Your company has users who connect remotely to the main office through a Windows Server 2008 VPN server.You need to ensure that users cannot access the VPN server remotely from 22：00 to 05：00. What should you do？（） ["Create a network policy for VPN connections. Modify the Day and time restrictions.","Create a network policy for VPN connections. Apply an IP filter to deny access to the corporate network.","Modify the Logon hours for all user objects to specify only the VPN server on the Computer restrictions option.","Modify the Logon Hours for the default domain policy to enable the Force logoff when logon hours expire option."]
易燃易爆设备的操作者应做到“三好、四会”，具体内容是什么？
从事危险品运输、装卸的工人，应每（）进行一次安全教育，每（）进行一次训练和考试。 ["季、年","年、季","季、两年","两季、年"]
Your network consists of an Active Directory domain. The domain controllers run Windows Server 2008 R2. Client computers run Windows 7. You need to implement Encrypting File System （EFS） for all client computers. You want to achieve this goal while meeting the following requirements： èYou must minimize the amount of data that is transferred across the network when a user logs on to or off from a client computer. èUsers must be able to access their EFS certificates on any client computers. èIf a client computer s disk fails， EFS certificates must be accessible What should you do？（） ["Enable credential roaming.","Enable roaming user profiles.","Enable a Data Recovery Agent.","Issue smart cards to all users."]
简述克里斯提尼改革。
计算机语言经历了从（）、汇编语言到高级语言的历程。
