A company wants to implement a new call center process for handling customer service calls. It requires service reps to ask for the caller's account number before proceeding with the rest of their call script.
Following best practices, what should a developer use to meet this requirement?

If you wanted to create a record following the update of another (with data from the source object), what is the most customizable approach?

Which API can be used to execute unit tests? Choose 3 answers

Exhibit:

What should be added to the setup, in the location indicated, for the unit test above to create the controller extension for the test?
A)

B)

C)

D)

A company has a Lightning Page with many Lightning Components, some that cache reference data. It is reported that the page does not always show the most current reference data. What can a developer use to analyze and diagnose the problem in the Lightning Page?