Which action do IPsec peers take during the IKE Phase 2 exchange?

Which action do IPsec peers take during the IKE Phase 2 exchange?

• negotiation of IPsec policy
• negotiation of IKE policy sets
• verification of peer identity
• exchange of DH keys
  

  Answers Explanation & Hints: The IKE protocol executes in two phases. During Phase 1 the two sides negotiate IKE policy sets, authenticate each other, and set up a secure channel. During the second phase IKE negotiates security associations between the peers.