[问答题] 我需要加强哪些知识、调整哪些行为？

临界风速 服务级别管理的目标是什么（） ["以最低的成本为顾客提供高质量的服务","确保对重大事件能及时沟通和协调","确保顾客所需的IT服务得到网络的维护和改进","获得顾客的广大理解和支持"] Given: What is the result?（） ["Compilation fails.","An exception is thrown at runtime.","doStuff x = 6 main x = 6","doStuff x = 5 main x = 5","doStuff x = 5 main x = 6","doStuff x = 6 main x = 5"] What is the result？（） ["Compilation fails.","aAaA aAa AAaa AaA","AAaa AaA aAa aAaA","AaA AAaa aAaA aAa","aAa AaA aAaA AAaa","An exception is thrown at runtime."] 下面哪条不是bigtable主服务器作用（） ["为每个子表服务器分配子表，对外提供服务","对bigtable表中的数据进行存储","探测子表服务器的故障和管理","负载均衡"] 我需要加强哪些知识、调整哪些行为？