Select all that apply.

• A

  After the IPsec tunnel is established data is encrypted using one set of DH-generated keying material

• B

  After the IPsec tunnel is established data is encrypted using two sets of DH-generated keying material

• C

  Two tunnels were established, the first one is for ISAKMP and IPsec negotiation and the second one is for data encryption as a result of IPsec negation

• D

  The ISAKMP tunnel was established to authenticate the peer and discretely negotiate the IPsec parameters

• E

  One secure channel and one tunnel were established, the secure channel was established by ISAKMP

• F

  The ISAKMP secure channel was established to authenticate the peer and discretely negotiate the IPsec parameters.