Which code should be used to update an existing Visualforce page that uses standard Visualforce components so that the page matches the look and feel of Lightning Experience?

• A.apex:actionStatus
• B.<apex:page>
• C.<apex:page lightningStyleSheets="true">
• D.<apex:commandButton styleClass="slds-vf-button_brand" value="Refresh the Page">

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

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In terms of the MVC paradigm, what are two advantages of implementing the layer of a Salesforce application using Aura Component-based development over Visualforce? Choose 2 answers

• A.Rich component ecosystem
• B.Server-side run-time debugging
• C.Self-contained and reusable units of an application
• D.Automatic code generation

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A developer needs to prevent the creation of request records when certain conditions exist in the system. A RequestLogic class exists to checks the conditions. What is the correct implementation?

• A.Trigger RequestTrigger on Request (before insert) {
  RequestLogic.validateRecords {trigger.new};
  }
• B.Trigger RequestTrigger on Request (after insert) {
  if (RequestLogic.isValid{Request})
  Request.addError {'Yourrequest cannot be created at this time.'};
  }
• C.Trigger RequestTrigger on Request (before insert) {
  if (RequestLogic.isvalid{Request})
  Request.addError {'Your request cannot be created at this time.'};
  }
• D.Trigger RequestTrigger on Request (after insert) {
  RequestLogic.validateRecords {trigger.new};
  }

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Which statement is true about developing in a multi-tenant environment?

• A.Apex sharing controls access to records fomr multiple tenants on the same instance
• B.Global apex classes can be referenced from multiple tenants on the same instance
• C.Governor limits prevent apex from impactiong the performance of multiple tenants on the same instance
• D.Org-level data security controls which users can see data from multiple tenants on the same instance

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