Which of the following events will happen during IKE Phase I? Select three answers

Which of the following events will happen during IKE Phase I? Select three answers

A.
A Diffie-Hellman key is created

B.
The key material exchanged during IPSEC phase is used for building the IPSec keys

C.
The peers authenticate either by certificates or via a pre-shared secret

D.
IKE is encrypted according to the keys and methods agreed upon in IKE phases

E.
Key material (random bits and other mathematical data) as well as an agreement on methods for IKE phase II are exchanged between the peers