lefthalfs–plane

A . Most of B . Most C . The most

A . disappearing B . disappeared C . diving D . dived

A . data plane B . control plane C . service plane D . management plane E . hyper plane

A . protection against denial of service （DoS） attacks at infrastructure routers and switches B .  protection against known worm attacks in routers and switches C . quality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switches D . quality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switches E . quality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switche

A . Saturday. B . Eight o'clock in the morning C . Last week. D . This week

A . up B . off C . on D . i

A . a set of rules that can be established and associated with the ingress and egress ports of the control plane B . improves performance of the control plane by marking control plane packets with DSCPEF C . protects the control plane on a router from DoS attacks D . treats the control plane as a separate entity with its own ingress （input） and egress （output） ports E . provides the control plane with a separate token bucket F . enhances security of the control plane by tunneling packets to and from the control plane

A .  Traffic to be policed is identified using the control-plane global configuration command. B .  The control-plane global configuration command enters the Cisco Modular QoS CLI （MQC） mode. C .  The control-plane global configuration command enters the control-plane configuration mode.  D .  Traffic to be policed is identified using the control-plane interface configuration command. E .  The control-plane interface configuration command enters the Cisco Modular QoS CLI （MQC） mode. F .  The control-plane interface configuration command enters the control-plane configuration mode.

A . XML B . RIB C . FIB D . QoS E . PFI

A . Clip Manuath（手动剪切平面） B . Far Clip（远点剪切平面） C . Far Range（环境远点范围） D . Near Clip（远点剪切平面）

A．安全高度 B．返回高度 C．下刀高度 D．工件顶面高度

A．线性平面单元 B．具有四边形和三角形选项 C．有塑性、蠕变、辐射膨胀、应力刚度、大变形功能 D．有大应变功能