When can a developer use a custom Visualforce page in a Force.com application? (Choose 2)

• A.To modify the page layout settings for a custom object
• B.To generate a PDF document with application data
• C.To create components for dashboards and layouts
• D.To deploy components between two organizations

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Where can a developer identify the time taken by each process in a transaction using Developer Console log inspector?

• A.Performance Tree tab under Stack Tree panel
• B.Timeline tab under Execution Overview panel
• C.Execution Tree tab under Stack Tree panel
• D.Save Order tab under Execution Overview panel

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How should a developer create a new custom exception class?

• A.CustomException ex = new (CustomException)Exception();
• B.public class CustomException extends Exception{}
• C.(Exception)CustomException ex = new Exception();
• D.public class CustomException implements Exception{}

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What is an accurate statement about variable scope? (Choose 3)

• A.A variable can be defined at any point in a block.
• B.Sub-blocks cannot reuse a parent block's variable name.
• C.Sub-blocks can reuse a parent block's variable name if it's value is null.
• D.Parallel blocks can use the same variable name.
• E.A static variable can restrict the scope to the current block of its value is null.

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Which action can a developer take to reduce the execution time of the following code?

• A.Use a Map<Id List<Contact> for allContacts.
• B.Add a GROUP BY clause to the Contact SOQL.
• C.Put the Account loop inside the Contact loop.
• D.Create an Apex helper class for SOQL.

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