您是Fabrikam，Inc的网络管理员。公司网络由名为fabrikam.com的单一Active Directory域组成。名为Server1的 Windows Server 2003计算机是该域唯一的DNS服务器。该计算机没有存放任何其它区域。用户报告，连接到fabrikam.com域内的计算机时速度很慢。您需要找出是否是Server1上的DNS客户端通信造成了这一问题。您应该怎么办？（） ["使用"系统监视器"，创建每秒DNS计数器"动态"更新数和每秒"总"查询数的日志","使用"系统监视器"，创建每秒NetworkInterface计数器"总"字节数的日志","在Server1上启用调试日志记录。配置该日志，使其捕捉"通知"事件","在Server1上启用调试日志记录。配置该日志，使其捕捉"更新"事件"]
植物对除草剂的钝化作用
高强度螺栓的连接形式中，（）是目前广泛采用的基本连接形式。 ["摩擦连接","张拉连接","承压连接","抗剪连接"]
某一方案具备财务可行性的标志是（）。 ["净现值≥0","净现值＞0","获利指数≥1","内部收益率≥行业基准折现率","净现值率≥0"]
A web application uses the HttpSession mechanism to determine if a user is “logged in”. When a user supplies a valid user name and password， an HttpSession is created for that user. The user has access to the application for only 15 minutes after logging in. The code must determine how long the user has been logged in， and if this time is greater than 15 minutes， must destroy the HttpSession. Which method in HttpSession is used to accomplish this？（） [" getCreationTime"," invalidateAfter"," getLastAccessedTime"," getMaxInactiveInterval"]
动机冲突有哪些类型？
