What are two possible ways to achieve this goal?

You create a Microsoft Windows SharePoint Services solution.

You need to deploy the solution files.

What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A.
Run the Stsadm.exe utility with the deploysolution operation.

B.
Call the SPSolution.Deploy method from within custom code.

C.
Install the solution assembly into the Global Assembly Cache (GAC).

D.
Copy the solution assembly to the bin folder of the Windows SharePoint Services server.