Your network consists of a single Active Directory domain. All domain controllers run Windows Server 2008 R2. The network contains 100 servers and 5,000 client computers. The client computers run either Windows XP Service Pack 1 or Windows 7. You need to plan a VPN solution that meets the following requirements: èStores VPN passwords as encrypted text èSupports Suite B cryptographic algorithms èSupports automatic enrollment of certificates èSupports client computers that are configured as members of a workgroup What should you include in your plan?（） Upgrade the client computers to Windows XP Service Pack 3. Implement a stand-alone certification authority （CA）. Implement an IPsec VPN that uses certificate-based authentication.。 Upgrade the client computers to Windows XP Service Pack 3. Implement an enterprise certification authority （CA） that is based on Windows Server？2008 R2. Implement an IPsec VPN that uses Kerberos authentication.。 Upgrade the client computers to Windows 7. Implement an enterprise certification authority （CA） that is based on Windows Server 2008 R2. Implement an IPsec VPN that uses pre-shared keys.。 Upgrade the client computers to Windows 7. Implement an enterprise certification authority （CA） that is based on Windows Server 2008 R2. Implement an IPsec VPN that uses certificate-based authentication.。
煤矿企业的主要负责人以单位的安全生产工作（）责任。 负全面、。 负部分。 负直接。
Your network contains 100 servers that run Windows Server 2008 R2.A server named Server1 is deployed on the network. Server1 will be used to collect events from the Security event logs of the other servers on the network.You need to define the Custom Event Delivery Optimization settings on Server1.Which tool should you use?（） Event Viewer。 Task Scheduler。 Wecutil。 Wevtutil。
概率分析是（） 可以判定项目风险性大小。 仅使用期望值法进行分析。 无法判断项目风险性的大小。 无法确定各种不确定性因素发生一定幅度变动的概率。
西汉末年刘歆在《七略？诸子略》中，加上农、（）、杂和小说四家进一步把诸子百家分为十家。 A、名家 。 B、阴阳家 。 C、纵横 。 D、道德家。
如果某种股票的β系数等于2，那么（）。
