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

• A.Partial Copy Sandbox
• B.Full Sandbox
• C.Developer Pro Sandbox
• D.Production

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A developer created a weather app that contains multiple Lightning web components.
One of the components, called Toggle, has a toggle for Fahrenheit or Celsius units. Another component, called Temperature, displays the current temperature in the unit selected in the Toggle component When a user toggles from Fahrenheit to Celsius or vice versa in the Toggle component, the information must be sent to the Temperature component so the temperature can be converted and displayed.
What is the recommend way to accomplish this?

• A.The Toggle component should call a method in the Temperature component.
• B.Create a custom event to handle the communicate between the components.
• C.Use Lightning Message Service to communicate between the components.
• D.Use Lightning Message Service to communicate between the component.

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A Lightning component has a wired property, searchResults, that stores a list of Opportunities. Which definition of the Apex method, to which the searchResults property is wired, should be used?

• A.@AuraEnabled(cacheable=true)
  public List<Opportunity> search(String term) { /*implementation*/ }
• B.@AuraEnabled(cacheable=false)
  public static List<Opportunity> search(String term) { /*implementation*/ }
• C.@AuraEnabled(cacheable=false)
  public List<Opportunity> search(String term) { /*implementation*/ }
• D.@AuraEnabled(cacheable=true)
  public static List<Opportunity> search(String term) { /* implementation*/ }

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Which annotation exposes an Apex class as a RESTful web service?

• A.AuraEnabled
• B.HttpInvocable
• C.RemoteAction
• D.RestResource

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A primaryid_c custom field exists on the candidate_c custom object. The filed is used to store each candidate's id number and is marked as Unique in the schema definition.
As part of a data enrichment process. Universal Containers has a CSV file that contains updated data for all candidates in the system, the file contains each Candidate's primary id as a data point. Universal Containers wants to upload this information into Salesforce, while ensuring all data rows are correctly mapped to a candidate in the system.
Which technique should the developer implement to streamline the data upload?

• A.Create a Process Builder on the Candidate_c object to map the records.
• B.Create a before Insert trigger to correctly map the records.
• C.Upload the CSV into a custom object related to Candidate_c.
• D.Update the primaryid__c field definition to mark it as an External Id

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