What is the effect of using the service password-encryption command?

What is the effect of using the service password-encryption command?

A.
Only passwords configured after the command has been entered will be encrypted.

B.
Only the enable password will be encrypted.

C.
Only the enable secret password will be encrypted

D.
It will encrypt the secret password and remove the enable secret password from the configuration.

E.
It will encrypt all current and future passwords.