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You are the administrator of 20 Windows XP Professional computers. Each computer has one hard disk that has three volumes named C, D, and E. Each volume is 4 GB in size and has approximately 1 GB of available space. The total physical memory of each computer is 196 MB in size. The paging file on each computer is located on drive D. A user named Andrea reports that every day, one hour after she starts her Windows XP Professional computer, the computer appears to perform very slowly for 15 seconds. This always happens after she receives an error message stating that the system is low on virtual memory. You want to improve the performance of Andrea's computer. You do not want to install additional memory.
What should you do?（） 

灰口铸铁焊接时存在哪些问题？ Your companys network environment includes the hypervisors described in the following table.  You manage the Microsoft Hyper-V Server 2008 server by using Microsoft System Center Virtual Machine Manager （VMM） 2008. You need to be able to manage all the hypervisors by using VMM. Which two actions should you perform？（） Upgrade from VMM 2008 to VMM 2008 R2。 Upgrade the VMware ESX 3.0 host servers to VMware ESX 3.5。 Upgrade the VMware ESX 3.0 host servers to VMware ESX 4.0。 Install VMware VirtualCenter 2.5 in the existing VMware ESX environment。 后工作时代的到来是未来职业发展的趋势，后工作时代的特征有（）。 虚似单位出现。 职业出现模糊性。 在哪上班変得不太重要。 很多人将改変工作方式。 毛泽东同志在《论联合政府》中提出的党的三大优良作风是（），这是我们共产党人区别于其他任何政党的显著标志。 理论联系实际。 密切联系群众。 自我批评。 一切从实际出发。 You are the network administrator for your company. The network consists of a single Active Directory domain and two subnets. The network contains a Windows Server 2003 computer named Server2. On Server2， Routing and Remote Access is enabled and is configured as a dial-up server. A Windows Server 2003 computer named Server3 functions as a DHCP server.Server3 is authorized in the domain and leases 192.168.1.0/24 addresses to desktop client computers on the LAN and to Server2 for dial-up user connections. On Thursday， several dial-up users report that they cannot connect to Server2. You open DhcpSrvLog-Thu.log and notice several lines that are partially shown in the following list. You want the dial-up users to have successful connections， and you want to avoid disrupting the LAN.  What should you do？（） Delete the scope and create a new one in the 10.10.0.0 class.。 On Server3， configure the Conflict detection attempts setting to 2.。 For the default Routing and Remote Access Class， create a 051 Lease scope option lease duration that uses a longer lease duration than the LAN.。 Configure a static address pool on Server2 for the dial-up client computers.。

You are the administrator of 20 Windows XP Professional computers. Each computer has one hard disk that has three volumes named C, D, and E. Each volume is 4 GB in size and has approximately 1 GB of available space. The total physical memory of each computer is 196 MB in size. The paging file on each computer is located on drive D. A user named Andrea reports that every day, one hour after she starts her Windows XP Professional computer, the computer appears to perform very slowly for 15 seconds. This always happens after she receives an error message stating that the system is low on virtual memory. You want to improve the performance of Andrea's computer. You do not want to install additional memory.
What should you do?（）