设备更新方案的比选主要应用的是（）。 ["投资回收期","内部收益率","年成本","年收益","净年值"]
铁路运输企业责任分为车站责任和列车责任。（）
企业知识管理策略的选择应注意哪些问题。
牛乳中脂肪含量一般为（） ["3.0－5.0％","3.0－3.5％","6－7％"]
Refer to the exhibit a network administrator cannot establish a telnet session with the indicated router at is the cause of this failure?（） ["A .A level 5 password is not set","The vty password is missing","The console password is missing","An ACL is blocking Telnet acce"]
实录
