运用知识
Refer to the exhibit. On the basis of the information that is provided, which two statements are true?（） ["An IPS policy can be edited by choosing the Edit button.","Right-clicking on an interface will display a shortcut menu with options to edit an action or to set severity levels.","The Edit IPS window is currently in Global Settings view.","The Edit IPS window is currently in IPS Policies view.","The Edit IPS window is currently in Signatures view.","To enable an IPS policy on an interface， click on the interface and deselect Disable."]
MDU（B类ONU）设备在注册时，不需要配置的模版是（） ["DBA模板","线路模版","业务模版","SNMP模版"]
不对称膜
教学模式
按系统和外界的关系分类可以将系统分为哪两种？
