The Account edit button must be overridden in an org where a subset of users still use Salesforce Classic. The org already has a Lightning Component that will do the work necessary for the override, and the client wants to be able to reuse it, How should a developer implement this?

For compliance purposes, a company is required to track long-term product usage in their org. The information that they need to log will be collected from more than one object and. over time, they predict they will have hundreds of millions of records.
What should a developer use to implement this?

There are user complaints about slow render times of a custom data table within a visualforce page that loads thousands of Account records at once.
What can a developer do to help alleviate such issues?

Refer to the code snippet below:

As part of an Integration development effort, a developer is tasked to create an Apex method mat solely relies on the use of foreign identifiers In order to relate new contact records to existing Accounts in Salesforce. The account object contains a field marked as an external ID, the API Name of this field is Legacy_Id_c.
What Is the most efficient way to instantiate the parentAccount: variable on line 02 to ensure the newly created contact is properly related to the Account?
A)

B)

C)

D)

After a Platform Event is defined in a Salesforce org, events can be published via which two mechanisms? Choose 2 answers