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You have a VPN server that runs Windows Server 2003 Service Pack 2 (SP2). The VPN server supports only PPTP connections. A firewall protects the VPN server from the Internet. From a remote computer connected to the Internet, you attempt to connect to the VPN server. During the connection attempt, you receive a message that your user name and password are being verified. You then receive the following error message: “Error 721: The remote computer is not responding.”You need to ensure that you can establish a VPN connection to the VPN server from the Internet. What should you do?()
下列为含有B族维生素的辅助因子,例外的是()
男性,44岁,车祸外伤致右股部疼痛剧烈,右下肢不能活动。查体:右股部压痛、肿胀及畸形,右足背动脉搏动可。可明确骨折诊断的表现为()
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我国《义务教育法》规定,国家实行教科书( )制度。
电离层折射造成单频GPS卫星导航仪定位误差主要是在()。
小王正在访问自己计算机上的网页,此时,他自己的计算机是()。
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