多项选择题
A. SCREEN options offer protection against various attacks
B. SCREEN options are deployed prior to route and policy processing in first path packet processing
C. SCREEN options are deployed at the ingress and egress sides of a packet flow
D. SCREEN options, you must take special care to protect OSPF
多项选择题 Which two statements about static NAT are true? （）(Choose two.)
单项选择题 You have configured a UTM profile called Block-Spam, which has the appropriate antispam configuration to block undesired spam e-mails.Which configuration would protect an SMTP server in the dmz zone from spam originating in the untrust zone?（）
单项选择题 Which statement describes the UTM licensing model?（）