Which two statements about administrative access to the ACS Solution Engine are true?

Which two statements about administrative access to the ACS Solution Engine are true?
(Choose two.)

A.
The ACS Solution Engine supports command-line connections through a serial-port
connection.

B.
For GUI access, an administrative GUI user must be created with the add-guiadmin
command.

C.
The ACS Solution Engine supports command-line connections through an Ethernet interface.

D.
An ACL-based policy must be configured to allow administrative-user access.

E.
GUI access to the ACS Solution Engine is not supported.