What are the four vPath packet flow steps？ （） [" perform flow lookups"," intercept packets on service enabled ports"," run packets through the vPath flow manager"," classify the packets"," flow manager emits an action for the packets"," enforce the action determined by the flow manager"]
多代近交获得的高度纯合的群体多数基因位点的基因处于纯合状态，这些纯合的基因无有害基因或很少有害基因时，遗传的异质性低，同质性高，生产性能好。
You are the network administrator of a small Layer 2 network with 50 users. Lately， users have been complaining that the network is very slow. While troubleshooting， you notice that the CAM table of your switch is full， although it supports up to 12，000 MAC addresses. How can you solve this issue and prevent it from happening in the future？（） ["Upgrade the switches","Configure BPDU guard","Configure VLAN access lists","Configure port security","Configure Dynamic ARP inspectio"]
简述瑞雷面波的传播特征。
一个项目需要使用原有厂房、设备和材料等，其相关的现金流量是指他们的账面价值。（）
生物修复
