[单选] You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server connects to the Internet by using a router.You attempt to ping an Internet host and receive the following error message: “Destination host unreachable.”The server’s routing table is configured as shown in the exhibit. (Click the Exhibit button.) You need to ensure that you can access Internet hosts. What should you do?（）

可以不同的格式打开同一个文件。 哪种属于间断控制器（）。 推拉开关。 手柄。 旋纽。 选择旋钮。 图像文件大小用图像的高度和宽度来表示。 You are working with a client to classify the different types of application traffic they will have on their network and to assign a QoS value to each traffic flow. The client has identified the following applications: Internet traffic, Oracle, network-based backups, AOL Instant Messenger, IP routing, voice, and voice signaling. Given these types of applications, how many different classes will need to be configured in QoS?（） 8。 6。 9。 5。 位错的滑移 You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server connects to the Internet by using a router.You attempt to ping an Internet host and receive the following error message: “Destination host unreachable.”The server’s routing table is configured as shown in the exhibit. (Click the Exhibit button.) You need to ensure that you can access Internet hosts. What should you do?（）