招标文件应当规定一个适当的投标有效期，以保证招标人有足够的时间完成评标和与中标人签订合同。在此时间内，投标人有义务保证投标文件的有效性。投标有效期的起始计算时间为（）。 投标人提交投标文件截止之日。 招标人确定评标之日。 投标人接到招标文件之日。 招标文件开始发出之日。
科斯定理
You are the network administrator for . The network consists of a single Active Directory domain named All network servers run Windows Server 2003. Half of the client computers run Windows XP Professional and the other half run Windows NT 4.0 Workstation. You install Terminal Server on five member servers named TestKingSrvC through TestKingSrvG. You place all five servers in an organizational unit (OU) named Terminal Server. You link a group Policy object (GPO) to the Terminal Server OU. Two days later, users notify you, that the performance of TestKingSrvF is unacceptable slow. You discover that TestKingSrvF has 75 disconnected Terminal Server sessions.You need to configure all five terminal servers to end disconnected sessions after 15 minutes of inactivity. You must achieve this goal by using the minimum amount of administrative effort. What should you do?（） Log on the console of each terminal server. In the RDP-Tcp connection properties, set the End a disconnected session option to 15 minutes.。 Edit the GPO to set the time limit for disconnected sessions to 15 minutes.。 On TestKingSrvC, run the tsdiscon] command to disconnect all 75 users from TestKingSrvF。 In Active Directory Users and Computers, set the End a disconnected session option for all domain user accounts to 15 minutes.。
Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?（） Rollover cable。 Console cab le。 Crossover cable。 Straight-through cable。 Serial cable。
在市场选择中，有五种力量决定整个市场或其中任何一个细分市场长期的内在吸引力，其中不包括（）。 同行业竞争者。 潜在的新竞争者。 客户选择能力。 互补产品。
You have an Exchange Server 2010 organization.
You need to recommend a storage solution that meets the following requirements：
.Provides users with an alternate location for storing e-mail messages
.Provides users with access to the alternate location by using Outlook Web App （OWA）
What should you recommend？（）
