The practice of analyzing body characteristics for identification is called ________

A LastName field is an example of a grouped field

Indicate whether the statement is true or false

What must happen before an IPsec tunnel can be established?

a. Security parameters have to be negotiated and publicly agreed upon by both ends. b. IKE Phase 1 is a phase where both network nodes authenticate each other and set up an IKE SA. IKE Phase 2 uses the plain-text channel established in phase 1 to negotiate the unidirectional IPsec SAs, inbound and outbound, to set up the IPsec tunnel. c. IKE Phase 1 is a phase where one network node authenticates the other and sets up an IKE SA. IKE Phase 2 uses the open channel established in phase 1 to negotiate the unidirectional IPsec SAs, inbound and outbound, to set up the IPsec tunnel. d. Security parameters have to be negotiated and agreed upon by both ends.