下列各项表述中，符合我国现行法律规定的是（） 凡是知道案情的人，都有作证的义务。 生理上、精神上有缺陷的人不能作证人。 未成年人的证言不具有法律效力。 亲属间有权拒绝作证。
架空煤气管道与水管、热力管、燃油管、和不燃气体管在同一支柱或桥架上下的垂直距离宜小于（）mm。 250。 500。 750。 1000。
Your network contains a server that runs Windows Server 2008 R2. The server is configured as an enterprise root certification authority （CA）. You have a Web site that uses x.509 certificates for authentication. The Web site is configured to use a many-to-one mapping. You revoke a certificate issued to an external partner. You need to prevent the external partner from accessing the Web site. What should you do（） Run certutil.exe -crl.。 Run certutil.exe -delkey.。 From Active Directory Users and Computers， modify the membership of the IIS_IUSRS group.。 From Active Directory Users and Computers， modify the Contact object for the external partner.。
小区种植鉴定株数一般根据下列哪项来确定？（） 品种纯度标准。 作物种类。 品种类型。 栽培管理条件。
Your company has a main office and 15 branch offices. The company has a single Active Directory domain. All servers run Windows Server 2008 R2.You need to ensure that the VPN connections between the main office and the branch offices meet the following requirements: ¡¤All data must be encrypted by using en-to-end encryption. ¡¤The VPN connection must use compute-level authentication. ¡¤User names and passwords cannot be used for authentication What should you do？（） Configure an IPsec connection to use tunnel mode and preshared key authentication.。 Configure a PPTP connection to use version 2 of the MS-CHAP v2 authentication.。 Configure a L2TP/IPsec connection to use the EAP-TLS authentication.。 Configure a L2TP/IPsec connection to use version 2 of the MS-CHAP v2 authentication.。
特殊情况下的工资有（）。
