Router R1 has been configured with the commands rout er eigrp 9 and network 172.16.2.0 0.0.0.255, with no other current EIGRP configuration. R1's (working) Fa0/0 interface has been configured with IP address 172.16.2.2/26. R1 has found three EIGRP neighbors reachable via interface Fa0/0, including the rou ter with IP address 172.16.2.20. When the engineer attempts to add the neighbor 172.16.2.20 fa0/0 command in EIGRP configuration mode. Which of the following occurs？（） Fa0/0 fails。 The command is rejecteD。 The existing three neighbors fail。 The neighborship with 172.16.2.20 fails and then reestablishes。 None of the other answers is correct。
成本分析的基本方法有哪些？
You have a Windows Server 2008 R2 Hyper-V server with a single network adapter that is connected to a virtual network. The virtual network is configured as External. Virtual machines （VMs） running on the server are not able to communicate with the host server over the network. You need to ensure that VMs running on the server are able to communicate with the host server over the network. In Virtual Network Manager，what should you do？（） Select the Internal only connection type.。 Select the Private virtual machine network connection type.。 Select the Allow management operating system to share this network adapter check box.。 Clear the Allow management operating system to share this network adapter check box.。
You replace the uniprocessor computer in your design department with new MPS-compliant computers. Each computer has two 550-MHz processors. You install design software that includes Win32, Win16, and DOS-based applications. When users use a Win16-based application, they do not notice an improvement in performance compared to using the uniprocessor computers. What should you do? （） Modify the short cut for the Win 16 based application to enable it to use multiple processors. 。 Set the ‘Use multi-processor feature if available for Win 16 applications’ through the accessibility option.。 Replace the Win16-based applications with available Win32-based applications. 。 None of the above options provides a valid solution.。
食物链和食物网概念的意义。
取消启动时的欢迎屏幕是在（）中设置
