Tute W6

Authentication applied to the entire original IP packet is _________ .

• security mode

• cipher mode

• tunnel mode

• transport mode

_________ defines a number of techniques for key management.

• KEP

• KMP

• SKE

• IKE

. Authentication applied to all of the packet except for the IP header is _________ .

• tunnel mode

• transport mode

• association mode

• security mode

. The __________ mechanism assures that a received packet was in fact transmitted

by the party identified as the source in the packet header and assures that the

packet has not been altered in transit.

• confidentiality

• authentication

• security

• key management

__________ provides the capability to secure communications across a LAN, across

private and public WANs, and across the Internet.

• IKE

• ISA

• IAB

• IPsec

The _________ facility enables communicating nodes to encrypt messages to prevent eavesdropping by third parties.

• security

• key management

• authentication

• confidentiality

The key management mechanism that is used to distribute keys is coupled to the authentication and privacy mechanisms only by way of the _________ .

• IAB

• SPI

• ESP

• SPD

A _________ is a one-way relationship between a sender and a receiver that affords security services to the traffic carried on it.

• SAD

• SPD

• SA

• SPI

The means by which IP traffic is related to specific SAs is the _________ .

• TRS

• SPD

• SAD

• SPI

. _________ consists of an encapsulating header and trailer used to provide encryption or combined encryption/authentication.

• SPI

• ESP

• ISA

• IPsec