A developer is asked to create a custom visualforce page that will be used as a dashboard component. Which three are valid controller options for this page? Choose 3 answers

• A.Use a custom controller with extensions
• B.Use a custom controller
• C.Use a standard controller with extensions
• D.Use a standard controller
• E.Do not specify a controller

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A developer needs to create a Visualforce page that will override the standard Account edit button. The page will be used to validate the account's address using a SOQL query. The page will also allow the user to make edits to the address. Where would the developer write the Account address verification logic?

• A.In a Controller Extension.
• B.In a Standard Extension.
• C.In a Custom Controller.
• D.In a Standard Controller.

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As a part of class implementation a developer must execute a SOQL query against a large data ser based on the contact object. The method implementation is as follows.

Which two methods are best practice to implement heap size control for the above code? (Choose 2 Answers)

• A.Use a SOQL FOR loop, to chunk the result set in batches of 200 records.
• B.Use visual keyword when declaring the retrieve variable.
• C.Use WHERE clauses on the SOQL query to reduce the number of records retrieved.
• D.Use the FOR UPDATE option on the SOQL query to lock down the records retrieved.

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Universal Container use a simple order Management app. On the Order Lines, the order line total is calculated by multiplying the item price with the quantity ordered. There is a Master-Detail relationship between the Order and the Order Lines object.
What is the practice to get the sum of all order line totals on the order header?

• A.Apex Trigger
• B.Process Builder
• C.Declarative Roll-Up Summaries App
• D.Roll-Up Summary Field

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AW Computing tracks order information in custom objects called order__c and order_Line_ c - Currently, all shipping information is stored in the order__c object.
The company wants to expand Its order application to support split shipments so that any number of order_Line__c records on a single order__c can be shipped to different locations.
What should a developer add to fulfill this requirement?

• A.Order_shipment_Group_c object and master-detail field to order_c and Order Line_c
• B.Order_shipment_Group_c object and master-detail field on order_Line_c
• C.Order_shipment_Group_c object and master-detail field on order_shipment_Group_c
• D.Order_shipment_Group_c object and master-detail field on order_c

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