水轮机转轮静平衡试验前要作哪些准备工作?
简述浪漫主义的主要特征
汽油之所以具有较大的火灾危险性,其主要因素有哪些?
选址和平面布置对保证生产过程安全卫生占有很重要的地位。化学危险品库、氢氧站、氮氧站、油料库应远离火源,布置在厂区边缘地区及() ["最大频率风向的下风侧","最大频率风向的上风侧","最小频率风向的下风侧","最小频率风向的上风侧"]
You deploy a Windows Server 2008 VPN server behind a firewall. Remote users connect to the VPN by using portable computers that run Windows Vista with the latest service pack. The firewall is configured to allow only secured Web communications. You need to enable remote users to connect as securely as possible. You must achieve this goal without opening any additional ports on the firewall.What should you do?() ["Create an IPsec tunnel.","Create an SSTP VPN connection.","Create a PPTP VPN connection.","Create an L2TP VPN connection."]
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