You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as the administrator of a SQL Server 2005 computer， and the computer is named SQL1. Microsoft Windows Server 2003 is run by all servers. All the servers belong to a Microsoft Active Directory domain. According to the company written security policy， strong passwords are mandated for all domain， local， and application accounts. The company utilizes a Group Policy object （GPO） to deploy the proper domain password policy. MS-DOS-based or UNIX-based operating systems are run by many of the company’s computers. Varying levels of access to a database named Services on SQL1 is requested by the computers. Since you are the database administrator， you are required to confirm that the Services database can be accessed by these computers. And the company’s written security policy should not be violated. Which action should be performed by you？（）

A domain account should be created for each of the company’s users. And then， each domain account should be offered with access to SQL1 and the Services database.
B. A local logon account should be created on SQL1 for each of the company’s users. And then， each logon account should be offered with access to SQL1 and the Services database.
C. One SQL Server logon account should be created for all of the company’s computers running MS-DOS or UNIX-based operating systems. And then， the Enforce password policy option should be enabled for users’ accounts. At last， the logon accounts should be provided with access to the Services database.
D. A SQL Server logon account should be created for each of the company’s users. And then， the Enforce password policy option should be enabled for each logon account. At last， each logon account should be offered with access to the Services database.
E. A virtual directory should be configured through Internet Information Services （IIS） for access to SQL1. And then， users should be directed to the virtual directory for data access.