Several troubleshooters are about to work on the same problem. Which of the followingtroubleshooting methods would be most appropriate to make the best use of the troubleshooters1time？（） ["Bottom up","Component swapping","Top down","Shoot from the hip","Divide and conquer","Follow the traffic path"]
配气相位
（）可用于监测重金属对环境的污染 ["乳糖酶","胆碱酯酶","过氧化物酶","乳酸脱氢酶","以上都是"]
Your company has a network that has 100 servers. A server named server1 is configured as a file server . server1 is connected to a SAN and has 15 logical drives. You want to automatically run a data archiving script if the free space on any of the logical drives is below 30 percent. You need to automate the script execution. You create a new data collector set. What should you do next?（） ["Add the event trace data collector","Add the performance counte ralert","Add the performance counte rdata collector","Add the system configuration datacollector."]
简述局域网逻辑链路子层的功能。
氧化物阶段：
