What are two use cases for executing Anonymous Apex code? Choose 2 answers

• A.To run a batch Apex class to update all Contacts
• B.To add unit test code coverage to an org
• C.To schedule an Apex class to run periodically
• D.To delete 15,000 inactive Accounts In a single transaction after a deployment

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Which three data types can a SOQL query return? Choose 3 answers

• A.Long
• B.List
• C.Integer
• D.sObject

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A developer needs to create a custom Interface in Apex.
Which three considerations must the developer keep in mind while developing the Apex Interface?
Choose 3 answers

• A.The Apex interface class access modifier can be set to Private, Public, or Global.
• B.The Apex class must be declared using the interface keyword.
• C.New methods can be added to a public interface within a released package.
• D.A method defined In an Apex Interface cannot have an access modifier.
• E.A method implementation can be defined within the Apex Interface.

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A developer needs to save a List of existing Account records named myAccounts to the database, but the records do not contain Salesforce Id values. Only the value of a custom text field configured as an External ID with an API name of Foreign_Key__c is known.
Which two statements enable the developer to save the records to the database without an Id? (Choose two.)

• A.Upsert myAccounts Foreign_Key__c;
• B.Upsert myAccounts(Foreign_Key__c);
• C.Database.upsert(myAccounts).Foreign_Key__c;
• D.Database.upsert (myAccounts, Foreign_Key__c);

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A developer has a Apex controller for a Visualforce page that takes an ID as a URL parameter. How should the developer prevent a cross site scripting vulnerability?

• A.ApexPages.currentPage() .getParameters() .get('url_param') .escapeHtml4()
• B.String.ValueOf(ApexPages.currentPage() .getParameters() .get('url_param'))
• C.String.escapeSingleQuotes(ApexPages.currentPage() .getParameters(). get('url_param'))
• D.ApexPages.currentPage() .getParameters() .get('url_param')

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