Which two queries are selective SOQL queries and can be used for a large data set of 200,000 Account records? Choose 2 answers

• A.SELECT id FROM ACCOUNT WHERE Name = Null
• B.SELECT id FROM ACCOUNT WHERE id IN (list of Account Ids)
• C.SELECT id FROM ACCOUNT WHERE Name = !: ' '
• D.SELECT id FROM ACCOUNT WHERE Name = Null AND Customer_Number_c= 'ValueA'

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A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow.
What can a developer to do address the issue?

• A.Move the prerequisite reference data setup to a TestDataFactory and call that from each test method.
• B.Move the prerequisite reference data setup to a @testSetup method in the test class.
• C.Move the prerequisite reference data setup to a static method in the test class and call that from each test method.
• D.Move the prerequisite reference data setup to the constructor for the test class.

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A lead developer for a Salesforce organization needs to develop a page-centric application that allows the user to interact with multiple objects related to a Contact The application needs to implement a third-party JavaScript framework such as Angular, and must be made available in both Classic and Lightning Experience.
Given these requirements, what is the recommended solution to develop the application?

• A.Lightning Experience Builder
• B.Visualforce
• C.Lightning Web Components
• D.Aura Components

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Code must have X% overall code coverage.

• A.X = 100
• B.X = 75
• C.X = 65
• D.X = 50

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How should a developer assert that a trigger with an asynchronous process has successfully run?

• A.Create all test data, use @future In the test class, then perform assertions.
• B.Create at test data in the test class, use System.runAs() to invoke the trigger, then perform assertions.
• C.Insert records into Salesforce, use seeAllData-true, then perform assertions.
• D.Create all test data in the test class, invoke Test.startTest() and Test.stopTest() and then perform assertions,

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