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

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Which code displays the content of Visualforce page as PDF?

• A.<apex:page readerAs= ''application/pdf''>
• B.<apex:page readeras'' application/pdf''>
• C.<apex:page renderAs="pdf">
• D.<apex:page contentype '' application/pdf'')

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A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or update. The field update in the workflow rule is configured to not re-evaluate workflow rules. What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

• A.1
• B.3
• C.2
• D.4

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Universal Containers wants to assess the advantages of declarative development versus programmatic customization for specific use cases in its Salesforce implementation.
What are two characteristics of declarative development over programmatic customization?
Choose 2 answers

• A.Declarative development has higher design limits and query limits.
• B.Declarative development does not require Apex test classes.
• C.Declarative code logic does not require maintenance or review.
• D.Declarative development can be done using the Setup UI.

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An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.
How can this be achieved?

• A.Use the Streaming API to create real-time roll-up summaries.
• B.Write a trigger on the child object and use a red-black tree sorting to sum the amount for all related child objects under the Opportunity.
• C.Write a Process Builder that links the custom object to the Opportunity.
• D.Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity

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