单项选择题

You must configure a SCREEN option that would protect your device from a session table flood.Which configuration meets this requirement？（）

A.A
B.B
C.C
D.D

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单项选择题

Prior to applying SCREEN options to drop traffic， you want to determine how your configuration will affect traffic. Which mechanism would you configure to achieve this objective？（）

A.the log option for the particular SCREEN option
B.the permit option for the particular SCREEN option
C.the SCREEN option， because it does not drop traffic by default
D.the alarm-without-drop option for the particular SCREEN option

单项选择题

Where do you configure SCREEN options？（）

A.zones on which an attack might arrive
B.zones you want to protect from attack
C.interfaces on which an attack might arrive
D.interfaces you want to protect from attack

单项选择题

An attacker sends a low rate of TCP SYN segments to hosts， hoping that at least one port replies. Which type of an attack does this scenario describe？（）

A.DoS
B.SYN flood
C.port scanning
D.IP address sweep