A.Only symmetric algorithms have a key exchange technology built in
B.Asymmetric algorithms are used quite often as key exchange protocols for symmetricalgorithms
C.Only asymmetric algorithms have a key exchange technology built in
D.Asymmetric algorithms are based on more complex mathematical computations

A.Pass
B.Flow
C.Allow
D.Inspect

A.Starting a Smurf attack
B.Conducting social engineering
C.Creating a back door
D.Launching a DoS attack

A.Authorization
B.Confidentiality
C.Authentication
D.Integrity

A.signature-based
B.profile-based
C.rule-based
D.protocol analysis-based

A.2048 bits
B.1024 bits
C.256 bits
D.512 bits

A.the inside private IP address and the translated inside global IP address
B.the source and destination IP addresses， port numbers，TCP sequencing information， and additional flags for each TCP or UDP connection associated with a particular session
C.the outbound and inbound access rules （ACL entries）
D.all TCP and UDP header information only

A.MCU
B.Application server
C.Gateway
D.Gatekeeper

A.used to verify the identity of the peer
B.used between the initiator and the responder to establish a basic security policy
C.used to establish a symmetric shared key via a public key exchange process
D.used for asymmetric public key encryption

A.Static secure MAC address
B.Dynamic secure MAC address
C.Pervasive secure MAC address
D.Sticky secure MAC address