What are two primary requirements?

You want to add a dynamic VPN to your SRX650. This dynamic VPN must be able to support five users at the same time.
What are two primary requirements? (Choose two.)

A.
You must use a policy-based VPN.

B.
You must use a route-based VPN.

C.
You must install the proper licenses.

D.
You must configure local client authentication.