单项选择题
How many IDP policies can be active at one time on an SRX Series device by means of the set security idp active-policy configuration statemen?（）
A.1 B.2 C.4 D.8
多项选择题 Which three are necessary for antispam to function properly on a branch SRX Series device? （）(Choose three.)
单项选择题 Which command would you use to enable chassis cluster on an SRX device, setting the cluster ID to 1 and node to 0?（）
单项选择题 Which statement is true regarding IPsec VPNs?（）
