You are the administrator of a SQL Server 2005 computer named SQL1. All servers run Microsoft Windows Server 2003 and belong to a Microsoft Active Directory domain. The companys written security policy mandates strong passwords for all domain， local， and application accounts. The appropriate domain password policy has been deployed through the use of a Group Policy object （GPO）. Many of the company’s computers run MS-DOS-based or UNIX-based operating systems. These computers require varying levels of access to a database named Services on SQL1. You need to ensure that these computers can access the Services database without violating the company’s written security policy. What should you do？（） ["Create a domain account for each of the company’s users. Provide each domain account with access to SQL1 and the Services database.","Create a local logon account on SQL1 for each of the company’s users. Provide each logon account with access to SQL1 and the Services database.","Create a SQL Server logon account for each of the company’s users. Enable the Enforce password policy option for each logon account. Provide each logon account with access to the Services database.","Configure a virtual directory through Internet Information Services （IIS） for access to SQL1. Direct users to the virtual directory for data access.","Create one SQL Server logon account for all of the company’s computers running MS-DOS or UNIX-based operating systems. Enable the Enforce password policy option for users’ accounts. Provide the logon accounts with access to the Services database."]
Which three statements about subqueries are true? （） [" A main query can have more than one subquery."," A subquery can have more than one main query."," The subquery and main query must retrieve data from the same table."," The subquery and main query can retrieve data from different tables."," Only one column or expression can be compared between the subquery and main query."," Multiple columns or expression can be compared between the subquery and main query."]
“后茶馆式”教学中的“读”就是学生读文本。可以带着问题读文本，也可以学生读文本之后提出问题。其实在学生读文本的同时已经开始了（）的对话。
You are a database administrator for your company. The company runs a popular database-driven Web site against a SQL Server 2005 computer named SQL2. You need to ensure a quick response time and appropriate audit trail in the event that SQL2 experiences excessive traffic due to denial-of-service （DoS） attacks. Which two actions should you perform？（） ["Create a new performance alert to monitor the Current Bandwidth counter.","Create a new performance alert to monitor the Bytes Total\/sec counter.","Configure the new performance alert to start a SQL Server Profiler trace.","Configure the new performance alert to start a Network Monitor capture."]
法兰密封一般是依靠（）产生预紧力，通过各种垫片达到工作密封比压来实现密封的一种形式。 ["法兰","载荷","连接螺栓","负载"]
简述健康保险核保因素。
