单项选择题 You are the network administrator for your company. The network consists of a single Active Directory domain. The domain contains 25 Windows Server 2003 computers and 6，000 Windows XP Professional computers.The written company security policy states that network traffic to Web servers must be audited on a regular basis. A server named Server1 is configured as a Web server on the company’s intranet. You install Network Monitor Tools from a Windows Server 2003 product CD-ROM on Server1.You run Network Monitor on Server1 for three hours. When you stop the network capture， you see that Network Monitor captured over 40，000 frames. As you look at the captured frames， you notice that an extremely large number of TCP connection requests have all come from the 131.107.0.1 IP address.In Network Monitor， you need to view only the frames for network traffic that are captured between Server1 and the 131.107.0.1 IP address.  What should you do？（）

单项选择题 You are the network administrator for your company. A Windows Server 2003 computer named Router11 is used to connect the network to the Internet. You find out that some computers on the network are infected with a worm， which occasionally sends out traffic to various hosts on the Internet. This traffic always uses a certain source TCP port number.You need to identify which computers are infected with the worm. You need to configure a solution on Router11 that will perform the following two tasks： Detect and identify traffic that is sent by the worm.   Immediately send a notification to a network administrator that the infected computer needs to be repaired.  What should you do？（）

单项选择题 You are the network administrator for Humongous Insurance. The network consists of a single Active Directory domain named humongous.com. The domain contains Windows Server 2003 computers and Windows XP Professional computers. You configure several Group Policy objects （GPOs） to enforce the use of IPSec for certain types of communication between specified computers.   A server named Server2 runs the Telnet service. A GPO is supposed to ensure that all Telnet connections to Server2 are encrypted by using IPSec. However， when you monitor network traffic， you notice that Telnet connections are not being encrypted.You need to view all of the IPSec settings that are applied to Server2 by GPOs. Which tool should you use？（）