When testing batch classes, what must a developer do? (Choose two.)

• A.Use seeAIIData=true
• B.Encapsulate code in Test.startTestQ and Test.stopTestQ
• C.Call the class* "execute" method
• D.Limit the amount of records you test to < 200

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The REST API___________.

• A.Is based on REST principles and is optimized for loading or deleting large sets of data. You can use it to query, queryAII, insert, update, upsert, or delete many records asynchronously by submitting batches
• B.Is used to create, retrieve, update or delete records, such as accounts, leads, and custom objects, and allows you to maintain passwords, perform searches, and much more
• C.Provides a powerful, convenient, and simple REST-based web services interface for interacting with Salesforce. Its advantages include ease of integration and development, and it's an excellent choice of technology for use with mobile applications and web projects
• D.Is used to retrieve, deploy, create, update, or delete customizations for your org. The most common use is to migrate changes from a sandbox or testing org to your production environment

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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.Aura Components
• C.Visualforce
• D.Lightning Web Components

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A developer wrote an Apex class to make several callouts to an external system.
If the URLs used in these callouts will change often, which feature should the developer use to minimize changes needed to the Apex class?

• A.Session Id
• B.Connected Apps
• C.Named Credentials
• D.Remote Site Settings

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A developer must perform a complex SOQL query that joins two objects in a Lightning component. how can the Lightning component execute the query?

• A.Create a Process Builder to execute the query and invoke from the Lightning component.
• B.Invoke an Apex dass with the method annotated as @AiraEnabled to perform the query.
• C.Use the SaJesforce Streaming API to perform the SOQL query.
• D.Write the query in a custom Lightning web component wrapper and invoke from the Lightning component.

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