetup methed.
• C.Verify the user has permissions passing a user into System,.runds().
• D.Use system.assert() in testSetup to verify the values are being returned.

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A developer created and tested a Visualforce page in their developer sandbox, but now receives reports that user encounter view state errors when using it in production.
What should the developer ensure to correct these errors?

• A.Ensure queries do net exceed governor limits,
• B.Ensure properties are marked as private,
• C.Ensure variables are marked as transient.
• D.Ensure profiles have access to the Visualforce page.

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An Apex trigger creates an order co record every time an Opportunity is won by a Sales Rep. Recently the trigger is creating two orders.
What is the optimal technique for 2 developer to troubleshoot this?

• A.Disable all flows, and then re-enable them one at at time to see which one causes the error.
• B.Run the Apex Test Classes for the Apex trigger to ensure the code still has sufficient code coverage.
• C.Set up debug logging for every Sales Rep, then monitor the logs for errors and exceptions,
• D.Add system.debug() statements to the code and use the Developer Console logs to trace the code.

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