Your company has 10 servers that run windows server 2008. The servers have RDP enabled for server administration. RDP is configured to use default security settings. All administrators computers run widows vista. You need to ensure the RDP connections are as secure as possible. Which two actions should you perform? （） Set the security layer for each server to the RDP security layer.。 Configure the firewall on each server to block port 3389.。 Acquire user certificates from the internal certificate authority.。 Configure each server to allow connections only to remote desktop client computers that use network level authentication.。
You work in a company which uses SQL Server 2008. You are the administrator of the company database. In your company there is a server which contains a default SQL Server 2005 instance. For a new application, you have to install a SQL Server 2008 instance on the server. Your company CIO assigns a task to you. You must make sure that the respective certified third-party applications have access to both database instances. You have to achieve this goal without changing the existing application environments. So what should you do to achieve this by using as little database administrative effort as possible?（） You should install SQL Server 2008 as a named instance, and make the new application to use the new instance. 。 You should install SQL Server 2008 as the default instance, and make the new application to use the default instance. 。 You should upgrade the SQL Server 2005 application to use SQL Server 2008. 。 You should upgrade the SQL Server 2005 instance to a SQL Server 2008 instance.&e。
进行穿斗式和抬梁式木构架优缺点的比较。
表面特质
请解释金厢斗底槽？
酶基因克隆的主要操作步骤包括（）
