光敏二极管、光敏三极管基于（）。 ["外光电效应","光电导效应","电荷耦合","光生伏打效应"]
Which protocol can cause overload on a CPU of a managed device?（） [" Netflow"," WCCP"," IP SLA"," SNMP"]
微生物变异
In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（） ["It adds the VPN label into the top label in the MPLS label stack","It replaces the top label in the MPLS label stack with a VPN label and propagates","It replaces the bottom label in the MPLS label stack with a VPN label and propagates","It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets","None of above"]
运动饮料的三种类型及其特点。
人对神灵产生的宗教情感（又叫宗教经验）表现在哪些方面？
