Which three resources in an Azure Component can contain JavaScript functions?

Which two sfdx commands can be used to add testing data to a Developer sandbox?

A developer needs to implement a custom SOAP Web Service that is used by an external Web Application. The developer chooses to Include helper methods that are not used by the Web Application In the Implementation of the Web Service Class.
Which code segment shows the correct declaration of the class and methods?
A)

B)

C)

D)

Universal Containers stores the availability date on each Line Item of an Order and Orders are only shipped when all of the Line Items are available. Which method should be used to calculate the estimated ship date for an Order?

Given the following Anonymous Block:

Which one do you like?
What should a developer consider for an environment that has over 10,000 Case records?