Which three statements about a controller based on imperative control are true?

Which three statements about a controller based on imperative control are true? (Choose three.)

A.
User intent is captured and implemented.

B.
It uses abstract policies rather than a device-specific configuration.

C.
Knowledge of infrastructure device specific commands is needed to deploy applications.

D.
Set of device features is broad because scale is not an issue.

E.
Device features are limited.

F.
No knowledge of infrastructure device specific commands is needed to deploy applications.

G.
User intent is difficult to capture and implement.