[单选] our company has a main office and 15 branch offices. The company has a single active directory domain. All servers run windows server 2008.You need to ensure that the VPN connections between the office and the branch offices meet the following requirements:All data must be encrypted by using end-to-end encryption.The vpn connection must use computer-level authentication.User names and passwords cannot be used for authentication.What should do?（）

如果要实现页面上有跳转到页面首行的链接，应通过（）来设置。 锚点链接。 表单。 表格。 外部链接。 按性质划分无形资产可以分为以下内容（）。 非专利技术、其他无形资产。 经营特许权、租赁权、土地使用权。 专利权、著作权。 商标权、商誉。 《医疗器械经营企业许可证》登记事项变更包括质量管理人员、经营范围等的变更。 You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. When you are absent, a user will use a login named Mary to log in and maintain the database snapshots. The user has to delete the database snapshots for DB1, so you have to give the appropriate permissions to the user.  So which database permission should you give the user?（）   DELETE 。 CONTROL 。 DROP DATABASE 。 ALTER ANY DATASPACE。 荀子及《荀子》 our company has a main office and 15 branch offices. The company has a single active directory domain. All servers run windows server 2008.You need to ensure that the VPN connections between the office and the branch offices meet the following requirements:All data must be encrypted by using end-to-end encryption.The vpn connection must use computer-level authentication.User names and passwords cannot be used for authentication.What should do?（）