单项选择题
Regarding zone types， which statement is true？（）
A.You cannot assign an interface to a functional zone. B.You can specifiy a functional zone in a security policy. C.Security zones must have a scheduler applied. D.You can use a security zone for traffic destined for the device itself.
单项选择题 Given the routing entries shown in the exhibit, which next-hop IP address will be used for the destination IP address 192.168.1.159?（）
单项选择题 Click the Exhibit button. In the exhibit, what is the priority for Router B in VRRP group 100?（）
名词解释 八益
