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

• A.Turn off all Workflow Rules, then turn them on one at time to see which one causes the error.
• B.Set up debug logging for every Sales Rep, then monitor the logs for errors and exceptions.
• C.add system.debug() statements to the code and use the Developer Console logs to trace the code.
• D.Run the Apex Test Classes for the Apex trigger to ensure the code still has sufficient code coverage.

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Universal Containers uses Big Objects to store almost a billion customer transactions called Customer_Transaction__b.
These are the fields on Customer_Transaction__b:
Account__c -
Program__c -
Points_Earned__c -
Location__c -
Transaction_Date__c -
The following fields have been identified as Index Fields for the Customer_Transaction__b object:
Account__c, Program__c, and Transaction_Date__c.
Which SOQL query is valid on the Customer_Transaction__b Big Object?

• A.SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c ='Shoppers' AND Transaction_Date__c=2019-05-31T00:00Z
• B.SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c LIKE 'Shop%' AND Transaction_Date__c=2019-05-31T00:00Z
• C.SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c INCLUDES ('Shoppers', 'Womens') AND Transaction_Date__c=2019-05-31T00:00Z
• D.SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c EXCLUDES ('Shoppers', 'Womens') AND Transaction_Date__c=2019-05-31T00:00Z

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Users report that a button on a custom Lightning Web Component is not working. However, there are no other details provided. What should the developer use to ensure error messages are properly displayed?

• A.Add a Try/Catch block surrounding the DML statement.
• B.Add the <apex:messages/> tag to the component.
• C.Use the Database method with allOrNone set to false.
• D.Add JavaScript and HTML to display an error message.

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A developer is integrated with a legacy on-premises SQL database.
What should the developer use to ensure the data being integrated is matched to the right records in Salesforce?

• A.External Object
• B.External id field
• C.Formula field
• D.Lookup field

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A developer created a new trigger that inserts a Task when a new Lead is created. After deploying to production, an outside integration is periodically reporting errors.
Which change should the developer make to ensure the integration is not affected with minimal impact to business logic?

• A.Use the Database method with allOrNone set to False.
• B.Remove the Apex Class from the Integration User's Profile.
• C.Deactivate the Trigger before the Integration runs.
• D.Use a Try/Catch block after the insert statement.

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