Which type of intrusion prevention technology will be primarily used by the Cisco IPS security appliances？（）

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