Which of the following ways can be used to create configuration items? (Choose all that apply.)

Which of the following record types would you use in order to set up a new hired employee?

An administrator has been asked to grant read, create and edit access to the product object for users who currently have the standard marketing user profile.
Which two approaches could be used to meet this request? (Choose two.)

A Visualforce page contains an industry select list and displays a table of Accounts that have a matching value in their Industry field.

When a user changes the value in the industry select list, the table of Accounts should be automatically updated to show the Accounts associated with the selected industry.
What is the optimal way to implement this?

A company processes Orders within their Salesforce instance. When an Order's status changes to "Paid" it must notify the company's order management system (OMS). The OMS exposes SOAP web service endpoints to listen for when to retrieve the data from Salesforce.
What is the optimal method to implement this?