A developer wants to retrieve and deploy metadata, perform simple CSV export of query results, and debug Apex REST calls by viewing JSON responses.
Which tool should the developer use?

A company wants to build a custom Lightning Component that will display a specified Account Field Set and that can only be added to the Account record page.
Which design resource configuration should be used?
<design:component label="Account FS Component">

What is a consideration when testing batch Apex? (Choose two.)

A developer needs to send Account records to an external system for backup purposes. The process must take a snapshot of Accounts as they are saved and then make a callout to a RESTful web service. The web service can only receive, at most, one record per call. Which feature should be used to implement these requirements?

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?